I have a 99olds 88. it wont crank on the first turn but it will start on the crank. I change my spark plugs and wires . Put a new fuel filter on it and just put a fuel pump on in Oct.16, Now when its

Asked by Mar 10, 2017 at 12:56 PM about the 1999 Oldsmobile Eighty-Eight 4 Dr LS Sedan

Question type: Maintenance & Repair

when its cranked it runs good for a while than it starts puttering like its going
to cut off. I have to keep pumping the gas pedal for it to go.One time it just
would not go any further and died out. But when it sat a while it crunk right
up.Do you think its the coil pack?

4 Answers

76,295

Could be a weak spark, just take the coil pack off and have it tested at an auto parts store. Also you could check the spark, see what it looks like, it should be a white or blueish in color, not orange in color.

I just had an error code on mine this past summer for number one coil pack it wasn't my pack is a bad wire but I had to check engine light come on for that all that on these cars you're still annoyed your plugs are cylinders anything in there should trigger an error code on your check engine light take the mass airflow sensor out get you some mass air flow cleaner from the parts store and clean it out

The mass airflow sensor on the intake side is very sensitive on these cars I've had a dirty mass air flow sensor shut me down at a stoplight then I got going and then I'm going down 465 around Indianapolis and it shut me down running 70 miles an hour I got this cleaner I cleaned all my sensors on the intake side and all my sensors on the exhaust side that's all it was no new parts I just need to cleaned the tolerances are very tight this is now routine maintenance like changing oil for me twice a year Bates Illinois and sensors under your hood on the top side twice a year before winter and before summer I take every one of them out and thoroughly clean them with the appropriate cleaner for Plastics and electrical and that little PCV valve that $5 part that everybody always forgets on the passenger side exhaust side of the manifold stick straight up it's got one connection you twist it pop it out a little valve sits down in there that's not your problem but it's important those get dirty and you start burning oil not so much bar in it but your oil consumption will go up don't even mess with cleaning those just buy a new one for five bucks

1,645

take your automobile to your local shop and have them diagnose the cause of the malfunctioning motor

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