Question about 1989 Oldsmobile Delta 88

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1989 olds 88 hard to start at 32 degrees and below

Tries to start and back fires for 20 to 30 minutes then starts. will start rest of day as long as block stays somewhat warm.

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  • Cobb109
    Cobb109 Dec 30, 2013

    replaced the ignition module, but not the crankshaft sensor. I had as feeling that may be the problem , will change and let you know if works Twosonsdad .

  • Cobb109
    Cobb109 Jan 13, 2014

    Turned out to be ignition coil pack. The cold weather for some reason would cause weak spark,anytime above 32 degrees no problem. Started at -11 the other day.

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  • Oldsmobile Master
  • 3,103 Answers

Be looking at vacuum leaks and stuck valves when cold..

Posted on Dec 31, 2013

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Posted on Jan 02, 2017

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SOURCE: 1989 olds regal 88 3.8

I would believe the problem lies with the CRANK POSITION SENSOR. The computer relies on that sensor to advance the timing when the engine is cold, once the engine warms up, the computer will ****** the timing and then the timing will be set in relation to the THROTTLE POSITION SENSOR. The crank position sensor costs aroung 30 to 40 dollars. But to have it installed will cost probably around $300...maybe more. To install the CPS you will need to jack up the front of the car, remove the passenger side front tire, remove the plastic splash guards, remove the serpintine belt, remove the harmonic balancer with a special puller designed for that type of engine, then finally, remove two little bolts holding on the sensor and replace it with a new one...........it all sounds pretty easy and straight forward, but really there is not too much room for tool movement and your body will be in an awkward position most of the time. I can do this job in about an hour and a half only because I have done it so many times and know exactly which tools are best suited for each particular bolt and the whole process, I would say it is a 3 hour job if you are very mechanically inclined or a 5 hour job for the first timer.. ,

Posted on Aug 31, 2010

  • 62 Answers

SOURCE: 1987 olds delta 88 royal

There are two possible things to check.The first being the ignition control module,and the other being the crankshaft position sensor.

Posted on Aug 08, 2009

SOURCE: my 1989 oldsmobile 88 royale wont start

Sounds like a good idea.

Charlie

Posted on Aug 20, 2009

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