1993 ford ranger runs rough | Ford Explorer Forums - Serious Explorations

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1993 ford ranger runs rough

Joined
December 3, 2009
Messages
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City, State
ggarden City, MI
Year, Model & Trim Level
1993 Ford Ranger
i have a 1993 ford ranger xlt 150,000 miles 4 cylinder 5 speed 2wd and almost everyday after 15mins of driving my check engine light come on but when i get to a auto parts store as soon as i turn it off it wont come back on sometimes it blinks twice then goes away but if i drive it more it will come back. Problem is it idles rough and runs rough. but i cant catch the code ive replaces spark plugs, plug wires, fuel pressure regulator, new exhaust, oil changes, air filter, sending unit and fuel pump, fuel filter, has good fuel pressure. anyone have any ideas?
 






Have you had your oxygen sensor checked or replaced?
 






is there a to test that? Or to test the iac?
 






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