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97grand prix gt 3800 STALLS/RPMdrops/ why does it run exactly 2 min

I posted here earlier, I could not get it started read about how to start with the key trick, it worked her is what I did to get it to start via the suggestion (key to on, then straight back to acc., let sit for ten min,(mine I let sit a hour)then to off pull key1/4 out then in and straight to start)got it running only runs 2 min, shuts straight off, no stutter or anything, has made a couple rough stutters the last couple times right before dying, I can not get any codes to come up on my code reader since I replaced my TP sensor and reset , the tp code came up back when I replaced it, this car sat along time since last sept. cuz I didn't want to mess with it, but now we really need this car! it had been getting progressively worse before I replaced TP, ran fine for day or 2 after then started the stalling midstream and then got to were I couldn't restart, got it here and parked it. Plz help, I got a reply once with a suggest, but I am new to this and not sure if I was able to respond back on here

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I had the same problem on my 96 cutlass and found that my problem was the vacuum hose was lose and air was blowing out from where the line goes in and covers the hole.

Posted on Jul 11, 2013

  • joecool Jul 11, 2013

    I have looked things over pretty close a few times ,and fixed acouple poss, things prior to this but it wont hurt to look again,thanks. to think this all started when I had some kids in a mustang playing on the road with me so i played back,top ended it ,then ran funny since.DUMB

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Car starts then stalls once the engine warms up.

You need new timing belt and gears. Buicks gears are made of plastic, and become a big glob. Nothing for the timing belt to grab onto.

Posted on Oct 13, 2008

motor1258
  • 6674 Answers

SOURCE: car stalls when driving and doesn't restart right away

Fuel filter changed recently? If it just started this & you filled up somewhere you don't normally fill up, then I'd try some "heet" additive or similar to remove moisture from gas tank, just in case that's the problem.$5.00 test.

Posted on Jan 02, 2009

  • 1 Answer

SOURCE: 1999 saab 9-5 stalls without warning won't restart for 30-40 min.

Hello.i had similar problem.replaced ignition coil+cranksensor,driven it for several months now.a.ok.

Posted on Jul 07, 2009

  • 105 Answers

SOURCE: 2000 LeSabre starts but runs very rough and stalls. After

My 2002 Lesabre (app 115000 miles) started something like this. Also the loose gas cap had been coming on for quite a while. I replaced the vacuum line from the air intake to the fuel sensor. It is under the engine cover (twist off the oil filler to remove the cover). There are two hoses together that come of the air intake. The small one goes to the top of the engine. The other goes across the front and makes a 180 turn back to the sensor. Chances are the 180 piece is cracked. It all comes from the dealer as one unit. $25
Seems to have fixed my problems. So if your car is running a little rough. Shutters under load. If the gas cap loose is coming on or probably a number of symptoms this might be the answer. I would replace this item. A cheap try.

Posted on Mar 12, 2010

  • 432 Answers

SOURCE: 02 Grand Prix GT 3800 starts and stalls

Id say maf again, due to the previous instance, however on a 3.8 i wouldnt be above checking the fuel pressure regulator for seeping through the vacuum hole. The boss has a 00 impala with a 3800 and my wife does both with 230k roughly on each, seen quite a few of those regulators and maf's over that time.

Posted on Jul 27, 2010

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