1997 Ford Taurus Help!

NUNU44

MEMBER
1997 FORD TAURUS
6 CYL
AWD
AUTOMATIC
176,000 MILES

Hello I have a 1997 ford taurus my problem is when I turn on the car to heat it up its fine then suddenly my rpm needle goes all the way down to the zero and starts shaking so when I accelerate it goes back up to the one then does the same thing over again I really need help cant fine the problem!

3 Replies

BMRFIXIT

MECHANIC
19,053 POSTS

Check /clean idle air control valve
do u have check engine light on
and if so scan for codes

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Friday, December 5th, 2008 AT 7:12 PM

NUNU44

MEMBER
2 POSTS

No it doesn't show me no light no check engine light either how do I clean the idle air control valve? And if it still does the same thing after cleaning it?

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Saturday, December 6th, 2008 AT 7:05 PM

BMRFIXIT

MECHANIC
19,053 POSTS

1. Check Idle Air Control (IAC) Solenoid Resistance Turn ignition off. Disconnect IAC wiring harness connector. Connect DVOM positive lead to VPWR (White/Red wire) terminal of IAC solenoid wiring harness connector. Connect DVOM negative lead to IAC terminal. If resistance is 6-13 ohms, go to next step. If resistance is not 6-13 ohms, replace IAC valve assembly.
2. Check IAC Solenoid Internal Short To Case Turn ignition off. Measure resistance between each wiring harness connector terminal and IAC housing. If either resistance is less than 10,000 ohms, replace IAC solenoid assembly. If each resistance is 10,000 ohms or more, IAC solenoid is okay.
Remove and use carb cleaner and clean it
check for a vacuum leaks
Need a tool or a tester CHECK IT @
https://www.2carpros.com/affiliate/uid/bmrfixit_1
need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
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Saturday, December 6th, 2008 AT 9:18 PM