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P0171 chevy silverado?
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P0171 chevy silverado?
The 2015 Chevy Silverado has a gross vehicle weight rating, or GVWR, of 9,500 lbs. Rich Mixture = Too much fuel, not enough air. By themselves, these are some of the most common OBD2 codes P0700 Chevrolet Impala. Then check for any vacuum leaks. Today on DIY WILLY, well the check engine light has turned on. The P2271 code refers to the post-catalytic converter oxygen sensor on bank 1, sensor 2. 1999 Chevy Silverado Codes P0327, P0171, and P0174 Okay guys I'm back with the same problem. Chevy Silverado owners should always pay close attention to their vehicles' diagnostics system in order to avoid major issues down the line. Come join the discussion about performance, modifications, classifieds, troubleshooting. p0101, p0171, p0174. Truck will sputter when the temperature outside is above 80, and fuel level below half a tank, in drive or neutral. Jun 17, 2018 · 6 years 3 weeks ago #21492. If no problems are found, more commonly, the sensor will need to be replaced. Chevrolet Silverado 1500: I have lean codes on a 2001 chevy. turn the key again and it might just sound like it. 3 throwing p0131, p0151, p0171, p0174. Advertisement Perhaps the toughe. Se suele decir que el banco 1 está «demasiado pobre», lo que significa que hay demasiado aire y no suficiente combustible en la mezcla aire-combustible. Silverado p0174 p0171 06 chevy intermittent p0171 and p0174 codesP0171 sensor p0174 p0170 oxygen bank lean system too fuel code trim dtc ecu constantly. It's the most common air/fuel mixture-related code. Buenas tardes colegas, tengo una Silverado V6, 4. A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. I got a 2004 chevy avalanche 5. Hello everyone, first time on this forum but my trucks got me stumped. Chevy Silverado: Resetting the Check Engine Light - VehicleHistory Check Details Chevy Cruze Check Engine Light Codes P0171 | Decoratingspecial. Pulled codes and discovered the "lean codes" P0171 and P0174, There was also a transmission related code, which was not unexpected. I looked at the IPB and it shows 4 sonsors on bank 1. Chevy Silverado P0171 and P0174 Trouble Codes | Drivetrain Resource Fixing a Code P0174 on a 2002 Chevrolet Silverado with Ron Bilyeu - YouTube 2003 Chevy Silverado Intake P0171 P0174 P0332 - YouTube Trouble Code - P0171, P0174. Learn more about this Chevy. Repairing a vacuum leak. This DTC determines if the O2 sensor circuit is shorted to low. P0172: System too Rich (Bank 1) P0175: System too Rich (Bank 2) And this is the feeze frame data. Never seen this cause a lean condition. Advertisement The Chevrolet Nova wa. The 2015 Chevy Silverado 1500 Texas Edition package is available on all LT and LTZ models and adds 20-inch wheels, a locking rear differential, a trailering package and Texas Editi. Symptoms you may experience with a P0174 trouble code include rough idle, hesitation on acceleration, misfire, or overall poor engine. The computer will still adjust the air/fuel mixture to compensate. Advertisement The 1964-1967 Che. If your Silverado has only one cylinder head. This means there is too much air or not enough fuel in the fuel/air mixture. Many aftermarket stereos, on the other hand, have auxiliary inputs, iPod control. Check Details How To Fix - Chevy Silverado P0171 Trouble Code - My Pro Street P0120 Code: Throttle/Pedal Position Sensor "A" Circuit - In The Garage 2004 Sandstone Metallic Chevrolet Silverado 1500 Z71 Extended Cab 4x4 P1516 - Throttle Actuator Control Module / Throttle Actuator Position Not sure if this is the right place for this but here it goes, Okay so these are the codes im getting. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. P2270 is a generic OBD-II code that appears with many manufacturers. Here is what I have done since Aug. Chevy Silverado with p0172 and p0175 codes Chevy Silverado with p0172 and p0175 codes. 2013 Silverado 1500 LT, Z71, 5. Mar 1, 2024 · Hello, 2004, 2500HD, 6. There are many problems that can result in a Chevy Silverado's failure to start, making d. P0171 and P0174 after switching fuel A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. The P0171 engine code is serious—it means that your engine is running too lean in bank 1. Bank 2's long term values are not far. the subject vehicle is a 2006 Chevy Equinox equipped with the 3 Also shown, a 20. Chevy Silverado and GMC Sierra Forum4M posts 188. If it goes bad (or if the fuel pressure really is out of the normal range) P0191 can and will appear. 2001 Chevrolet Silverado RWD 4. to/2QmNBri Check out our Amazon Store for t. To diagnose the P0171 2014 Chevrolet Silverado code, it typically requires 1 The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. Dec 3, 2016 · 4 posts · Joined 2017 P0171 and p0174 are left side and right side lean codes. Unraveling the root causes and devising a strategic approach towards. I have a 1999 chevy truck with a rebuilt engine 4 Engine light coming on for awhile and then going off for awhile. A bad O2 sensor will show a lean mixture more often, though. 3 throwing p0131, p0151, p0171, p0174. This code indicates that there is a problem with your truck's Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. 0L, 4X4 with 131,000 miles all original no after market modes. When it arrives, the battery-electric sports. 0L, 4X4 with 131,000 miles all original no after market modes. Any help or ideas would be much appreciated. 3 fault code p0171,p0300,p02096 - Answered by a verified Chevy Mechanic Chevrolet Silverado 1500: 2004 silverado 5 2004 silverado 5. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Silverado’s engine is running lean. 1999 CHEVROLET SILVERADO 2WD 371,000 MILES. 3 L codes are p0171 and c0561, truck is running ok also set lean bank 1 and 2 codes, 0171 is throttle pedal sensor code, can this be the reason the reason for the t … read more This includes the P0171 and P0300. If it comes back higher than that, the P0113 trouble code gets set in the computer. Also had a code come for … read more Lead Technician/ now retired Chevrolet Silverado 1500: I have a 2002 Chevy Silverado and 2003 chevy silverado 1500: p0171mass air flowspark plugs. P0171: From the Service Manual. Brian Eslick from How to Automotive http://wwwcom takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and. Repairs made= New fuel pump - replaced fuel pressure regulator (FPR) - cleaned the mass air flow sensor ( MAF. P0171 code. Nov 22, 2018 · Oxygen Sensor – The P0175 code is thrown when the B2S1 O2 sensor does not register the right amount of oxygen in the exhaust. If you want to test then see the instructions below 1. May 22, 2010 · Chevy Mechanic: ironmike. my truck is throwing p0171 and po174 codes I did a smoke test on the vacuum lines and on the exhaust and no leaks. A diagnostic test would have to be ran to find the exact cause, which can cost between $90 to $115. Was having an issue with an oil leak from my valve cover and noticed at the same time that I have change engine codes P0171 and P0174. With its 1950s styling, the 1957 Chevy is a timeless car. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!. After running for a while and idling, randomly, the truck will experience a rough idle during which short term fuel trims will spike. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!. oriellys san diego I was all of a sudden getting 8mpg city and 10mpg on the interstate babying it. Almost always this is the brake pedal switch for the brakes, a poor contact in there causes this code with is the brake switch cruise contacts. P0171and p0174 codes chevy vortec engine. I'm running a Bully Dog GT Gas tuner and KN CAI (recently added and code started shortly after). Come join the discussion about performance, modifications, classifieds, troubleshooting. I cleared the codes and drove it to an emissions. I cleared the codes and drove it to an emissions. Customer Complaint: This 2019 Chevrolet Traverse with a 3. LEER SOLUCIÓN DEL CÓD. P0300,p0171,174. I just looked online and it says to try cleaning the maf sensor. Misfire silverado P0300 random/multiple cylinder misfire,due to low compression p0171 2015 silverado misfire. Low Fuel Pressure (possible plugged/dirty fuel filter!) Exhaust Leak between Engine and first Oxygen Sensor. Stall/sputter @ idle, especially if started with the remote start. P0302 in the Chevy Silverado is a common OBD II trouble code. Replacing the fuel filter. sensor and low circuit voltage. Locate the MAF sensor 1 on the passenger side of the vehicle; it will be on the pipe leading from the air. miss b nasty erome Buenas tardes colegas, tengo una Silverado V6, 4. Check Details P0171 p0174 p0430 chevy. Some of the vacuum leak check points are the molded hose that comes up from the rear of the valve cover into the intake, as Al mentioned the feed into the TB. P0137 Causes: Chevy Silverado. It's your vehicle's Power Control Module (PCM) notifying you that your engine is running too lean in bank 1. This is known as the downstream oxygen sensor. Codigo de Falla P0171 Y P0174. I have replaced the maf sensor, had a smoke test performed, no leaks detected, has the intake gaskets replaced installed a new ecm (also had code P0606) I monitor long trim bank 1 and 2 and when I first start up trims are over 29. Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. Fix code p0441 p0442 engine light on chevy, chevrolet, gmc, buick. About 1-2 days later I got the above codes. There was a FAINT trace of white smoke coming out, but I emphasize faint because this looks nromal to me. In this context, "lean" refers to a condition where there is too much air relative to fuel. Share. In traditional V-shaped engines, the 2-4 cylinders (depending on whether it is a V4 or V8, etc. I would check for vacuum leaks on the drivers side of the engine. It has random misfires on all cylinders when idling, and the check engine light starts flashing when I get around 2 I already replaced the mass air flow sensor and checked for vacuum leaks on the intake. I've changed the valve by tank the valve on the top of the motor PVC valve plugs wires What are the meaning for engine codes (for a 2006 Chevy Silverado 5. GM issued a TSB #05-06-04-029A for this problem. So, gear up, fellow auto-enthusiast - the journey into the intricacies of the Chevrolet Silverado awaits! By gaining the capacity to identify the P0101 code symptoms in your Chevy Silverado, you can prevent further damage and save money and time on unnecessary repairs. truck stalled and lost all engine power Saturday. The O2 sensors will have a high positive fuel trim (vacuum leak) and they will shoot up from low mV to maybe 800 mV (when spraying intake) and the fuel pump is a possibilty. A lean code or codes suggest that there surely is too-much air in the exhaust. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. ametur allure Chevy Silverado P0405 Code: Q&A on. Most of the time, this happens due to faulty or dirty mass. IT held him to start with the easy and less expensive repair. When mine was analyzed by my Chevy dealer, I had the same codes: P0171/174/300, and they found a leaking manifold gasket between cylinders 3 and 5. P0171 p0174 lean 3l gm causes codes trouble **codes po171 & po174 picking my truck up from the dealer and i need P0300 misfire chevy random 2007 cylinder multiple silverado P0171 p0174 bank diagnosingP0171, p0174 gm vehicles — ricks free auto repair advice ricks free Po171 3l silverado chevyP0171 malibu. Computer codes = P0174 Bank 2, P0171 Bank 1. P0171 is triggered by the engine bank 1 “upstream” oxygen sensor and P0174 is triggered by the engine bank 2 “upstream” oxygen sensor. The P0134 code stands for "Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) It's logged when the powertrain control module (PCM) detects inactivity from the upstream oxygen sensor on Bank 1. There are also some less likely problems that can cause P0138. A detailed video showing you how to diagnose trouble codes P1133 Heated Oxygen Sensor Insufficient Switching Bank 1 Sen. It is common for most auto repair shops to charge between $75 and $150 per hour. Jul 23, 2023 · To diagnose the P0171 2014 Chevrolet Silverado code, it typically requires 1 The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. I have a 99 Silverado and am getting diagnostic codes of: P0171, P0101, P0131, P0137, P0157, P0174, AND P0300 2011 chevy silverado 4.
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Nipping on the heels of the Silverado is the subcompact Sonic, another Bow Tie model with very high occurrence ratings. 3 L V6 Code P0171 P0174 P0300 The symptom is, when the engine starts, but it won't last - Answered by a verified Chevy Mechanic. We have 80 cars for sale listed as: chevrolet captiva england, from £1,995 Post your ad; Favourites; Login; Trovit Captiva. These codes are set by the car's computer when it sees too much oxygen in the exhaust. Grab and shake it so you can feel if anything is loose. Check Details Check Details Check Details When you have a moment, make an introductory post to tell us a bit about yourself and also a pic of your truck. Chevy Silverado P0405 Code: Q&A on. Come join the discussion about performance, modifications, classifieds. SYMPTOMS: Check engine light. Vehicle VIN: 2GCEK19T811385297. Current Fault Log ------------------. Drivers side plugs black and sooty, passenger side clean Sprayed intake with water bottle no change. It indicates that your truck's second cylinder has a misfire. The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code. Air Intake Hose: Find the air intake hose that connects to the engine. I have a new body style 2007 GMC sierra vortec max and recently have been getting P0171/P0174 lean conditions in bank 1 and bank 2 and I cant figure it out. Vortec 5300 5 Throttle body replacement then P0171 and P0174 Just purchased a 2018 chevrolet duramax only 40k miles. The P0171 code could also be caused may be caused by one. P0171 is a lean code bank 1 and the P0300 is a random misfire. com) keith November 14, 2021, 1:33am 10 Chevrolet Silverado (Mass Air Flow Sensor) MAF is becoming the most common issues on vehicles now and days. Truck has 186,000 miles. beatiful women masturbating 3 fault code p0171,p0300,p02096 - Answered by a verified Chevy Mechanic Chevrolet Silverado 1500: 2004 silverado 5 2004 silverado 5. Chevy Silverado P0171 Trouble Code - My Pro Street Diagnosing Trouble Codes P0171 and P0174. Most of the time, this happens due to faulty or dirty mass. Married a Springdale. Chevy express p0440: evaporative emission control system malfunction. I replaced intake manifold gasket and cleaned MAF. Scanned it and got P0171 and P0174, bank 1 and bank 2 Lean Codes. There are also some less likely problems that can cause P0138. Malfunctioning furl injectors. I've cleaned out the MAF several times, checked the plug wires and coils, check hoses and lines and can't seem to find. 0L are prone to this issue. This code can be cause by a bad transmission control module which can cost between. By themselves, these are some of the most common OBD2 codes. There are many problems that can result in a Chevy Silverado's failure to start, making d. You may need to remove the tailgate from your Chevrolet Silverado to install a new one; you may also need additional bed space. 2016 silverado 1500 5. 9K members Chevy silverado p0171 and p0174 trouble codesP0174 p0171 p0430 lean P0171 p0174 sierra silverado, my fixP0174 silverado p0171 sierra. 2pm uk time That is RIDICULOUS, Cheryl 11170 posts · Joined 2008 try disconnecting the battery for about 1 minute then plug back in. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. Chevy p0171 silverado 2003 p0174 Chevy silverado p0171 and p0174 trouble codes How to diagnose code p0171-p0174 on a chevy silverado 2500 hd. I got the truck to start and at least idle. 245 posts · Joined 2014 Just got the following codes off my truck when the CEL came on: P0101, P0171, P0174, P0327. Called on star and they did their checks and told me it was P0171 and P0174. The cover's primary purpose is to protect the many components within the cover, such as the ignition sw. I'm getting P0300 code at idle. Is it running super lean and misfiring, or is the o2 sensor thinks its so lean it's dumping a ton of fuel in. How to Diagnose Code P0171-P0174 on a Chevy Silverado 2500 HD - YouTube. Malfunctioning furl injectors. How to fix lean code on 4. On Monday, I called the dealership (remember, 3 1/2 hours away) who informed me the problem was emissions related and NOT under warranty. The signal should INCREASE (more voltage) as the engine load increases. sks hay ayrany The 2015 Chevy Silverado 1500 Texas Edition package is available on all LT and LTZ models and adds 20-inch wheels, a locking rear differential, a trailering package and Texas Editi. 8 codigo p0121 sensor del tps Throttle p0121 pedal carparts Silverado chevy p0121 code p0442 p0171 p0304 misfire trouble common relatively obdii somewhat has do See more Fix Repair Hablamos sobre el codigo dtc de falla p0171 causas, sintomas en el motor y solucion. Sources:"History of Britain and Ireland" (2012) by R Grant, Ann Kay, Michael Kerrigan, Philip Parker. 3 and it gives me two codes for p0171 and p0174, and if you unplug the mass air flow it runs fine, so I replaced the mass air flow drove it around seem to drive fine 2007 NNBS Chevrolet Silverado 1500 LTZ Z71 4x4 Vortec Max, 6. 0L Just change my MAF sensor because I was getting P0171 & P0174 Now my truck has a lack of power and it studders while gradually accelerating,. 6LTurbo Diesel (L5P) Silverado 1500. The ECM monitors the Heated Oxygen Sensor (HO2S) signal voltage and adjusts the fuel delivery based on the signal voltage while in Closed Loop. Advertisement The Chevrolet Malibu. You can't get anything right now. It's a 2008 chevy silverado, 4 Online - Answered by a verified Chevy Mechanic. The P0171 states the fuel-air mixture is "lean". Why? Because the Silverado is ranked in third place on the US News site. 0L LM2 Tahoe 2021 2021 3. Spits and sputters, Essentially undriveable. Some symptoms to look out for are an illuminated check engine light. the problem is that when you turn the key to start it turns.
the gaskets are the most common. Two of the codes were P0171 and P0174. A fairly common code on these engines. I have lean codes on a 2001 chevy silverado motor is the 4. newdetroit craigslist cash jobs The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. 3L V6 1500 and drove it home, was talking to family and let it idle a bit then got a p0430 code. It indicates that the Silverado has a lean condition. Open the hood after turning off the engine and removing the ignition key from its switch. yourangelmalina After a week of owning it, it through a code p0191 for fuel rail pressure low 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights Chevrolet Silverado 1500 (New Model) 2019 2019 Equipped with 53L L84, 63L LV3, 20L LM2 Silverado 1500 2020 2021 Suburban 2021 2021 3. the gaskets are the most common. P0171 silverado mass flowP0171 chevy silverado diagnosis and explanation Silverado p0174 p0171 codes troubleSilverado p0171 p1258 ect fix prostreetonline. If the problem persist the front oxygen (O2) sensor may need to be replaced. I confirmed with the c. How To Fix - Chevy Silverado P0171 Trouble Code - My Pro Street. A failure counter increments if the stuck EGR valve condition is still present. shadbase pojemon lets get that replaced and recheck the violet wire for power. 0L LM2 Tahoe 2021 2022 3. blackerado · Registered. Chevy Silverado and GMC Sierra Forum4M posts 188. This can be caused by a number of different things, but the most common cause is a vacuum leak. OBD II fault code P0719 is defined as "Torque Converter/Brake Switch B Circuit Low" ( circuit current lower than expected/required], and is set when the Powertrain Control Module detects an abnormal voltage or resistance in the "B" circuit of the brake light switch. 3L V6 1500 and drove it home, was talking to family and let it idle a bit then got a p0430 code. The code is specific to vehicles such as GM, Toyota, Buick, Chevrolet, Isuzu, GMC, etc.
The service engine soon light, commonly referred to as the check engine light, on a 2000 Chevy Silverado, or any vehicle, can have a number of meanings depending on the issue As of 2015, the towing capacity of a Chevrolet Silverado 1500 is rated up to 12,000 pounds, depending on the model and configuration of the truck. If your vehicle logs a P0192 code, it means that the powertrain control module (PCM) has detected a problem with the fuel rail pressure sensor. We have 80 cars for sale listed as: chevrolet captiva england, from £1,995 Post your ad; Favourites; Login; Trovit Captiva. The following diagnosis might be helpful if the vehicle exhibits the described symptoms. Webasto moonroof, Lew tune, Michelin Defender LTX, 2" level A few other goodies. For example, part number 12668390 highlighted in the table. 1999 Chevy Silverado Codes P0327, P0171, and P0174 Okay guys I'm back with the same problem. Jump to Latest Follow. In this video I dove into a 2014 Chevy Express with the 5. Additional side note: I used AC-Delco sensors. P0171 silverado mass flowP0171 chevy silverado diagnosis and explanation Silverado p0174 p0171 codes troubleSilverado p0171 p1258 ect fix prostreetonline. It runs rough and shifting from 1-2 is hard. Bank 1 is the engine bank that holds the spark plugs for cylinders 1, 3, and 5 (V6 4 Cylinders 1, 3, 5, and 7 (V8 57L). Chevy silverado p0332 code knock sensor located wherePartsavatar. I checked the air filter when I got home and it looked clean. In this context, "lean" refers to a condition where there is too much air relative to fuel. Share. Nov 17, 2012 · 1st thing I did was to remove the fuel pump relay then start the truck, let it run till it stalls. And p0171 meansBasically this means that an oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust) but sience yesterday that i cleaned the spark plugs the only code that show is the p0300 2000 Chevy Silverado 1500 (300,000km, and second motor) 4. poornhub okay good! then lets clear the codes and give it a test drive. The rich condition can be caused by a vacuum leak, which introduces more air into the air-fuel mixture, or. It is supposed to be 55-62 psi. Ignition OFF, disconnect the stop lamp switch. I would start here with verifying the fuel pressure and if it checks okay. Oxygen Sensor. Check Details When the P0171 code sets, the oxygen sensors are detecting too little oxygen in the exhaust (running "lean") and the control module is adding more fuel than normal to sustain the proper air/fuel mixture. The fuel pressure is still low 50 with a new pump. Diagnostic trouble code (DTC) P0174 stands for "System Too Lean (Cylinder Bank 2) Your vehicle's powertrain control module (PCM) will log this trouble code if it detects a lean running condition in the engine's cylinder bank 2. After the first time, I cleaned the MAF sensor—would still throw the P0171 on. truck stalled and lost all engine power Saturday. I have three codes that are coming up. Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. Please Subscribe - https://bit. breaker panel 200 amp 3 hi i have codes p0171 p0174 and p0300. these two codes are for bank 1 and bank 2 being in a lean condition. 0L Diesel (LUZ) Cruze 2018 2019 1. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!. Used a code reader and got codes P0101 MAF Sensor Performance, P0171 Fuel Trim System Lean Bank 1, P0174 Fuel Trim System Lean Bank 2, and P0300 Engine Misfire Detected. 3L - P0131, P0138, P0171, P0300, P1133 = intermittent P0300 miss on 1,3,5,7 bank only. Greetings viewers. Here are the most common issues that cause the P0137 code in the Chevy Silverado. To the left is the part number that will need to be order. Rich Mixture = Too much fuel, not enough air. This is the maximum operating weight as specified by the manufacturer. El mantenimiento regular y las inspecciones oportunas pueden ayudar a prevenir la aparición de códigos de falla P0171 en los vehículos Chevy En conclusión, el código de falla P0171 en vehículos Chevrolet indica un problema con el sistema de inyección de combustible demasiado bajo en el banco 1. 3 with the codes P0171, P0174, P0420. How to fix - chevy silverado p0171 trouble codeSparky's answers. to/2pul9poReplacing and cleaning the Mass Airflow Sensor on my Chevy Silverado. Luckily, after clearing the code, it got ready just long enough to pass inspection. You either have a vaccum leak or lack of fuel throwing off your mixture settings your maf sensor can have something to do with this but throwing a fuel pressure gauge on when ts running might some some problems. I reset it then next day I let it idle again for a little and now I see p0430, p0171 and p0174. Revised August 14, 2019- Added 2019 and 2020 Silverado HD Models. Nov 26, 2019 · Your Silverado isn’t running right, and to make things worse the check engine light is brightly lit up on your Chevy instrument cluster. To diagnose the P0171 2014 Chevrolet Silverado code, it typically requires 1 The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type.