Question about 1994 Chevrolet Suburban
Posted by Anonymous on
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Posted on Jan 02, 2017
Than you problem solved by yourself already,
Dear you had done good job for your dream,
just some modification nedds like,
CHECK YOU ENGINE MOUNTINGS,OR THIGHTEN IT,
YOU HAVE TO ALSO CHECK YOUR PLACEMENTS ORDERS OF YOUR ENGINE THAT NOT TO BE CHENGED AFTER YOUT TRY.
Posted on May 20, 2008
SOURCE: truck stumbles just off idle
may need to have a fuel injection service,but when i worked at chevrolet i believe those year trucks were having a problem with the throttle body sticking
Posted on Nov 14, 2008
tune up is likely what you need from description
Posted on Jun 15, 2010
Testimonial: "thanks for replying, thats what I thought too, but I have another question, I just added more comments to the prior comments, please read. thanks again. "
The carbon on the spark plugs and black smoke coming out the tailpipe means you are running rich. (Too much fuel) this can becaused by anything from a bad Mass Airflow Sensor to a stuck injector to a leaking Fuel Pressure Regulator to a bad Upstream Oxygen sensor.
First, you need to check fault codes to see what the computer says the problem is. I would not be pouring injector cleaner in your vehicle unless you are absolutely certain the the cleaner you are using is going to be compatible with your fuel system. I've seen a lot of fuel system damage as a result of that.
In 2005 Chevrolet Avalanch had two different 5.3L engines one was flex fuel and the other was not.
The 8th digit in your VIN will tell you which engine you have. if it is a "T" it is standard gasoline and if it is "Z" it is a flex fuel engine.
There are several Technical Service Bulletins (TSB's) issued by GM for the fuel systems on BOTH of these engines. Depending on your engine type and the codes retrieved from the Engine Control Module, these TSB's may or may not apply to your problem.
Posted on Dec 02, 2010
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