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Weird starting + where is the fuel pump relay? 200

posted by  Owned by Velma on  Wed Jul 1 12:45 CST 2009
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last visit: Sun Jun 23 17:56 CST 2013
[RELATED]

I last drove it on Monday without issue. It's also been extremely wet and cool here, as a data point.

Symptom: After long (and strong, battery is OK) cranking engine felt like it's running barely on 1-2 cylinders. Tried a couple of times (returning key to OFF each time) and she fired up on the 4th or 5th try and ran fine. This was a cold start. Subsequent warm starts were fine.

I have a new fuel pump relay and wanted to installed it, but for the life of me I cannot find the original which is supposed to be up under the glovebox behind the felt panel. I found a large gray relay clipped to... some expensive-looking brain thingie but I think that is the AC control relay and the wiring connector is different (4 vs 6 pins). Even with a flashlight I could not find anything under there that looks like the white replacement. Is it possibly somewhere else? I've tried a search here but the results don't tell me anything different from where it's supposed to be.

Also, this is a LH3.1 car, but the relay is the same for LH2.4 as far as I can tell.

Check-engine light is off. No fault codes stored.

Another data point: at the end of a two-day road trip in April she just quit in the middle of the road and would not restart, displaying the same symptom as above, only the engine was hot after driving for hours. It was a hot day, and I'd filled up with some possibly-suspicious (high ethanol content) gas earlier. After letting it sit for about 30 minutes she fired up and drove as if nothing had happened so I've been blaming the gas, until today.






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