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P0455

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P0455 OBD-II Trouble Code: System Gross Leak Evaporative Emission
P0455 Trouble Code definition System Gross Leak Evaporative Emission The Code P00455 code is often associated with P0440 code. What...

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Noise coming from the engine
The noise would need to be heard by a mechanic to determine if it is an engine noise, or ignition problem. The code P0455 is a generic code for a major emission vapor leak, and is most common to be...
check enginelight is on and the gas range fluctuates often even after i changed the gas cap and had a smoke test done
Codes can't be the "basis" for replacing ANY part on a car. Codes ONLY provide clues to mechanics as to the origin of a fault and the ONLY use of these clues is they permit identification of the parts and...
I'm getting a check engine light with codes p0455 and p0456. I tried a new gas cap from the dealer but the light comes back in a few days.
Hi there. The fuel cap could have been one item that may have been leaking. There could be a leaking return fuel vapor line or the purge vent valve could be damaged. Check the fuel system and look for any...
Crank no start - 2003 Dodge Grand Caravan
Hi. Some of the codes you have will cause drivability problems and may cause the van not to start. The code p0118 deals with your coolant temperature sensor and a bad coolant temperature sensor will cause the car not to...
Bad Ignition/electrical issue - takes several cranks before it starts!
Hello there, you have a few different faults going on with your 2007 Chevrolet Impala. A vehicle should not have to crank long before it starts unless there is a fault. Given the codes you have listed there are a...
P0455 2005 Chevy Monte Carlo
The code P0455 (https://www.yourmechanic.com/article/p0455-obd-ii-trouble-code-system-gross-leak-evaporative-emission-by-john-nelson) is for a gross leak in the evaporative gas tank system and will not have any thing to do with overheating, but may have something to do with other issues. The overheating would should be the...
Getting codes P0455 and P1470
Hello. Your codes bring up two completely different problems. The P0455 is for a small leak in the evaporative emissions system. Most of the time it is as simple as replacing the gas cap and clearing the code. If that...
Emission control leak.
This code may be caused by the canister purge solenoid is leaking or you did not tighten the gas cap. Either way the leak should be cleared first and do a physical inspection of the fuel system. Then to check...
Failed smog check
Hi. This is a fairly common concern for smog failure, it indicates the computer has detected a large leak in the evaporative emissions system. 90% of the time this is due to the fuel cap not being secured properly. Sometimes,...
Evaporative Emission Control System Leak Detected (Gross leak, check fuel cap, piping etc): Code P0455
Hello, thank you for writing in. The vehicle is experiencing a leak either with the EVAP system, or pertaining to the fuel tank. A visual inspection of the fuel tank and filler neck can rule out any physical damage in...
Check Engine Light is on - code P0455
Hello. P0455 (https://www.yourmechanic.com/article/p0455-obd-ii-trouble-code-system-gross-leak-evaporative-emission-by-john-nelson) is the trouble code for a large leak detected by the evaporative emissions control system. The computer will set off this code if it detects a large leak in the evaporative emissions (EVAP) system. The EVAP emissions...
Can a purge solenoid cable cause a EVAP leak code?
Hi, thanks for your question. When the engine is off, the vent shutoff valve and canister purge valve are closed. The fuel can't escape into the atmosphere. When the engine starts, the purge valve on the canister opens to allow...
Egr and evap codes 455 & 405
The trouble code P0405 (https://www.yourmechanic.com/article/p0405-obd-ii-trouble-code-exhaust-gas-recirculation-sensor-circuit-a-low-by-jay-safford) is for the EGR sensor. This code indicates that the sensor is not giving correct voltage readings. You'll need to replace the sensor and the sensor hoses. The hoses can clog or burn through which...
Two codes coming up: P0449 & P0455
The most likely cause for these two codes is that the emissions control evaporative canister vent solenoid needs to be replaced. You may also want to check your gas cap to make sure it does not leak; it may be...
Battery malfunctioning
P0341 is a camshaft position sensor error code (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) while P0455 indicates a large evaporative emissions leak, such as a failed gas tank cap seal. These are likely not related to the battery malfunction (https://www.yourmechanic.com/services/battery-light-is-on-inspection). Have a mechanic, like the...
Jeep misfiring and stalling.
The code P0455 could be the gas cap is loose or leaking or a leak in the fuel tank venting system. Also a problem with a sensor or solenoid leaking in the system. The system would have to be tested...

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