Question about 1991 Ford Explorer

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Lack of power

Will not go past 2000 rpm

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Sounds like your catalytic converter could be stoped up or your timing may be off a little also check all your vacuum hoses

Posted on Nov 18, 2012

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Posted on Jan 02, 2017

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your problem seems very easy :) hope this one work with your envoy. Just buy AC DELCO carburetor tune-up conditioner.

How you use it: engine running , AC off please

1. detached the big black airflow hose which is attached in the mannifold of the engine block.

2. ask your friend to step on the gas pedal and set the rpm steady in 2000 rpm only.

3. then spray vigorously in 8 seconds the inside circle opening of mannifold while your friend steady step on gas pedal with steady 2000 RPM only.

4. after you spray, let your freind continue on gas pedal with 2000 rpm for 15 more seconds.

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