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bix409 01-03-2013 11:00 AM

engine idles high or wants to stall
I have an 02 1500 with a 360 that idles either around 1500 to 2200 rpm or wants to stall. put a IAC in it but still all over the place. checked for vac leaks to no avail. I put a TPS in it a year ago that stoped the shifting issue but this about has me beat. Could it be a MAF sensor or dirty throtle body? Any tips?

RamTech 01-03-2013 02:33 PM

You don't have a MAF sensor in your truck. This could be an internal vacuum leak caused by a blown plenum pan gasket. How did you check for an external vacuum leak?

bix409 01-03-2013 04:04 PM

high idle
I checked for any broken or loose hoses. Then sprayed carb cleaner at anything suspect. Problem is it wasnt running poorly at the time i did it and i heard no differences. I ment MAP sensor not MAF sensor sorry. I want to rule out whatever i can maybe even get a new TPS. Also i have been smelling coolant but no leaks found. Not sure if a intake gasket would have anything to do with it. No loss of power.

major324 01-03-2013 10:22 PM

A widely passed over vaccum leak is the brake booster and also the intake pan gasket as it is so common with these engines and I would start by checking your voltage both in and out of your TPS as it would help rule it out. It can get pretty expensive randomly changing sensors.

Crca32 04-08-2013 02:27 AM

Did find out was what going on my does the same thing

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