Hey Dudes!
Got my 88 5.0 Coupe died on me. Driving on a trip to visit my wife. 860 mile trip...30 miles from destination then, putt putt putt dead.
Car turns over and tries to fire but just not able to run.
Hooked up the code scanner.
KOEO test gave a code of 95.
indicates fuel pump monitor-cirruit problem.
I have converted to Mass air.
Has anyone had this problem before and can share some advice.
My fuel pump is a year old.
I hear the fuel prime when I turn the key.
Already tried putting in a new relay under the seat and no luck.
Thanks for any help,
Bryan

 

Check the fuel pressure at the engine, and go from there..Im guessing that what it has to do with. What brand is the pump, some have been reported faulty

 

Thanks. I cannot remember for sure what brand name pump. Will check my fuel pressure gauge. But it does not even start running. Will I still get a reading?

 

You said it sounds like its priming the pump with ignition, right? So it should give you a reading. Has it gotten worse? I thought your first post said it would start but not run

 

what fuel pump brand names would you recommend?
I need a 255 lph pump.

 

it turns over and fires alittle but does not run.

 

How to Solve and EFI No Start......... since you did a MAF conversion, did you install the additional wire from the FP relay to the ECM pin 19 (IIRCC)?

 

Joel-
Thanks for the info. Going to check it out tomorrow to norrow down the problem.
Big help!
Will give a update later.

 

ok- Update

I tried to get the car fired up and the battery was completly dead. Put it on the charger overnight and it was hardly holding a charge. Bad battery. Dropped in a new one and it started up and ran well immediately. After a day of driving around the charge keep dropping. So I just order a new Alternator. 100amp. Direct bolt in.
So the scanner reading popped up(95) probably because of low voltage. Got it figured out. Thanks for the info.