Question about 1998 Chevrolet Tahoe
My Tahoe has been having problems starting on cold mornings. It cranks, but there is no fire. The past couple of days it would start, but only after turning over more than a few times. No it doesn't fire at all. Is this a Ignition Control Module problem?
I had a similar problem and took my 98 Tahoe to several shops before it was fixed. The fix only came as a result of my own research and persistence in trying to solve the problem. After the engine starts and runs for a short time, try turning the engine off and then restarting it after about 10-15 seconds. See if it starts up with no problem. If so, let it run for a short time, and turn it off again. This time, let it rest for about 10-15 minutes before trying to restart it. If the problem is present, and hard starting is obvious, have the fuel pressure regulator valve checked, as well as the fuel pump. The regulator valve looks like a 15 cent part in a plastic bag, but is a real headache to change. I am not a mechanic, but I was told by my mechanic that it sits down behind the carburetor and everything on the top of the engine has to come apart to get to it. It seems that if the valve goes bad, the fuel that remains in the fuel line, which is ready to feed the injectors, trickles back into the tank, and the head pressure is lost. The hard start is caused since you have to prime the system all over again after the car has sat idle for a awhile. The fuel pump may be fine, but in my case, it also was not helping to maintain the fuel in the line, and it completed the failure cycle by allowing the fuel to drain back into the tank. Either you or your mechanic may be able to make a few tests for this problem. It drove me up a wall for about six months until I finally forced the issue, and proved my point to my mechanic. Good luck
Posted on Dec 04, 2008
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Posted on Jan 02, 2017
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