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Got codes po455

My 2001 Saturn L200 "service engine soon" light came on today. Took it to Auto Zone and told code PO455 shows. I checked the gas cap and it seems fine. There is a fuel smell after I turn the car off. Seems to be coming from the drivers side engine compartment. Suggestions?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 16 Answers

SOURCE: Took my car to Autozone,

what did not pass? the COs or NOs if co.s its the cat if no.s its a fuel problem

Posted on Jan 04, 2009

pal03246
  • 705 Answers

SOURCE: 2001 Nissan Altima with service engine light on

I would check your intake gasket. Get your self ome carb cleaner in a spray form/can and perfrom this test. Run the car and spray the carb cleaner on your intake gasket which is right by your injectors. So pretty nuch spray it at the injector rail and listen fot change in idle, If the idle changes, the intake gasket is torn and you are running lean, because of a vaccum leak. Common problem on your model car. Perform test and let me know what you find.

Posted on Jan 16, 2009

  • 221 Answers

SOURCE: Service engine soon light is on- 2003 BMW

The p0455 code means, Evaporative Emission Control System Leak Detected (no purge flow or large leak)
After you install the new gas cap, reset the code, dirve the car for a couple of days to see if the code comes back, if it comes back there might be a leak in your evap lines.


Posted on Mar 26, 2009

jigsaw_9077
  • 308 Answers

SOURCE: Check engine light

it is grounding , wires went direct connection . and check the fuse box or fussiblelink .

Posted on Jul 10, 2009

  • 439 Answers

SOURCE: Service engine soon light comes on all the time

Very common. Over time the O@ sensor builds up carbon from your exhaust which causes it to mis-read what the fuel air mixture is leaving the engine. This is a very common easily fixed problem.

Posted on Jul 16, 2009

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1 Answer

Check engine light came on and the code showed po455


its a evap code could be from a bad gas cap to a cracked vapor line or a bad sensor

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Good Evening, unfortunately it is not as simple as it could be. Servicing your engine usually meant changing your oil or doing a tune up. Your service engine soon light could come on for emission related sensors, transmission related information and otherwise. If it is still running correctly and still feels fine I would not quite worry yet. However I would not hesitate to take it to your local autozone or advance auto parts stores and they can hook up to your vehicle and give you a little print out of what the diagnostic code is stored in the system causing the light to be on. And armed with that information we can help solve your problem. Anymore these lights can come on from your gas cap not being on tight enough or the gasket on it not making a good seal. Hope this helps and anything we can do after you find out what the code is please ask.

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The Service engine soon light comes only when the computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.

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The system is set up by GM to have the cleared with a codes cleared by a OBIII hand held device which can be purchased at many auto parts stores. Auto Zone can clear it for you for free if you ask them to do so. If the code does come back you may want to purchase a factory fuel cap instead

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PO455 is a large evaporative fuel leak. A bad fuel cap is ONE of the things that COULD be the problem. Fuel system cleaning only lightened your wallet. Reading your post is confusing. Did all this start AFTER the Valvoline Wallet Flushing? If so , they left something loose or disconnected. I would find a qualified repair shop to fix the problem, and if it has anything to do with what Valvoline did, make them pay the bill.

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SOME TIME PCM GET A VOLTAGE SPIKE.OR ELECTRICAL INTERFERENCE WILL CAUSE SERVICE LIGHT TO COME ON WITH NO CODES.IF IT KEEP HAPPENING TAKE IT TO DEALERSHIP TO CHECK IT OUT.

Aug 12, 2009 | 2004 Saturn VUE

1 Answer

My check engine light came on today what does that mean?


There is an issue with the engine management in your saturn. If there is an Auto Zone around your area, have them scan the car for a DTC code which would indicate the issue. Auto Zone scan free of charge and can give you the step by step instruction to getting the job done to replace any faulty parts. Note: if the code comes back and a faulty gas cap, buy the OEM from the dealer. All others will fail with in one year. In the mean time open your gas cap and re tighten it and listen for at least three clicks when tightened. Good luck and hope this helps, keep me posted be glad to help.

Jul 01, 2009 | 2007 Saturn ION-2 Quad Coupe

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Service Engine Soon light - 2003 Pontiac Grand Am


The loose gas cap is a quick and easy check to perform, so try that first. The service engine light will remain on until the next "cold" start.
I would also recommend visiting your local Auto Zone and ask them to scan your car for trouble codes. They offer this service free of charge, write the codes down and respond back, I can let you know what they are and mean if you decide to have a technician fix the issue.
Good luck, let me know.
Regards,

Jun 08, 2009 | 2003 Pontiac Grand Am

1 Answer

Service engine soon light is on- 2003 BMW


The p0455 code means, Evaporative Emission Control System Leak Detected (no purge flow or large leak)
After you install the new gas cap, reset the code, dirve the car for a couple of days to see if the code comes back, if it comes back there might be a leak in your evap lines.


Mar 26, 2009 | 2003 BMW 5 Series

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