Today: LET THE PROBLEMS BEGIN!!! My engine light tripped and I got po455 (p0455) Gross Evap Leak. In my old Volvo It was a cheap little purge valve Right on top of the engine 20 bucks and no tools needed. When I posted on the Volvo forum I got a half dozen responses immediately, all saying the exact same thing. The P0108 code stands for “Manifold Absolute Pressure/Barometric Pressure High.” It’s logged when the ECM receives a signal from the MAP/BARO sensor circuit that’s above the normal range. Some possible causes of this trouble code include a bad MAP/Baro sensor, MAP/Baro wiring or circuit issues, and a clogged catalytic converter.
Check engine light on again. Not that i just had to replace the alternator, now there is another issue.Let's find out how we deal with it this time.
I have a 1999 Jeep Cherokee with 4.0L engine. The Check Engine light illuminates with associated codes of either P0422 and P0455 - Evap Control System Small/Large Leak (usually P0455). I've erased these codes several time and light goes away but will come back within a couple days (usually within 50 driving miles).
For DTC P0455 (large leak detected), the vehicle will set the code due to large leak or purge blockage. A large leak can occur from an unseated tube connection, a damaged tube, a stuck opened canister vent valve or a stuck closed purge valve. For DTC P0442 (small leak detected), the vehicle will set this code due to small leak. The leak can
7154 posts · Joined 2012. #3 · Dec 15, 2015. I had similar codes on my DD car. Initially, they replaced the fuel tank because of the same reason that yours was replaced. That cost me over $1,100 two years ago. Fortunately, the dealer I use has a "Fixed for Life" guarantee, where if the same problem ever happens again I only have to pay for

2002 G Cherokee 4.7L Codes are P0340,P0135,PO740,P0455 and says control system, leak defected? Also posted earlier - Jeep Grand Cherokee question

hf2a.
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    • jeep grand cherokee code p0455