angeno03 Posted March 6, 2006 Report Share Posted March 6, 2006 Hello all. I'm new to forum so please bare with me. I have a 95' STS with 73,000 miles. If the car sits over night it will start right up. If it is somewhat warm, (ran in last 4-5 hrs) it will crank for 3-5 seconds then start. Any ideas? Thanks for your help. Keep up the good work everybody. Great forum!! Link to comment Share on other sites More sharing options...
adallak Posted March 6, 2006 Report Share Posted March 6, 2006 Hello all. I'm new to forum so please bare with me. I have a 95' STS with 73,000 miles. If the car sits over night it will start right up. If it is somewhat warm, (ran in last 4-5 hrs) it will crank for 3-5 seconds then start. Any ideas? Thanks for your help. Keep up the good work everybody. Great forum!! Welcome! FPR- fuel pressure regulator is most likely leaking. Search the archives, you'll find tons of info. Here one: http://caddyinfo.ipbhost.com/index.php?showtopic=8665 The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
Ranger Posted March 6, 2006 Report Share Posted March 6, 2006 Welcome. I agree with adallak. This link will explain how to check and replace it. http://www.cadillacforums.com/forums/cadil...l-pressure.html Link to comment Share on other sites More sharing options...
Spurlee Posted March 7, 2006 Report Share Posted March 7, 2006 I'd suggest replacing the FPR even if the test dosen't indicate a problem. Mine tested OK but the hard starting problem went away immediately when I replaced the thing. I bought mine at Rock Auto for $45.00 or so. It's an easy and quick fix. Scott 1996 El Dorado 2006 STS 2000 Corvette Link to comment Share on other sites More sharing options...
Ranger Posted March 7, 2006 Report Share Posted March 7, 2006 I'd suggest replacing the FPR even if the test dosen't indicate a problem. Mine tested OK but the hard starting problem went away immediately when I replaced the thing. I bought mine at Rock Auto for $45.00 or so. It's an easy and quick fix. Occassionally the FPR will show no signs of leakage by simply removing the vacuum line, but when vacuum is applied, it will leak. When checking a FPR, the best way is to put a hand held vacuum pump on it and pump down a vacuum, then watch the guage to see if it holds vacuum. Your case is a classic example. Link to comment Share on other sites More sharing options...
angeno03 Posted March 8, 2006 Author Report Share Posted March 8, 2006 replaced fpr. The car starts great now. Easy repair, other than getting a face full of gas. Anybody who does this repair make sure the system is depressurized good. Thanks to everybody for there help. I hope now I can help somebody down the road. Link to comment Share on other sites More sharing options...
adallak Posted March 8, 2006 Report Share Posted March 8, 2006 replaced fpr. The car starts great now. Easy repair, other than getting a face full of gas. Anybody who does this repair make sure the system is depressurized good. Thanks to everybody for there help. I hope now I can help somebody down the road. Good. That's how this board works - we learn from those who learned hard way, and then we help others to avoid the mistakes we did. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
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