Question about 1995 Buick Riviera

1 Answer

New Fuel Pump and Filter, Leaks and Still Stalls

In short, loved this car for five years. But after moving half way across Country 2 weeks ago ...everything has gone wrong, she even has a new tranny. After the transmission (and other repairs) I lose fuel pressure and realize it is now a pump I need. She took virtually every ounce of money saved for this move, so I HAD to get away cheap on labor. "Mobile mechanic felt bad" (yea right) and did the pump for 100 bucks. It was hard to prime...I mean I am a chick and I knew it was REALLY hard to turn over after repair. He leaves, I drive and the smell of fuel is pungent. Not the smell from a spill, I KNEW she was leaking right then...my heart sank. She still sputters on the hills, and stalls from low pressure. (sigh) This was 4 days ago! What I know is she is leaking fuel and it must be burning off the tank cause it's not visible, but it is leaking! Pump kicks on and it runs "better" with new pump, but losing just enough pressure to keep me crazy. Of course "mechanic" ain't answering now...over 2000 is gone since arriving, and I have no job yet cause my car won't stop! (pardon the pun) God bless I will get in and get dirty, I just need to be pointed in the right direction of what this ***** could have either damaged OR just not sealed correctly. The leaves have definitely fallen off the money tree and my car is so close to being my baby again. (and possibly my new home, Lol) Can anyone just tell me where to look??? A general direction and/or name I can Google. I am not an idiot I promise, my back was just up against the wall when the pump went out immediately after the tranny. (literally stalled on the way home from shop!) :( Thanks....Pam

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  • Pamela
    Pamela Nov 18, 2013

    Thanks James, Afraid I started there hoping it wasn't the pump! :( So the filter has less than fifty miles on it. Tried the relay yesterday too, only because that was cheap enough, and since I was under the back seat where the battery was, reset the computer as well.

  • Pamela
    Pamela Nov 19, 2013

    I wanted to add "the solution" to the problem I was having hoping that it may help someone else in the future. This was in fact a combination of low fuel pressure (stalling) AND fuel linking onto the tank. When I pulled the access to plate to check the seal, I discovered he had not sealed it all!!! Nope, seal was on the floor of my garage completely untouched. Had I known days ago that changing the fuel pump was really not a complicated job, I would have saved a hundred bucks and done it myself! If anyone else winds up leaking fuel and/or suffering from low fuel pressure after pump replacement. I strongly advice you to start by making sure it was sealed well...if at all! :) Happy to report car is much better now!

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Don't give up on the last guy-take the car back and ask him to fix it right-ask if you can trade labor for repair-chase parts, deliver cars answer the phone or even clean shop-Denny

Posted on Nov 18, 2013

  • 2 more comments 
  • Pamela
    Pamela Nov 18, 2013

    Thanks..I won't! :) He was "mobile" so I can't just take the car to him I am afraid! A new day my friend, will get on this until I have a direction and then get out there. Lol

  • Denny Giesel Nov 19, 2013

    o k so to find the leak- turn the key on- as you know the pump will run-now you're going to have to do some sniffing out - hopefully it won't be to windy-so-possible leaks could be at the tank or under the hood-hopefully its what is causing the problem as you say low pressure-start at the tank the hoses should come out the r or l side in front of the tank-there should be a couple of lines-one is a return and possibly a third which is goes to the vent canister- hoses run up to the motor along with the brake lines up the firewall behind the motor and connect to the fuel rail-hopefully the leak will be obvious- cheers Denny

  • Denny Giesel Nov 19, 2013

    congrats-cheers Denny

  • Pamela
    Pamela Nov 19, 2013

    :) Thanks!!!

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SOURCE: Transmission Bucks on hills

I have a 1990 Buick LeSabre with the 3800 engine. Recently the engine has began to miss under mild acceleration. It is not just a misfire where the spark plug failed; it is more abrupt.

when the engine idles it almost always acts like it the engine is misfiring and it is like the engine is actually kicking back every nowand then. From inside the car while idling, I can feel the same phenomenon. I kicks!

I am not sure where all of the notorious sensors are located and I not feeling like they are at fault. The only one that I feel could be the culprit is TDC sensor or and anti knock device if it has one. Of course it could be the ignition module, I guess.

What I am thinking is that if this engine had an old fashion distributor, it would be as though a cylinder ignited out of sequence or before the piston reached the point that is near TDC. Could it be probable that the the module allowed the spark to set off another cylinder sporadically? Does this motor have an actual distributor cap? Could there be a short between some terminals?

It is not valves because for short periods of time the "miss" will vanish.

The check engine light is not on!

Posted on Jul 21, 2009

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