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car still running bad, got some sensor value ?s

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this is proberly a stupid question, but someone mentioned that the CTS should read in "C" not "F" ... My turbo link gives me a reading at say 167F. How do i get it to read in "C"....


paul
 
one thing everbody is over looking ran fine untill topped of gas tank . strange .drain tank try fresh fuel .hey look at obvious first .just a thought .nothing else seems to be working .just trying to help good luck
 
speedfreakv6 said:
one thing everbody is over looking ran fine untill topped of gas tank . strange .drain tank try fresh fuel .hey look at obvious first .just a thought .nothing else seems to be working .just trying to help good luck

Quote:
Originally Posted by HOTSIX
That a simple one. Just feel the hoses when the car is warmed up to temp....if they are hot to the touch - bingo its 160 deg - if not so much...gotta be F. Compare it to a 76 deg day....u know how warm (not hot) that is. My guess is that it cant be F - if so - give us your secret and we will all run that cool !!

As posted by Boostmaster:
This is a long shot, but there may be a possibilty of a leaky fuel injector also causing rich mixture. To check it do a leak down test, turn the ignition on let the fuel pressure come up and then turn the switch off. Watch the gauge and see if it holds pressure for at least 15-20 min. Pressure should not drop anymore than 10 psi.

Did you try this ?

What about the MAF - u stated earlier that you disconnected it and it ran better right ? Its possible that if u swaped it with a known good one - it was not. Try another swap maybe.

Also - id be curious of the gas - maybe try and drain the tank with the green wire to POS (on the harness close to the coilpack) and try some fresh stuff. If for not other reason - to eliminate that.

Other things to consider - coilpack / module - have them tested to ensure they are good. Bad plug(s) - possible but less likely.....


my injectors only have about 150 miles on them MAX. they should be good. however, i will do the pressure test to see if they are leaking

i disconnected my MAF, and the problem didnt go away (in fact the car actually stalled out). the only way i can truely test it is if i order another sensor, and thats kinda pricey. id like to troubleshoot some more and narrow things down abit before i drop that kinda money on a sensor that may or may not be the problem

i did drain the tank and refilled it and got no improvement

im also thinking possible coilpack/module... but there just as pricey as the MAF deal, so i want to test a few more things before i spend that kind of $$ on a guess

thanks for the help/suggestions guys. ill keep you updated if i make any progress

:)
 
just an update... i havent had any time lately to continue to troubleshoot this car, as ive been wrenching on my girlfriends Sunfire trying to fix a hesitation problem with that. luckily i found the problem alot easier than with my Buick and she is back on the road. this coming Sunday ill be getting some more hotair dirt on my hands. hopefully i can either fix the problem or narrow it down a bit more

BTW- as mentioned before, i did drain the tank and refill it with no change. something happened to the car at the gas station though, i just havent figured out what it is yet
 
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