What causes the p0171 code on a Pontiac?

The P0171 code could also be caused may be caused by one or more of the following: debris on MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure or Engine Control Temperature (ECT) Sensor reading inaccurate. There is a factory service bulletin for the following Pontiac models: 2000-2001 Pontiac Transport

What causes a p0171 fuel trim system Lean Bank 1?

If the problem persists the front oxygen (O2) sensor may need to be replaced. The P0171 code could also be caused may be caused by one or more of the following: debris on MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure or Engine Control Temperature (ECT) Sensor reading inaccurate.

What does lean Bank 1 on a Pontiac mean?

P0171 PONTIAC Fuel Trim System Lean Bank 1: Code Meaning, Causes, Symptoms, & Tech Notes P0171 PONTIAC | Fuel Trim System Lean Bank 1 | The Engine Control Module (ECM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and

What does p0171 mean in a lean mixture?

This lean mixture can either be short term or long term. If the lean mixture is a short term one, it means that the fuel mixture is usually very lean. Otherwise, for long-term lean mixture, the code p0171 is registered according to an indication of the lean mixture through time.

What does the OBDII trouble code p0171 mean?

The OBDII trouble code P0171 – System Too Lean (Bank 1)means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. Driving a car with the code P0171 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher.

How much does it cost to repair a p0171 Pontiac?

The cost of diagnosing the P0171 PONTIAC code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. When is the code detected? – Fuel injection system does not operate properly.

What’s the problem with Nissan Maxima code p0171?

A Nissan TSB for Nissan Maxima dated March 2004 mentions replacing an air/fuel sensor as a solution for the code P0171. Another Ford TSB for a number of late 90-s Ford vehicles describes a problem with MAF sensor contamination where both codes, P0171 and P0174 would appear together.

What causes the code p0171 on 2002 Toyota Corolla?

Q: What could cause the code P0171 on 2002 Toyota Corolla? A: In the 2002 Corolla, the code P0171 is often caused by a bad or dirty mass airflow sensor or vacuum leaks. Your mechanic can check for vacuum leaks and test the mass airflow sensor with a scan tool.

When does the front O2 sensor Register p0171?

P0171 is triggered when the front O2 sensors recognize a lean mixture. It can both be a short-term lean mixture or a long-term lean mixture. If it’s a short-term lean mixture the fuel mixture is often very lean. If it’s a long-term mixture, it can register the code because of a small notice of lean mixture over time.

Can a faulty MAF sensor cause a p0171 code?

If you start replacing MAF sensors, O2 sensors, etc., you will probably spend a lot of money without results. A faulty O2 sensor is not a very common cause of the P0171 code, even if many people start to replace it directly when they see this code. Diagnosing the P0171 code is easy if you have the right tools to do it.

What causes a Pontiac fuel trim system p0171 code?

The P0171 code could also be caused may be caused by one or more of the following: debris on the MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure, or Engine Control Temperature (ECT) Sensor reading inaccurate. The cost of diagnosing the P0171 PONTIAC code is 1.0 hour of labor.

What does the p0171 code in front oxygen sensor mean?

If the P0171 is combined with the P0174 code, it’s very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If the problem persists the front oxygen (O2) sensor may need to be replaced.

If the problem persists the front oxygen (O2) sensor may need to be replaced. The P0171 code could also be caused may be caused by one or more of the following: debris on the MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure, or Engine Control Temperature (ECT) Sensor reading inaccurate.

What does DTC code p0141 stand for?

Code P0141 occurs when the powertrain control module tests the downstream heated oxygen sensor’s heater circuit on Bank 1 and detects a short in the circuit or excessive resistance in the heater circuit. This Diagnostic Trouble Code (DTC) does not need to be attended to immediately, but this DTC could result in more costly repairs in the future.

How much does it cost to diagnose Pontiac p0171 code?

The cost of diagnosing the P0171 PONTIAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0171 PONTIAC code detected? – Fuel injection system does not operate properly.

What causes the p0171 code on a Pontiac Vibe?

Vacuum Leaks – With the Pontiac Vibe, one of the most common cause for the P0171 code to show is a vacuum leak. Take a look around and see if you can find the vacuum leak. Here’s a great YouTube video on how to find a vacuum leak.

What does the code p0171 stand for?

It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. P0171 is an OBDII trouble code. The code technically stands for: The code is thrown when the oxygen sensors detect that there’s not enough oxygen in the exhaust system. This is commonly referred to as a “lean” condition.

What is the OBDII code on a Pontiac Vibe?

One of the most common trouble codes with the Pontiac Vibe is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. P0171: Fuel Trim System Lean Bank 1. P0171 is an OBDII trouble code.

How to repair fault code p0171 and reset warning light?

How to repair fault code P0171 and reset warning light Toyota Corolla VVT-i. Years 2000 to 2019 – YouTube If playback doesn’t begin shortly, try restarting your device.

What does the p0136 code on bank 1 mean?

Essentially the same as P0137, a P0136 code refers to the second oxygen sensor on Bank 1. The O2 oxygen sensor produces a voltage between 0.1 V and 0.9 V. The ECM monitors O2 sensor voltage and determines if exhaust is lean or rich. O2 sensor voltage is high when exhaust is rich and low when exhaust is lean.

When to use fault codes p0171 and P 0174?

When the adjustments become too large to maintain the proper mixture, the fault codes P0171 and P0174 are logged. They are logged together, since in V8 and V6 (and more rarely in some 4-cylinder and straight 6-cylinder cars) the cylinders are split into two separate groups, or banks. 1. Vacuum Leaks

What causes the p0171 code on a Pontiac TranSport?

The P0171 code could also be caused may be caused by one or more of the following: debris on the MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure, or Engine Control Temperature (ECT) Sensor reading inaccurate. There are Factory Service Bulletin for the following Pontiac models: 2000-2001 Pontiac Transport

Why is my MAF sensor sending out a p0171 code?

How to Fix P0171 and P0174 While inspecting the intake boot thoroughly, another option is to stop at the MAF sensor itself. MAF sensors can get dirty or oiled and send out a false signal, but usually this is also indicated by a MAF trouble code as well.

Where can I get Pontiac Grand Prix parts?

All available coupons will be applied automatically in your shopping cart! Want to see our other cool Pontiac Grand Prix pictures? Click here. Want to see your car here? Send us pictures! At Andy’s Auto Sport, we carry a huge selection of Pontiac Grand Prix parts.

What does aftermarket mean for a Pontiac Grand Prix?

“Aftermarket” is a term used to describe parts that are not made by the factory. So for example, for your Pontiac Grand Prix, if you buy parts for your car that are not actually made by Pontiac, then those are termed “aftermarket”.

What are the parts for a Pontiac Grand Prix?

With a supercharged V6 and plenty of horsepower hidden in their engines, these sedans offer you the best of every world – luxury, style and power. PartsForYourCar has a whole section dedicated to offering you the best Pontiac Gr …read more

Is there a remote control for a Pontiac Grand Prix?

The QTEC Remote Control system is the perfect solution if space is at a premium or if you just want to go high tech. The transmitter is no more >> Choose from manual or remote controlled (motorized) version.

What to do with a 1997 Pontiac Grand Prix?

PFYC.com offers several levels of protection and coverage for your 1997-2003 Grand Prix. These are custom fit covers specifically designed a more >> The Pulley Boys Supercharger Pulley is the highest quality, best engineered aftermarket pulley available. Add more boost and horsepower wit more >>

What is the trouble code on a Pontiac Grand Prix?

One of the most common trouble codes with the Pontiac Grand Prix is the P0446 code. This trouble code references a number that is given to you when you plug your Grand Prix into a OBDII scanner.

What to do if your Grand Prix has p0446 code?

Here are the most common Grand Prix P0446 fixes: Of all the items listed above, it would be wise to start with the gas cap and work your way to the fuel tank, since the gas cap is far and away the easiest and least expensive items to replace on here. Here’s a great video on how to test your gas cap.

What does p0171 system too lean Bank 1 mean?

P0171 System Too Lean Bank 1 Technical Description. System Too Lean (Bank 1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model.

What does Bank 1 on a Toyota engine mean?

So this engine code article applies to Toyota, Chevrolet, Ford, Nissan, Honda, GMC, Dodge, etc. Basically this means that an oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. The P0171 is one of the more common trouble codes.

What does the P0300 code on a Pontiac mean?

The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are commonly caused by multi-cylinder misfiring.

What causes a Nissan P0300 to misfire?

Check for loose connectors at the ignition coils or for damaged wiring. Look for loose engine ground wires as well. These can cause random misfire conditions. Tighten or connect where necessary. Check the condition of your spark plugs and spark plug wires. Worn and old spark plug wires are common causes of random misfires.

What causes a p0335 check engine light to misfire?

Symptoms may include: Vehicle may not start (see above) Vehicle may run rough or misfire A P0335 “check engine light” code could be caused by: Damaged CKP sensor connector Damaged reluctor ring (missing teeth or not turning due to sheared-off keyway) Sensor output shorted to ground Sensor output shorted to voltage

What does p0303 mean on cylinder number 3?

Commonly associated with codes: P0300 What Does P0303 Mean? P0303 indicates that cylinder number 3 is experiencing misfires. A misfire occurs when an insufficient amount of fuel is burning in a cylinder.

What causes a misfire in a Ford P0300?

Low fuel pressure can cause intermittent misfires on multiple cylinders. When the pressure is below the specification, the engine does not receive the proper amount of fuel and will start to lean misfire. The fuel pump or fuel pressure regulator could be the source of the low fuel pressure.

How can I tell if my car has a P0300 code?

Use FIXD to scan your vehicle to verify P0300 is the only code present. If other codes are present, they must be addressed first. Check for loose connectors at the ignition coils or for damaged wiring. Look for loose engine ground wires as well.

What are the symptoms of a p0171 leak?

What Is The Cause Of P0171? 1 Dirty or faulty mass airflow sensor 2 Vacuum leaks – PCV hoses, vacuum hoses, intake manifold gasket. 3 Weak fuel pump 4 Clogged or dirty fuel injectors 5 Clogged fuel filter 6 Exhaust leak 7 Faulty oxygen sensor 8 Faulty air-fuel ratio sensor

How much does it cost to fix Pontiac p0171 code?

The cost of diagnosing the P0171 PONTIAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P0171 PONTIAC code detected? – Fuel injection system does not operate properly.

What does code p0171-system too lean mean?

Code P0171 – System Too Lean: Symptoms, causes, common problems, diagnostic. The OBDII trouble code P0171 – System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel.

What causes the p0171 code on a Ford TSB?

Another Ford TSB for a number of late 90-s Ford vehicles describes a problem with MAF sensor contamination where both codes, P0171 and P0174 would appear together. Problems with the mass air flow (MAF) sensor causing the code P0171 are fairly common in many vehicles.

Navigation