Question about 1994 Buick LeSabre

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94 lesaber stalls while driving,,sometimes spedo jumps severaltime before it stalls,it dosent matter how fast or how long i drive ..fuel pressure ok ..new coilpacks new filter plugs n wires...i think the pumps ok too..

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If its a 3.8 liter pull off the vacuum hose on your fuel pressure regulator. if you get a hand full of gas after it stalls , thats your problem!! $45.00 at part store , just a snapring pliers to change it!! richie

Posted on Oct 07, 2009

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Posted on Jan 02, 2017

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Jeep 96 dies sometime going down the road and wont start sometimes. will start after 10 miles at times and 24 hrs sometimes. the dash says check gauges. help woman alone need advice


Fuel pump intermittent, check for fuel pressure before dropping the tank to renew pump.
Otherwise check electrical connection at battery, and make sure you do not have an open circuit.
Loss of connectivity could cause this issue, failed fuel pump sometimes work, but are not reliable.
You should see 30-45 psi at fuel rail, and the regulator should bump pressure 5 psi when reving the motor. Higher pressure indicates failed regulator.

Jun 23, 2014 | 1996 Jeep Grand Cherokee

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1997 Jeep Grand Cherokee Laredo It turns on then sometimes it turns off as I put it on drive or it gets stalled. It also makes a funny jerking-jumping move while on driving as it is going to turn off or...


Thats where i would start more than likely its over do for change anyway.Then check your fuel pressure no matter if its a 6 cylinder or 8 cylinder it should be 44-54 psi with key on engine off.If not within specs replace pump.HOPE THIS HELPS!!

Apr 21, 2011 | 1997 Jeep Grand Cherokee

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I have a 94 bonneville,and it always stalls after driving for a few minutes.it also surges while driveing rpms up and down can't figure this problem out. I have a new fuel pump and filter new crankshaft...


Usually, a map sensor and an idle control sensor can cause the rpms to jump. I had a bad map sensor and it did this. It also would die every now and then. Check your fuel pressure and make sure it is correct. It may be a fuel issue. If your check engine light is on, get it scanned at an auto part store. This may be your best bet. If not, I would look into the sensors. If you have a question, let me know. I am here to help you.

Feb 24, 2011 | 1994 Pontiac Bonneville

1 Answer

1999 Chevy Suburban 5.7 V8 Starts fine will run smooth, but will not take fast throttle. If stomp the gas it will die and pop. It will reach interstate speeds and run smoothly if only minimum throttle...


ok here we go, hook up a feul pressure guage that can be read from inside the car, and check fuel pressure while driving, if the pressure stays fairly constant then the best bet is to hook up a real time scanner with snapshot capabilities ( like snap on or bdm pro) and take it for a drive again, ti could be a sensor reading out of range but not enough to set a code

Sep 14, 2010 | 1999 GMC Suburban

1 Answer

97 V6 Camaro, sometimes it won't start (the engine does turn), after a couple of minutes (turn the key till car stops dinging) then it starts. However, now it is stalling when I make a normal stop (on...


Try replacing the oil sending unit, Some years had a fuel pump shut of built in to the switch so if the oil pressure went down it would kill fuel pump to stop engine damage. Yours may be faulty

May 24, 2017 | 1996 Chevrolet Camaro

1 Answer

94 s10 with 4.3 w, misfires during driving.


Check fuel pressure,fuel pump maybe on the way out.

Apr 19, 2010 | 1994 Chevrolet S-10

2 Answers

94 GMC SAFARI IDLE FAST RUN FINE BUT WHEN DRIVE IF YOU PUSH GAS SLOWLY DRIVE FINE ; IF YOU FLOOR IT ] IT STALLS


First thing to check is the fuel filter. It is likely getting clogged and starving the engine for fuel under heavy load.

Feb 26, 2009 | 1994 GMC Safari

1 Answer

1987 4.3L starting difficulty


First off, I'm a great believer in the simple solution. If jumping the relay works, then replace the relay.

As far as a relationship between fuel pump operation and oil pressure, coincidence of operation.

If the new relay fails you, I'll need some more info:
  • Fuel Injected? If you turn the key on (not to start) do you hear the fuel pump come on for a sec then shut off?
  • Hard to start when hot, cold, doesn't matter
  • When it does start, does it idle ok? erratically? High? Won't stay running? Dies immediately?
  • Does it blow smoke? Black? Blue? White?
  • When driving, does it lack power? Stumble? Stall?
Hope it's the relay

Mike

Jun 18, 2008 | 1987 Chevrolet Astro Cargo

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