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That depends on what failure caused the code. Certain failures can cause a safe mode, that would reduce performance to prevent further damage to the engine, exhaust , or trans systems.
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Check engine light stays on what causes it?
The Check Engine Light (CEL) lights up when the Engine Control Module (ECM) detects a problem related to emissions or performance.
Will installing a thermostat backwards make problems with check engine light?
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.
My check engine restricted performance light comes on interminently is there a concern?
Yes, the check engine light is coming on for a reason. You need to take your vehicle into a service center.
How do you know if a egr valve is bad?
Depending on the vehicle the check engine light would illuminate.
What are the symptoms of a bad ecm?
A check engine light, poor performance and in some cases no start.
Will a bad speed sensor cause bad transmission performance and check engine light to come on?
It should...
What caused my 2001 Chevy Tahoe check engine light to come on?
An emission or performance problem will cause the Check Engine Light to illuminate. You can take your vehicle to Auto Zone and have the computer scanned for trouble codes. There is no charge.
What is the dashboard light on mondeo zetec that resebles an engine?
That is the check engine light.That is the check engine light.
Check engine light with a p0341 code?
Trouble code P0341 means:Camshaft position circuit range/performance
Is it bad to hollow out a catalytic converter?
Yes, illegal, will not help performance, will cause check engine light to come on, ................
Is the check engine oil light the same as the check engine light?
No, oil level does not cause the check engine light.
Not check engine service engine light?
The service engine light is the same thing as a check engine light.
