Showing the check engine on at all times when driving the car.
Wednesday, February 8th, 2017 AT 3:21 AM
3 Replies
STEVE W.
MECHANIC
13,573 POSTS
If you mean the CEL is on while the engine is running then you need to use a scan tool to read the codes and determine from those what the problem actually is. Keep in mind that it is very rare that a code actually points to an actual bad part.
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Wednesday, February 8th, 2017 AT 4:00 AM
COYUGI
MEMBER
2 POSTS
The mechanic doesn't know how to programme the Diagnoser kit.
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Thursday, February 9th, 2017 AT 1:16 AM
SATURNTECH9
MECHANIC
30,869 POSTS
If the mechanic doesn't know how to read codes even you really need to find someone that knows what there doing to work on your car.Getting the codes out of the computer is a very basic step and starting point for the check engine light being on.