[Michael Everson]

I have a cobra here that is having a couple of issues. Once the car is up to tempature, it will not restart. It smells like its getting too much fuel. It cranks over no problem but will not fire. It starts right up when cold. All sensors are new. Second. Anything above idle and the charge indicator light comes on. Also the volt gage goes up to about 18 when this happens. I have not run into either of these two problems before. Any help would be appriecated.
thanks Mike

 

[Mike Forte]

Hi Mike,
The voltage problem can be a bad ground on a car. I'm not sure how this can happen in a FFR being verything is metal. Who's EFI wire kit are you using? I'd recheck my wiring on the harness.
Best of luck,
Mike Forte

 

[NAGA]

I'm voting for a blown diode in the alternator's voltage regulator.
That would explain the light working opposite.

d



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[Michael Everson]

I replaced tha alternator with a known good one. Problem solved.

As for the no start condition, I can get it to start right up by unplugging the fuel pump relay. If I unplug it and fire it up then plug it back in right away before it stalls, it will run fine. Any ideas???

 

[Geopleaser]

check the fuel pressure reg. Pull off vacumn line and see if gas comes out. coolent temp sender???
just a few quick checks

 

[Michael Everson]

Temp sender is new. If there was a pressure siiue wouldnt it idle terrible? It idles just fine once I get it running.

 

[Mr. Barry]

Sounds like a problem in the relationship between the starter relay and the fuel pump relay....what circuit is in common (I guess I mean that if the EEC is sensing that the starter relay is engaged , the fuel pump relay should not be)...maybe... like a wiring problem.

 

[Michael Everson]

No not a wiring problem. By disconnecting the fuel relay its not dumping gas into the cylinders. I am beginning to wonder if I am using a computer that is not compatable with what I am doing the computer is a 8LD I am todl this is a mass air computer for California emmisions. Can anybody comfirm this?

 

[Mr. Barry]

Don't you know Michael , with computers nothing can go wrong go wrong go wrong go wrong gowroooooooooooooooooooooooooonnnnnnnnnggggg!

 

[NAGA]

My best guess is you fried something with the reversed polarity high voltage.
Got another FP relay? EEC? Can you run the codes? Might get lucky and have it just be a sensor giving the computer bad input.

Sorry Mike. One thing leads to another.

d

[ October 09, 2004, 04:23 PM: Message edited by: NAGA ]



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[Michael Everson]

Reversed polarity? The car starts and runs fine, just wont restart without stopping the fuel pump first. Once the car starts I can plug the fuel pump ack inand all is well. I was told that the coolant temp sender may be telling the computer that the car is still cold when its not. I geuss it gives it more gas when its cold. May have to start swapping parts till I get it solved.

 

[Jim Smith]

The 8LD is an 88 Cali. MAF Puter. I've been running one for some time without the issuses your having.

 

[Michael Everson]

Thanks I will look elsewhere to start. Maybe I am being misunderstood. The car is flooding when hot. I am just diconnecting the fuel pump so it doesnt flood more.

 

[NAGA]

Hi Mike,
You had a reversed polarity condition when the diode in your alternator's regulator shorted. The symptom there was your red charge light working backwards.
I'm looking at a '90 Helms EVTM. Interesting enough, one of the routes for the power going thru the red light is thru fuse 18 in the fuse panel and out to the Low Coolant Switch.

Again, can you run the codes? I'm gonna guess that the reversed polarity coming out of the regulator trashed your Low Coolant Switch and it's sending bad data to the EEC.

Hope this helps.

d.



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[Geopleaser]

it says it wont start again after it runs for awhile, that is what I was referring to, not the charging problem

 

[Michael Everson]

I replaced a brand new ECT sensor from Ford with another new one and the problem is solved.
Thanks