98 serria starts fine at times . Then some times it will have a hard start or it will start and cut off.
Is it typically cold weather when this happens? If it is it could be a bad cold air sensor. I had an 86 BMW that would do the same thing and I had to rev the engine until it warmed up.
not just cold weather,i have went to store,came out started cut off. restarted and ran fine,
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