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What Is Po455


Diagnose and repair a vehicle trouble code p0455 which is EVAP emissions control system leak detected (no purge flow or large leak).

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Best Answer: The two are absolutly the same problem...the evap system requires a sealed system to work properly...could be alot of things from a leaking ...

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hi, i have a po455 code on my stratuss 2.4 engine . i changed the gas cap cause it was worn out but the light is still on.someone told me to check my hoses .which ...

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Answer P0455 means a gross leak detected in the Evaporative Emissions System. Some call this a quot;gas cap quot; code, because the most common cause a loose or failed gas cap ...

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What does diagnostic code PO455 The engine light came on and what does diagnostic code PO455 mean?

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Best Answer: P0455 Evaporative Emission Control System Leak Detected (gross leak) As opposed to small leak. You would seldom get the gross leak error for ...

Answer well a p0138 is an o2 sensor problem and as for the P0455 the evap system has a very large leak over 40 microns and it may need a fuel cap the P0442 and the ...

What is code P0455- Emissions leak We had engine light on and O'reillys checked computer with code PO455 Emissons control leak. What is it? The O'Reillys guy said it ...

I have a 2003 gmc Serria 4.3L engine I have trouble code PO455 I put my code reader on and it says Evaporative Emission System Leak detected (gross

Hello All, Got a CEL the other day, had the code pulled (PO455) Evaporative Emmisions System Leak- Gross. I replaced the gas cap and reset the

My check engine light went on, and I had my code read. I came up PO455. So I repalced my gas cap and had the code reset it came back on. What should I try next?

My 70,000 mile 2003 Silverado 5.3 has had PO455, and PO449 issues for some time. My local shop suggested I go to a dealer for a smoke test to help

Question - what is a po455 code on a 01 dodge ram 1500. Find the answer to this and other Dodge questions on JustAnswer.

OK, new to dodge country-I'm trying to find out if anyone knows of areas of the evap system that commonly cause this code to come up. Dealership (not Dodge) is no ...

As ya'll stated I took the car to Autozone, and had them scan the comp and trouble code PO455 came up. They said it was a large leak in the evaporative emmisions ...

Car Forums Did engine swap now get PO455 code, engine misfire and smell Elantra | Avante