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Ask sprinkles08 Your Own Question
sprinkles08, ASE Certified Technician
Category: Jeep
Satisfied Customers: 21440
Experience:  Chrysler/Dodge/Jeep Master Certified, ASE Master and Advanced Certified, Trans and Hybrid Specialist
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1989 jeep wrangler has converison fuel injection and

Customer Question

1989 jeep wrangler has converison fuel injection and electronic ignition added on 4.2 vehicle has hesitation loss of power and vacumn guage drops to 0 starts good idles good timing right on and cannot be adjusted at dist. throttles good at normal speeds. when you push harder on pedal the problem occourds. you let up on throttle slightly and runs fine again
Submitted: 23 days ago.
Category: Jeep
Expert:  sprinkles08 replied 19 days ago.

Hello and welcome to JustAnswer!

It sounds as if you may have a fuel delivery issue. If it lacks power on acceleration and it comes back when you let off then poor fuel delivery is very suspect. Has fuel pressure been checked under a load when the problem is happening?

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