Thread: hesitation during acceleration
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Old Apr 9, 2025 | 11:02 AM
  #41 (permalink)  
xintersecty's Avatar
xintersecty
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Joined: Aug 2023
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From: Columbia SC
Default Re: hesitation during acceleration
It's not science until you write it down. Well I took pictures and going to write it down.

I got a fuel pressure tester from HF and run some tests last night based.

Running Pressure
60 PSI while running
60 PSI while running

Fuel Pressure with engine off:
Fuel Pressure after turning off 55 PSI
Fuel Pressure after turning off 55 PSI


Fuel pressure after long wait ( GF and I were practicing **** dancing (not what you think it is) and it got dark). Estimated time about 45 mins to an hour.
About 45 min wait, pressure drop to 24 PSI
About 45 min wait, pressure drop to 24 PSI

I get only one fault on the scanner with ODBII
P0454
P0453
P0453 Evaporative Emission Control System Pressure Sensor High Input

During Idle, the car will start to slow down and shutoff. The fuel pressure does not drop. I am not sure about the cause. I did replace this valve located here:





2005 CHRYSLER CROSSFIRE 3.2L V6 Exhaust & Emission : Vapor Canister Purge Valve / Solenoid

So I am stuck. I don't have enough engine codes to say what else to replace.
 
Last edited by xintersecty; Apr 9, 2025 at 11:04 AM.
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