Question about 2002 Chevrolet Malibu
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Chevy 2002 Malibu ERG valve
Symptoms of a bad EGR valve are usually stumbling idle or the engine stalling when the car is warm (normal operating temperature). Find the EGR valve and locate the vacuum line attached to it. Start the engine cold and wait for it to warm up. When the engine starts to stumble, pull off the vacuum line. If the EGR is bad, the engine idle will stabilize and no longer stumble.
Posted on May 25, 2010
SOURCE: check engine light is on
Go to Autozone or Oreillys for a free scan. The scanner will tell you exactly what is wrong. Now sometimes a Code will show a problem in the Purge system and its just a loose gascap. But other times it can be a small leak in a vent hose.
The Autoparts people can help you find the problem and sell you some of the parts to correct it. After you add a new part you need to clear the onboard computer with a scanner or unhook the NEG cable for 10 minutes.
Posted on Sep 05, 2010
In the rear up high near fuel tank or along frame rail,
among the EVAP System Components
Need a diagram of system to find & test components
Really need a scan tool & EVAP Smoke machine,
to test & find out, if you have anything that doesn't work
I assume you know codes do not tell you what is wrong
or what to replace,vehicles do not self diagnose themselves
and likely never will
Posted on Jun 14, 2011
the purge valve doesn't have anything to do with the EGR so I don't know what you want? there should be a black plastic line with a green cap on it, follow that line to the purge valve near the intake manifold.
Posted on Aug 26, 2011
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