Question about 1998 Oldsmobile Silhouette

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1998 olds silhouette hard to start in cold weather

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  • Oldsmobile Master
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I suspect your car doesn't have a choke if it is EFI.

I'd suspect a faulty coolant temp sensor unit, which is not telling the ECU that the engine is cold.

Some EFI cars have an extra injector called a cold start injector. If fitted this could be faulty.

In both the above cases there may be an ECU trouble code you can read out. In the US Autozone will do this for you.

In the old days the classic cause of hard starting was always faulty engine timing. If your car has a timing belt and it is worn, it may have jumped a tooth or 2., but this is uncommon.

Posted on Dec 27, 2016

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  • Oldsmobile Master
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Maybe automatic choke sticking

Posted on Dec 27, 2016

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