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High idle?

Jason97GrandprixGT

Jason97GrandprixGT

New member
Can somebody tell me what cause the idle on my car to be so high. I replaced the maf, map, iac valve, the entire air intake, the ICM and coil packs, spark plugs and wires, the ICM, fuel filter, fuel pump. So I'm not understanding why it's not running normally

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vac leak or the tb is filthy dirty.

being na, pull the vac line off the fpr on the fuel rail, sniff the vac line for gas, or if gas comes out of the line the fpr is bad.
 


Pull the TB off and clean it. There's 3 bolts holding it on. I'm betting it's blacker than black inside. Be sure to take the mesh screen off and MAF sensor out when you clean it. Also a little coolant will come out to.
 
SubwayBrat said:
Pull the TB off and clean it. There's 3 bolts holding it on. I'm betting it's blacker than black inside. Be sure to take the mesh screen off and MAF sensor out when you clean it. Also a little coolant will come out to.
Click to expand...
What should I use to clean the throttle body

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You may also want to unhook the throttle and cruise cables, start it up.. if it runs normally you should adjust the cabling on top of the strut tower. I've seen it move when people are working on the car and somehow that allows it to put pressure on the throttle, which keeps it open,.
 


BillBoost37 said:
You may also want to unhook the throttle and cruise cables, start it up.. if it runs normally you should adjust the cabling on top of the strut tower. I've seen it move when people are working on the car and somehow that allows it to put pressure on the throttle, which keeps it open,.
Click to expand...
If I start the car up with the maf plugged then unplug it after it starts. And the car don't die. What do that mean

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means your maf is crap, get a oem one used from a junk yard, or pony up for delco maf.


you just learned how aftermarket mafs dont work.
 
you dont unplug it car running....pay attention.


car off, un plug it, start it, if it runs better unplugged the maf is crapped out.


dont try to plug it in car running either, your just confusing the computer.
 


and in one of your many threads your check engine light never lit up? was that you? ( why you dont start 10 threads for the same issue)

if thats you did you ever get it scanned for codes?
 
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