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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

When cold will not stay running?

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Old Mar 4, 2014 | 03:14 PM
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Andy Sullivan's Avatar
Andy Sullivan
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From: Ridgely, Maryland
When cold will not stay running?

I have a 87 Mercury Cougar XR7 with a 302, 180,000 miles, I have replaced alot of parts to date. When she warms up she will stay running but when cold will not stay running. Do you think the O2s are bad I replaced them about 3 years ago. The car has dual exhaust with intake been running great for years, had the car for 14 years. The car has some slug to it when you press the pedal but give it some more pedal it will snap out it. I replaced plugs, wires ,cap, coil, dizy with module, tab and tad, air charge sensor, air/ idle solenoid, throttle sensor, FPR, fuel pump, fuel filter. As soon as the snow melts off of her I am going to pull some codes. Any help would be great Thank You
 
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