car wont run right... need help FAST!!!

suprafanatic

suprafanatic

New Member
May 25, 2007
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Greenwood, IN
ya well i was burping the coolant system the other day,, and it was either coolant or water that i used to clean up with got in there... i just went out and looked agian and there was still some water or some liquid in the #6 spark plug hole.. im going to go run the car and see if it still has the problem... and as far as the tps.. i have no clue what to do with that..lol
 
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dbsupra90

toonar
Apr 1, 2005
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indiucky
water in any of the spark plug holes will cause a misfire and run poorly. doesnt explain the tps code tho. that sounds like a seperate issue.
 
sneakypete

sneakypete

Regular Member
Jul 18, 2007
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Central NJ
check again for water after you drive the car a little bit. if it accumulates again check that hose behind the head between the firewall and the #6 cylinder. often that hose deforms from the heat of the head and could rupture, which could be the cause of water in that spark plug hole. if that hose is okay there problem might be a more serious problem to be addressed.
 
sneakypete

sneakypete

Regular Member
Jul 18, 2007
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Central NJ
oh and to inspect your tps follow the procedure here http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=FI&Page=101
youll need a good set of feeler gages and an analog or digital multimeter (analog recommended)
it makes it a little easier to do this if you remove the throttle body. also get someone to help you because its a pain in the ass to hold to voltmeter when using the feeler gage.
check the reading first before you go adjusting anything. compare them to the tsrm readings. if yours are off you might have to make adjustments.
 
Burntz

Burntz

Sold the Supra
Apr 20, 2007
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Nebraska
it sounds to me like you need to fix your TPS. The symptoms you get sound exactly like a bad TPS or one that isnt adjusted.
 
suprafanatic

suprafanatic

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May 25, 2007
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Greenwood, IN
ok... one thing some times my car doesn't start and i have to jiggle the fuel pump relay around.. its never been like this before... could the fuel pump relay be causing my problem?
 
suprafanatic

suprafanatic

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May 25, 2007
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Greenwood, IN
OK.. IM ALMOST 98% I FOUND THE PROBLEM!! i was wrong it wasnt the fuel pump relay.... car wouldnt start and i messed with the wiring on the CPS and then it finaly started.. while the car was running i jiggled the CPS wires alittle and it idle'd like crap then died...and my car has been idling bad when it drives... does it sound to you guys like the CPS could be causing the problem??
 
sneakypete

sneakypete

Regular Member
Jul 18, 2007
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Central NJ
you posted 9 times in 3.5 hours on your own thread without following anyones suggestions. luckily for you, you found the problem.
you'll most likely need to rewire the connector that goes to the cps. usually its the connector on the cps side... but check the wiring harness connector as well.
 
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