Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The P code may set when replacing the fuel filter, AutoCodes. What does this mean? The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type.

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P Chevrolet Description The fuel tank pressure sensor responds to changes in fuel tank pressure. Vacuum is consider negative pressure. The information supplied by the fuel tank pressure sensor to the Engine Control Module ECM is used in order to detect vacuum decay or an excessive vacuum during the EVAP diagnostic routine. The fuel tank pressure sensor signal voltage to VCM varies from a minimum of about 0. Get Access to Factory Service Manuals. Need more help?

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Get the P Chevrolet code diagnosed by a professional: Find a repair shop in your area. Related Information. Leave a comment below or tell us if the information above help you fix the code.

What are the symptoms on your vehicle for the P Chevrolet code?

P0597 CHEVROLET - Thermostat Heater Control Circuit Open

Have you replaced any parts? Any information is appreciated. Repair Importance Level: 1. Why is the Engine Light ON? Home - About AutoCodes. Posted and Edit by AutoCodes.Visually inspect the related wiring harness and connectors.

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Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. P CHEVROLET Tech Notes As the code description implies the P code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly is not as efficient as the factory is expecting.

Replacing the oxygen O2 sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P code is combined with other codes, try fixing the other codes first. What does this mean? The auto repair labor rates vary widely across the country, and even within the same city. This indicates that the three-way catalytic converters oxygen storage capacity is below a threshold considered acceptable.

p0455 chevy sonic

The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide.

The catalyst also reduces NOx, converting it to Nitrogen. Bank 1 HO2S 2, located in the exhaust stream past the three-way catalytic converter, produces an output signal which indicates the oxygen storage capacity of the catalyst. This determines the catalysts ability to convert exhaust emissions effectively. Get Access to Factory Service Manuals. Related Information. Repair Importance Level: 2. Why is the Engine Light ON?User Name Remember Me? Cel: P?

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Share Share this post on Digg Del. I had this problem with a Suburban and had to replace the gas cap. Just the gas cap? That's it?

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That seems horribly simple. Lol jk. Well I'm giving the dealer on more shot. If they don't fix it, I'll get a new gas cap. Thanks bud. I work for a Chevy dealership. If you have any issues with the forum or a question for me, about the forum or otherwise, feel free to email or text me for a quicker response: ESmit feldmanauto. I understand that you will be taking your vehicle to the dealership for this.

Please let us know if you would like for us to contact your dealer on your behalf and discuss your concern further with them. Feel free to send us a private message with your full contact information, VIN, current mileage, and dealership name if the assistance is needed. We will be happy to help! Kristen A. Chevrolet Customer Care.

So I talked to the dealer a little bit ago and the Service Adviser think that it could be the fuel tank. Might be time to try another dealer.

A large evap leak is easily found by doing a smoke test. After the second time you went back they should have done something other than basically tell you that you don't know how to work a gas cap.

I agree. And I did go to a different dealer. First dealer is in the town I live in.

P0480 CHEVROLET - Cooling Fan Relay Control Circuit

The second dealer is in the next town over. According to dealer 2, dealer 1 only logged my first visit into the gm warranty database. Dealer 2 did a pressure test and found that the gas cap was in fact the problem. The gad cap was cracked. That kinda worries me seeing that it can only go so tight and it's got a leash preventing it from dropping. Either way though, dealer 2 replaced the gas cap and hopefully that will be the end of this issue.

Thank you to all of you who chimed in. This is true.Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. What does this mean? The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. The P is triggered when there is an open or short thermostat heather control circuit.

The engine coolant thermostat heater controls coolant flow and regulates the engine operating temperature. The ECM supplies 12 V to the thermostat.

p0455 chevy sonic

The ECM controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver. The driver is equipped with a feedback circuit that is pulled-up to a voltage. The ECM can determine if the control circuit is open, shorted to ground, or shorted to a voltage by monitoring the feedback voltage.

Get Access to Factory Service Manuals. Need more help? Get the P Chevrolet code diagnosed by a professional: Find a repair shop in your area. Related Information. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P Chevrolet code? Have you replaced any parts? Any information is appreciated. Repair Importance Level: 3. Why is the Engine Light ON? Home - About AutoCodes. Posted and Edit by AutoCodes.Share Share this post on Digg Del.

p0455 chevy sonic

Last edited by mckeesa; at AM. P could be the vent control valve, which has like a spring in it that gets stuck. It happen with my wife's Nissan rogue before.

Luv2xlr8 Thank you for your input, I'll take a look. Hopefully it is accessible without dropping fuel tank. Originally Posted by mckeesa.

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Thread Tools. BB code is On. Smilies are On. Trackbacks are On. Pingbacks are On. Refbacks are On. Forum Rules. All times are GMT. The time now is AM. Add Thread to del. User Name. Remember Me? My Posts. Garage Garage.The Evaporative Emission Control EVAP System seals the fuel system of the vehicle in order to prevent fuel vapors from the fuel tank and fuel system from escaping into the atmosphere.

This is important because fuel vapors contain a variety of hydrocarbons. Hydrocarbons form smog when they react with air and sunlight. Gasoline evaporates very quickly, so if the fuel system is open to the atmosphere a vehicle can pollute 24 hours per day without even being turned on.

When trouble code P is set, it means that there is an issue with the purge flow in the EVAP system. There may not be any noticeable driving issues with your vehicle, but your engine could be running rich which could cause Catalytic Converter damage. It may also be hard to start the vehicle. Although there are no apparent driving issues with this trouble code, it should still be addressed as soon as possible so that there is no damage to the catalytic converter. For error code P, one or more of the below repairs may be needed to solve the underlying issue.

For each possible repair, the estimated cost of repair includes the cost of the relevant parts and the cost of labor required to make the repair. Hi James Was the purge solenoid senser valve difficult To repair, and where is it located Thanks Dave.

YouTube it. I did. Mines 25 bucks… 3 clips and top of engine towards the back on my chevy cruze. Checked purge solenoid, was not the problem. Replaced with new solenoid and nothing changed, Could old solenoid have issue although testing it was same as new solenoid?

Sending car to shop to have checked. Its easy normally as the top of the engine. I did in my Cruze. Fixing it tomo for 25 bucks! Any suggestions? Same problem, changed both,on engine and by under by gas cap line and new gas cap. I clear the check engine light and the remote start works for a week or two. The first one came up twice with pd at the end of the second one. Car would have rough start or stop giving any gas to move while driving, I think something is plugged.

Have this code on my 03 chevy silverado 5. My truck is has major leaking gas from canister.Visually inspect the related wiring harness and connectors.

Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The auto repair labor rates vary widely across the country, and even within the same city. The camshaft position sensor signal sent to the Engine Control Module ECM during the first few seconds of engine cranking is out of range. The camshaft position sensor senses the retraction of camshaft intake to identify a particular cylinder. The camshaft position sensor senses the piston position.

The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor. When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change.

The change in the magnetic field cause the voltage from the sensor to change. When the crankshaft position sensor POS system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.

Get Access to Factory Service Manuals. Related Information. Repair Importance Level: 3. Why is the Engine Light ON?


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