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jpickle
Novice
Nov 17, 2012, 9:41 AM
Post #1 of 16
(1684 views)
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95 sable wont run right
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i put new fuel pump in and it wont work right, and wont shut off.But when i turn key on and coolant fan comes on for a min or two and shuts off , then you can hear the fuel pump shut off then the car will start right up
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 17, 2012, 10:23 AM
Post #2 of 16
(1653 views)
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Re: 95 sable wont run right
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You will have to test everything in the circuit but it sounds like one of the relays is having an issue.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 17, 2012, 10:24 AM
Post #3 of 16
(1648 views)
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Re: 95 sable wont run right
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Could be a problem with the CCRM or the PCM. Which engine? Check engine light on?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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jpickle
Novice
Nov 17, 2012, 11:04 AM
Post #4 of 16
(1634 views)
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Re: 95 sable wont run right
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should i be able to check these with a meter, thanks for the help well appr.
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jpickle
Novice
Nov 17, 2012, 11:07 AM
Post #5 of 16
(1633 views)
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Re: 95 sable wont run right
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where would i find these at, thanks for the help
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jpickle
Novice
Nov 17, 2012, 11:09 AM
Post #6 of 16
(1632 views)
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Re: 95 sable wont run right
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its a 3.8 engine and yes the light is on, thanks
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jpickle
Novice
Nov 17, 2012, 1:56 PM
Post #7 of 16
(1616 views)
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Re: 95 sable wont run right
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I replaced ccrm didnt make a difference.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 17, 2012, 2:52 PM
Post #8 of 16
(1613 views)
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Re: 95 sable wont run right
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You need to get hold of an EEC IV code reader and find out which trouble code(s) the PCM is storing. That may give you some direction.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 17, 2012, 3:35 PM
Post #10 of 16
(1604 views)
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Re: 95 sable wont run right
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He probably replaced it because I suggested it could be a problem. I appologize for not being clearer. Of course, testing would have proven otherwise. I have run into a couple where the fuel pump wouldn't shut off KOEO and it ended up being the PCM after doing some tests. CCRMs are notorious for screwing up on those also causing all kinds of weird problems.
The key is to test, using a volt meter, the fuel pump ground circuit. The PCM grounds the fuel pump ground circuit which closes the fuel pump relay inside the CCRM. With KOEO (key on engine off) after prime (pump off) the voltage at the VIP connector FP terminal should be around battery voltage. When the PCM grounds the relay, the voltage should drop to near zero volts.
If the pump is running all the time and you see 0 volts at the VIP, you know the PCM is grounding the relay. If the VIP shows 12 volts and the pump is running, the CCRM fuel pump relay is hung.
With the weird fan operation and fuel pump relay, suspecting the PCM would be my guess. That of course is after testing PCM power, ground (less than .03 volts with everything turned on), and shorts in the sensor power supply circuits. If all that checks good, PCM is the culprit
The VIP connector under the hood (diagnostic connector)
FP ground circuit is pin A.
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 Nov 17, 2012, 3:40 PM)
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jpickle
Novice
Nov 19, 2012, 9:13 AM
Post #11 of 16
(1575 views)
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Re: 95 sable wont run right
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i didnt buy a new one had a extra and put it on didnt make a differance , i wouldnt have bought one unless new for sure that was what was wrong. where is the pcm located
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jpickle
Novice
Nov 19, 2012, 9:20 AM
Post #12 of 16
(1575 views)
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Re: 95 sable wont run right
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where would i find the pcm at and what might it look like. thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 10:04 AM
Post #13 of 16
(1567 views)
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Re: 95 sable wont run right
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You can't do that with a PCM. It has to be programmed before the car is started.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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jpickle
Novice
Nov 19, 2012, 6:25 PM
Post #14 of 16
(1556 views)
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Re: 95 sable wont run right
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ok thanks
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jpickle
Novice
Nov 27, 2012, 10:42 AM
Post #15 of 16
(1474 views)
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Re: 95 sable wont run right
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it ended up being a bad ground on the body , got it running thank you car junkies for your help
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 27, 2012, 2:09 PM
Post #16 of 16
(1468 views)
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Re: 95 sable wont run right
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Something so simple can cause so many problems. Thanks for the follow up. Glad to see you have it back to normal.
Closed as solved.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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