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1995 Mercury Cougar Hesitation and high idle

Tiny
LUCDOGG
  • MEMBER
  • 1995 MERCURY COUGAR
  • 3.8L
  • V6
  • RWD
  • AUTOMATIC
  • 81,000 MILES
I have a 1995 Mercury Cougar XR7 3.8l V6. I am having hesitation when accelerating. I checked the code that was being thrown and it said TPS. Being that it was 30 bucks I went ahead and bought it. Well after replacing it I still had hesitation but now it idles at 2000 rpm. I disconnected the TPS and it drops back down to normal( about 750 rpm). I cleaned the throttle body, IACV, replaced the pcv. And checked for vacuum leaks and found none. I had also mistakenly adjusted the throttle stop screw any advice would be greatly appreciated.
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Friday, September 11th, 2015 AT 10:15 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes again and checkfuel pressure with a gauge auto parts rent it. Also if you didn't mark original positon of tps then it' may be out o f adjustment causing your problem.
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Saturday, September 12th, 2015 AT 5:29 AM

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