Question about 1999 Chevrolet Silverado 1500
Greetings, I have a 1999 Chevy Silverado 4x4 5.3l AT. It has a K&N cold air intake and filter on it as well.
The truck runs well but has an issue starting for about 1 to 2 hours after you stop it. You can smell fuel vapors in the intake and in order to restart it you need to press the pedal half way to get it to go. I am fairly sure its running rich, but I have no experience with the newer fuel and emission control systems to be able to nail it down. There are no codes/engine check lights. I changed the MAF and the spark plugs. I had the injectors and fuel system cleaned with a professional B&G system. It started and ran very well for a few days after the cleaning then back to the same hard starts after running. SO now I am thinking O2 sensors.
Any help is most appreciated.
First check your air filter, and change if needed. Check your engine ground connection. Check for loose connections in the ignition sysem. Check your idle control system/ sensor. Good luck, and let me know what happens.
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
SOURCE: 2004 Audi A4 3L won't start
the problem is not the relay switch the problem to me sounds like the fuel filter needs to be replaced so i wouldnt be messing with the relay switch because the relay switch would be harder to replace.
Posted on Aug 19, 2008
4JX1 diesel engine has a belt . 4JGE is a different engine completely. To change it set #1 on tdc fireing stroke using the mark on the back lip of the crank pulley (sit it at 12'oclock) and see the mark on the camshaft bearing matches the notch on the pulley .Ignore the marks on the lower belt pulley.
Tensioner and cover removal/replacement is standard and the chnage period is 60,000 miles.
Posted on Dec 20, 2009
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