94 Ranger low power?? - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 09-01-2011
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94 Ranger low power??

I just purchased this 94 Ranger 4x4 4 Lit, c/w 5 spd and it seems to be very gutless. I changed the fuel filter, air filter and spark plugs which didn't seem to make much difference. There is no service engine light on so i am assuming an OBD2 reader would not lead me anywhere, any suggestions?????
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Old 09-01-2011
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94 is OBDI
https://www.ranger-forums.com/ranger-forums-office-13/i-think-we-need-glossary-trouble-codes-58160/
Here's the link to pulling the codes.The CEL does not have to be on for a code to be stored.
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Old 09-01-2011
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i bet you have 3.27 gears in your truck whats the axle code on the drive door say
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Old 09-03-2011
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It's an R6 code which I believe is a 3.73
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Old 09-03-2011
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Thank you! I will give this a try, I didn't realize OBD2 wasn't in use till 96.
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Old 09-03-2011
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you would be correct you have 3.73s
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Old 09-03-2011
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Compression check
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