95 Cougar, 4.6 V8, 120,000 miles
My check engine light came on after the car had just been sitting for a
couple of weeks. I got Auto Zone to read the code, which turned out to
be something about the EGR valve. Does this actually mean the valve
itself is bad, or just that a sensor SAYS it is bad? How would I
diagnose / repair this - it is making the car run kinda rough.
I have located the EGR, it is conveniently located behind the intake
crammed into a tiny space against the firewall. I am really hoping I
don't have to remove it : )
Congrats on recognizing the difference.. you are right, it MAY be a sensor
You may not have to remove it... but you ARE going to have to go back and
have the codes read out again. and bring us the actual code
Perhaps a different autozone if that would bother you.
Yeh, I'm a Krusty old Geezer, and I always liked chicks who worked on cars.
I'm sure that's what the AZ person told you, correct? Sure they only
run about $60 to $80 retail. Then the light stays on and now it's
probably the solenoid, no biggie, just fork over another ~$49. And so
on... it's no wonder AZ does this for free.
In your circumstances, short of using a dealership or indy mechanic,
the only way to find out for sure the problem is to get the exact
codes, google them or post them here. It could be a number of
different issues with the EGR system on your vehicle, a bad solenoid,
cruddy pintle, vacuum line, backpressure sensor or transducer... take
your pick if you dare, otherwise post the exact code and we'll do our
best to debate the cause.
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