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#4111810 - 06/06/21 11:00 AM Need some help : 2008 CVPI with ?electrical? Issue
RandomPerson Offline
Stranger

Registered: 06/01/21
Posts: 3
Loc: CT
Hello, I own a 2008 CVPI, that seems to be having weird electrical issues.

Story: have been having issues with the turn signals on the car for the past few weeks, and considering the multiswitches are so cheap, I had replaced it and the fuse for the lights which had blown. On Memorial Day as I was leaving i noticed it was blown again, and me being quick and dumb threw a 20A fuse in there so that I could just drive to work and worry about it later. As i was waiting at a light the car faceplanted, died completely. Shifted it into neutral, tried to crank, and got nothing. Luckly i was on a hill and was able to roll to the side. I feel like me adding 20A fuse was a fault but it could be something compltetly unrelated.We tried jumping it, and she still had nothing.

Sympotoms:
-Key in Pre-Start position, no dings, no radio, no blower motor, no sound of fuel pump running, and no instrument panel, only things that have power are the powered mirrors, the seat, and the cig lighter ( the important things)
-When attempting to start, no click from a starter either
-Car is locked into park, no matter what order or way you operate the handle and wheel and key, it wont shift into neutral .

I have replaced the alternator and battery this week as last ditch hope that it was something simple, but alas im still here with a dead car.

IF there's any details you need please let me know, I'm not going anywhere XD

Thanks in advance, Matt

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#4112478 - 06/14/21 09:02 PM Re: Need some help : 2008 CVPI with ?electrical? Issue [Re: RandomPerson]
RandomPerson Offline
Stranger

Registered: 06/01/21
Posts: 3
Loc: CT
UPDATE : So it was a bloody fuse. Fuse 7 (PCM Power relay) in the engine bay, after careful examination was burned through, but it wasn't obvious on first glance. However now the engine wont turn over. Engine cranks, Fuel pump whines, and after spraying some starter spray into the intake, it tried to start making me think it has spark, but it wont turn over. Engine has 10 Codes that were not present before this mess.

P2110: Throttle Actuator Control System Forced Limited RPM (2x)
P2104 Throttle Actuator Control System Forced Idle (2X)
P0223 Throttle/Pedal Position Sensor/Switch B Circuit High (2X)
P0183 Fuel temperature Sensor A circuit High (2X)
P0122 Throttle / Pedal Position Sensor Switch A Circuit Low (2X)

I have a cheap little OBD2 Port reader so I cant get anything more than that I'm afraid. A quick look at all of these show severe issues regarding the sensors themselves, or something else ( IE Throttle body, spark plugs, etc). I will begin digging deeper into it. If anyone has any ideas let me know, coulda fried the PCM, or coulda fried everything :/

EDIT: If this is better off in the Powertrain or some other section of the forums please let me know and I can delete and move it somewhere more appropriate.


Edited by RandomPerson (06/14/21 09:03 PM)

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#4112516 - 06/15/21 11:51 AM Re: Need some help : 2008 CVPI with ?electrical? Issue [Re: RandomPerson]
RandomPerson Offline
Stranger

Registered: 06/01/21
Posts: 3
Loc: CT
Update2: Car Runs now, Car seems solved. I took every fuse, relay, and diode out, cleaned them with contact cleaner, and refitted them, and now it works. Cant say which fuse or relay was the problem but this was a simple case of check twice, work once.

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#4119382 - 08/26/21 06:21 PM Re: Need some help : 2008 CVPI with ?electrical? Issue [Re: RandomPerson]
GM_Guy Offline
Posting Addict

Registered: 12/17/00
Posts: 18663
Loc: London, Ontario Canada
Since you have a 2008, something that affected mine resulting in randomn crank-no start condition was a bad ignition switch. (30 dollar ford part, easy change). On hot days when the car was sitting out in the parking lot at work for instance it would just crank, sounded like it wanted to start, but wouldn't. Intuition told me it was ignition switch as everything else checked out fine. Heat expansion and horribly undersized/worn contacts would let it crank but provided no power on one of the run terminals.
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#4119430 - 08/27/21 09:47 AM Re: Need some help : 2008 CVPI with ?electrical? Issue [Re: GM_Guy]
SocalSam Online   content
Over the Hill

Registered: 03/30/13
Posts: 2843
Loc: SFV, Calif.
Originally Posted By GM_Guy
Since you have a 2008, something that affected mine resulting in randomn crank-no start condition was a bad ignition switch. (30 dollar ford part, easy change). On hot days when the car was sitting out in the parking lot at work for instance it would just crank, sounded like it wanted to start, but wouldn't. Intuition told me it was ignition switch as everything else checked out fine. Heat expansion and horribly undersized/worn contacts would let it crank but provided no power on one of the run terminals.


Good knowledge. My fleet key fits a lot of junk yard CVPI's so I have a couple of spare ignition switches.
_________________________
2004 CV LX Sport #1, 57,000 miles -- Never was
2004 CV LX Sport #2, 121,000 miles -- Current
2008 CVPI Arizona Beige, 121,000 miles, 677 idle hours -- Current
2005 CVPI Ex-San Diego P.D. -- 2 month loaner


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#4119842 - 09/02/21 04:24 PM Re: Need some help : 2008 CVPI with ?electrical? Issue [Re: RandomPerson]
GM_Guy Offline
Posting Addict

Registered: 12/17/00
Posts: 18663
Loc: London, Ontario Canada
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Box stuff in the Box forum!

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