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engine cranks, no fire

Old 06-17-2001, 01:08 PM
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Join Date: Jun 2001
Location: rockville, va
Posts: 84
Post engine cranks, no fire

After sitting for a week, my starter just cranks, car doesn't want to fire...have had this problem before, after it gets running car is fine, until i have to leave it for a while, then it gives me trouble...any ideas, fuel pump relay, fuses, fuel pump

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Old 06-17-2001, 02:54 PM
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Join Date: Jun 2001
Location: springfield, MO USA
Posts: 802

check the easy/ obvious stuff first- the fuse, as you stated- there is a test plug for fuses in fuse box. See if the fuel injection relay is working properly (borrow one from a friend- it's the same as the 944 relay-) if the relay is bad, replace it with a 993 fuel injection relay- they are more sophisticated, work better- $18.00. Turn the key to "on" and see if you can hear the pump run. There is also a way to jump the pump relay if you know which terminals to bridge in the plug that plugs into your DME. If all this checks out, next step, I would guess is to see if you are getting spark.
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