Question about 1992 Buick Regal

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1992 BUICK REGAL WON'T CRANK

COULD IT PROBABLY BE THE MAP SENSOR STOPPING GAS FROM FLOWING THROUGH THE FUEL INJECTORS????? WE HAVE REPLACED THE CRANK SHAFT SENSOR AND HAD THE FUEL INJECTORS CLEANED, AND HAD THE FUEL INJECTION PUMP CHECKED.

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  • Anonymous Apr 16, 2009

    YES WE HAVE SPARK, AND I DON'T KNOW WHAT THE FUEL PRESSURE IS BUT I WORK AT A JOHN DEERE IRRIGATION DISTRIBUTOR, AND WE SENT THE FUEL PRESSURE REGULATOR TO OUR DIESEL MECHANIC AND HAD IT CHECKED AND HE SAID THAT IT TESTED GOOD.

  • tboyd416 Apr 17, 2009

    YES SIR, IT IS GOING THROUGH THE FUEL FILTER BECAUSE WE HAVE FUEL AT THE FUEL RAIL....SOMETHING IS PREVENTING THE INJECTORS FROM PULSING

  • Anonymous May 02, 2009

    having a problem with the car runs for 15mins and then just stop with no warring what could be the problem and it does not start back up until you let it sit for a while like we work on it last night and drove it a round the block two times and it just stop running and we let it sit over night and in morn it started right up got me puzzeled

  • yadayada
    yadayada May 11, 2010

    the MAP sensor WILL NOT stop the car from starting

    DO U HAVE SPARK?

    WHAT IS THE FUEL PRESSURE READING?

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  • Master
  • 607 Answers

The MAP ( Manifold Air Temperature ) its data is used to control fuel ratio / NOT THE DELIVERY OF FUEL Did you check the FUEL FILTER ?

Posted on Apr 17, 2009

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1 Answer

Car dying during slow down to stop, and while in park vehicle will move slightly if accelerator is mashed


If this was a EGR problem you would have a rough idle,If you are a 3.1 you are equipt with a MAP sensor this map sensor has a high failure rate with the vacuum hose connection and the MAP itself,This can be you culprit, If you are a 3.8 the culprit is the MAF mass air flow sensor.3_17_2012_8_55_47_pm.jpg3_17_2012_8_55_56_pm.jpg

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Feb 11, 2009 | 1992 Buick Regal

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CAN SPRAY GAS IN THE INTAKE, AND IT WILL CRANK...


Hi

Classic crank sensor symptoms !


We have the same problem on the Jaguars !

Good Luck !

Please give me a FixYa rating .....I want to be a Guru !

John

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1 Answer

1991 Buick Regal will not start


Chech to see if you're gettin a signal from the crankshaft position sensor located behind the crank pulley. If no signal, you have either a bad sensor or a bad crank pulley. There is a reluctor ring on the pulley that separates and goes bad. If you have a good square wave signal from the the crank sensor it's probably going to be the computer. I've replaced a lot of them. They do really wierd things when they start to go. Check all of your grounds first. Also, while the car is running, shake and pull on the wiring harnesses for the computer. I've seen on a few cars where a wire or 2 will go bad and cause and occational short.

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