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Q: What should the Idle be on 2003 Pontiac Aztek

What should the Idle be at cold and at hot.
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In the morning the car is fine after about 15 miles if I come to a stop Idle drops to @550rpm the Low Oil precsure light comes on. I can idle the moter up to about 850rpm by the tac and light goes off. this only happens when wormed up.I had the oil pump replaced and the Oil sending switch yet I still have the problem. I'm thinking that I may need to replace the Motor. I need an estamate on putting in a used Motor.
Boycejohns, this vehicle is almost 14 years old. Are you attached to this vehicle? It might be time to look for another vehicle or repower it with another engine.
No I'm not attached what it is I work all over the US when I have a project to last 6 Months or more I will buy a used car to use for that project. When all the work is complete I will donate the vehicle to the Veterans.I do this for the Veteran or family of a veteran. I bought this one for $2,500 and $650.00 for R&R oil pump. I have 18 years military and I lost my son in law to the war in the Middle East last year. This is what makes me feel like I am helping. I will put a used motor in this car because I can't see donating a vehicle that can't be used. Any suggestions for a shop near Hartland MI. Thanks so much for listening.
First, I want to thank you and your son in law for your service and the sacrifice and sorrow that you must be going through the loss of your son in law.
On the matter of the vehicle. You need to seek out a shop that would be able to work with you on the cost of replacing an engine. If cost doesn't seem to be a problem than I would replace the engine. It's sad that you spent $650 and that didn't fix it. I would be more than happy to help you in this matter. I only have about 45+ years in this industry. Please contact me at
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