Question about 1999 Chevrolet Silverado 1500
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Posted on Jan 02, 2017
Your catalytic converter is plugged up,
If you check the exhaust output at the tailpipe you will find it restricted.
Let me know if I can assist further.
Posted on May 08, 2009
The most probable cause is air in the system. If all fans kick on then it can only be air in the system or problem would accure when driving too. A pocket of air will cause a small vortex and it take far more pressure to get anything around it. Like fluid. To burp the system....when your car is cooled off, remove the radiator cap and then start it up....it will push all the air out the top and you will see bubbles and maybe even some fluid shoot out. Just make sure you add back to correct levels when all done. This running process has taken me as long as 30 mins to get all the way out. Its easy and free but DO keep an eye on the temp guage while the cars just idealing to get the air out.
Posted on Oct 24, 2009
SOURCE: truck won't crank & run when hot
The PMD ( pump mounted driver) black box on the side of the injection pump is shutting down when it gets hot, Best to replace entire injection pump for warranty purposes> repair should be made by qualified diesel mechanic as the **** timing has to be set with scan tool after replacement
Posted on Jan 31, 2010
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