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2004 chrysler pacifica misfire


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matt08a
New User

Oct 13, 2015, 8:15 PM

Post #1 of 4 (1101 views)
2004 chrysler pacifica misfire Sign In

I have a 2004 chrysler pacifica with a 24 valve 3.5 liter. It developed a misfire and is throwing the following DTC's:

P0202-injector circuit open / cylinder 2
P0201-injector circuit open / cylinder 1
P0461-fuel level sensor A circuit range/performance
P2066-fuel level sensor B performance
P0700-Transmission control system (mil request)
P0562-system voltage low

The dealership said the problem is the PCM (powertrain control module) and it needs to be replaced but I'm not sure this is the problem.
I dont see the PCM causing an engine misfire, especially with no transmission problems. I'd hate to spend hundreds of dollars to accomplish nothing.

Any insight is appreciated.

Thank you.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Oct 13, 2015, 8:44 PM

Post #2 of 4 (1093 views)
Re: 2004 chrysler pacifica misfire Sign In

Why don't you think that is the problem? Have you done testing to dispute their claim?

P0202 and P0201 that set current will cause misfiring in those cylinders. Yes, a faulty PCM can cause misfires. If there is a problem with the injector drivers, which are inside the PCM, that will cause misfires. There are diagnostic steps and procedures to determine what is going on.

If you don't agree with their diagnosis, you could have it checked out at another shop.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Oct 13, 2015, 8:50 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 14, 2015, 2:09 AM

Post #3 of 4 (1079 views)
Re: 2004 chrysler pacifica misfire Sign In

Yeah, I've got the same problem. Damn doctor says my leg is broken but I don't think that can make my toes point backwards and i don't want to waste the money on a cast. Maybe I just need to take some vitamins.



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kev2
Veteran
kev2 profile image

Oct 14, 2015, 8:23 AM

Post #4 of 4 (1069 views)
Re: 2004 chrysler pacifica misfire Sign In

TALK with your service provider, find out what their policy is if this repair does not does not correct issue-
nothing wrong with asking how they arrived at conclusion- you already paid for diagnostics...






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