Question about 1998 Buick Regal

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While Drving my 19986 Regal shut off and it takes a while to restart it I have already replaced the mass air flow and NOW its worse shuts down 3-4 times a day here is the kicker a freind of mine gave me a tool to test the spark plugs see if they fire up when I try to restart guess what when I plugged the tool into the spark plug and the distrib there was no light like it was not getting any juice. Another person said it maybe one or all of the distrib miss firing

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Replace coil .

Posted on Jun 30, 2009

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1994 Geo Metro won't accelerate past 1/2 way through each gear. When it gets half way through first gear, the car bogs down and won't accelerate further. Shifting into second, it lugs until half way...


I would pay more attention to the air flow sensor and mass air flow sensor, putting this on a diagnostic machine will pinpoint the errors stored on the onboard computer. both sensors can be cleaned by a competent mechanic, most mechanics don't want to, they prefer just to swap items out these days because of costs. get a reading, then you will know for sure. good luck.

Oct 20, 2013 | 1994 Geo Prizm

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Why does my 91 ford explorer shut off when i let go of the gas


Might need a good tune up, MAF mass air flow sensor, air filter, fuel filter, there might be a vacume leak. I would have suspected the IAC but you have already replaced that.

Nov 05, 2011 | Cars & Trucks

1 Answer

My 2001 525td starts and drives ok but intermittently it wont go above 3000 rpm,if you stop and switch it off it goes ok again for a short while


HI, your car is most likely going into limp mode. The number one cause of this computer shut down restriction- is a Mass-Air Flow sensor malfunction. Fuel trims become erratic and the engine computer puts a order in to limit performance until the original problem is resolved. The fact that you can get performance back after shutting down car and restarting is that the computer is rebooting and most likely the sensor is now functioning properly and or has not set the number of faults required for limp mode. What I would do is have someone with a scanner look for DTC's or engine problem codes, and remember the following: Lean or Rich fuel trims detected bank 1 bank 2 (is a Mass Air flow problem)Replace Mass Air flow sensor assembly. Accelerator position high or low and or erratic is most likely (Pedal sensor) Replace Pedal assembly. Good Luck.

May 18, 2011 | 2007 BMW 525xi Sedan

1 Answer

Truck shut off as i approached a red light and now will not restart.have already tried new fuel pump,new batteries,3 injectors ,camshaft sensor. what can i do now


COULD HAVE FAULTY FUEL PUMP RELAY OR FUSE.FUEL FILTER FILTER STOPPED UP.SCAN TRUCK FOR MASS AIR FLOW SENSOR FAULT - IDLE SPEED CONTROL FAULT.AND EGR VALVE FAULT.CHECK FOR BATTERY POWER.SHOULD BE 12.5 VOLTS AT BATTERY IF NOT FAULTY ALTERNATOR WILL ALSO SHUT DOWN VECHICLE.

Jul 07, 2010 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

Car may not restart appears it ran but computer shut it down


its the mass air flow sensor world i firugered it out i got 97 deville 120000 ran great all summer till it got below 40 hard to start when cold like it was the fuel pump but it wasnt it was the mass air flow sensor

Jan 10, 2010 | 1997 Cadillac DeVille

1 Answer

Where is mass air flow senser on a 1989 buick regal


Hi

Thanks for using FixYa. The BUICK Regal Mass Air Flow sensor is usually installed in the intake air duct between the air filter and the throttle body mounted on the intake manifold. Also check the throttle body for mass air flow sensors location.
On mass air flow sensors with a sense wire, this wire can become contaminated with dust particles. These particles can be removed with automotive solvents that are safe for the use on mass air flow sensors. Before replacing the mass air flow sensor check for air leaks in the connecting air ducts and intake manifold. These leaks can cause similar symptoms as a malfunctioning mass air flow sensor.

Bad or contaminated BUICK Regal Mass Air Flow sensor can possibly cause a wide range of various vehicle drivability problems such as stalling, especially when the engine is cold, misfiring, poor acceleration, etc. In addition, a problem with the Mass Air Flow sensor often causes the "check engine" or "service engine soon" light in the vehicle instrument panel to illuminate.

Please do accept the solution if the issue is resolved or else revert for further assistance.

Thanks
Rylee

Nov 09, 2009 | 1989 Buick Regal

1 Answer

Car jerks on freeway and engine shuts off.


It sounds like your Mass Air Flow Sensor is faulty. These sensors will normal show fault when cruising at highway speeds causing the vehicle to almost stall or stall. Replace the Mass Air Flow Sensor with a known good one and test drive the vehicle. This will most likely repair your concern.

Nov 02, 2009 | 2005 Nissan Altima

1 Answer

I have a 99 Buick regal that stalls while driving or just sitting still replaced mass air flow sensor an that didn't fix it and no garage can figure out why its doing it can you please help. to describe it...


Replace the fuel filter. If that doesnt do it which it probably will, make sure the fuel pressure is consistent, as it could be a faulty fuel pressure sensor.

Oct 01, 2009 | 1999 Buick Regal

1 Answer

99 buick regal 3.8 starts for 3 seconds and shuts down,


Had the same problem drove me nuts until I tried disconnecting Mass Air Flow Sensor, the car should drive normally but with a "Service Engine Soon Light" on. Mass air flow can run from $140 up, picked one up at recycler for $40.

Worth a try.

Mar 01, 2009 | 1999 Buick Regal

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