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What problems can an EGR valve cause?
it will cause pinging running your combustion hotter
Can a bad EGR valve cause high hydrocarbons?
Yes, the EGR valve, or port EGR
Could it be a bad EGR valve if your 1998 Sierra hesitates under partial load and you have changed the air cleaner spark plugs and wires?
No, a bad EGR valve would cause pinging at driving speeds or stalling at idle. Have you checked the distributor cap? Fuel filter?
How does the car know the EGR valve is bad?
If the egr valve was stuck open, the engine wouldn't idle. If the egr valve was stuck closed you may hear excessive pinging (spark knock) and in most vehicles, the check engine light would illuminate.
Where is the egr valve on the 91 Pontiac Grand Am?
Would this cause the car not to start If the EGR VALVE is bad
What are the symptoms of a bad EGR valve in a 2000 Saturn SL?
A bad EGR valve in a 2000 Saturn can have several symptoms. The EGR valve can cause misfires, the valve can cause vacuum leak style problems. There could also be an engine knock.
Can a catalytic converter cause the EGR valve to go bad?
No, the catalytic converter is downstream from the EGR valve so it has no effect on it.
Will bad egr valve cause vehicle to stall in hot weather?
Even a good EGR valve may cause an engine to stall in hot weather.
Will a bad egr valve cause check engine light to come on?
It can.
Will a bad egr valve cause a motor to burn oil?
yes
Could a bad egr valve in a Chevy cause the engine not to restart after it has been running?
A bad EGR valve should not cause the engine to not start. There is most likely another problem that is causing the engine to not start.
Can a bad egr valve cause your check engine light to flash?
Yes it can if it is bad you will see the cel
