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Cadillac Repair/air control value rpms going high
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Question
had car repaired not a caddy dealer. rpms go up sometimes. mech put new idle air control value $140.00 10/18/10 now its starting to do it again. not all the time. we have to shut off and restart several times. it doesnt do it all the time. is the park defective? should I take it back
Hello,
Intermittent problems are the worst to try to fix and in many cases involve guess work.
As for a non-Caddy technician, I would not diminish his expertise. Chances are real good that if you went to the dealer, you would have the same problem, but would have paid much more.
Depending on your tech's availability of tsbs and service bulletins (most non-Caddy techs have such access)is the only possible difference and he may even have the GM Tech II scanner the dealers do.
I have 11 years working for GM dealers and I was not impressed. There were electrical/electronic problems the dealers could not fix and they would send the cars to our shop for repair.
You are dealing with a symptom that may require more than one component needing replacement.
Personally, I refused to work with intermittent problems because I saw others live with the cars.
It is possible it needed the idle control valve and obviously everyone thought the problem was fixed and now at times it rears its ugly head.
You can contact the tech and see if he might have any other ideas.
You may end up waiting until the problem is constant until it can get repaired. I realize it is frustrating, but it can get more frustrating throwing money at the car as well.
It is always possible the part could be bad because they are mass produced in Canada, China and Mexico and you need to speak with the tech about this.
See if you can nail down a pattern when this event is happening. Are you driving the car 10 miles and the problem occurs? Does it happen only with the A/C on, etc.?
See if you canm come up with a constant where the tech can replicate it. Unless you can nail they symptom down and it is no longer "sometimes" the car is not going to get fixed,
Good luck and let me know what happens,
http://www.autotheftexpert.com
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Rob Painter
Expertise
Alarm system questions cannot be answered on this forum. These systems are not what I can answer. Without being physically at the vehicle and not knowing what kind of electrical service has been done on the vehicle, there is no possible way to give an accurate answer over the internet. My expertise is in Ignition/key based anti-theft systems. These issues include GM VATS (resistor chip in key blade) PASSLOCK (MRD)-ignition lock rotation based, no special ignition key and the PKIII Transponder (computer chip in key) systems. These systems are not alarm based and are integral with the starting of the engine. This is why I cannot diagnose alarm problems without physically looking at the vehicle: Alarm systems are a completely different annimal than ignition key/lock based anti-theft system. Many alarm questions come from vehicles 10 years old, and since older, many hands that had been involved over the years.I am an expert in all GM factory (ignition/key based)systems. Alarm system questions pose to many situations beyond my knowledge as to what has been done to the vehicle over the years. Some guy may have actually wired the stereo into the alarm system. Who knows? Over my past 30 years in vehicle wiring repair, I have seen unbelievable wiring disaters done by guys that consider themselves "mechanics." I have seen stereos and alarms intalled using surgical tape. I have seen modules burn up, un-fused circuits, wiring jambed between the doors and even lamp cord used for a starter kill. To answer alarm questions over the internet without examining the vehicle is like asking; What does it take to remove a dent?
Experience
Education/Credentials-ASE certified. 11 years with a GM dealer and 17 years with a repair facility dealing with only the repair of theft recovered vehicles.
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