Question about 1995 Jeep Wrangler

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My 95 wrangler I think has a vapor lock does anyone have any suggestions on how to fix it?

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wrang97

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That's a similar problem I was originally chasing. Turns out my battery was sliding into the computer wiring harness disrupting sensor / injector input and output signals. I cured my problem by placing a 1" spacer on rear battery clamp pushing the battery forward, and this cured my problem. Also may or may not relate, my vacuum canister was completely full of crud (replaced) and the line leading to the carb was cracked (vacuum problem). Also my jeep would lurch/buck and such after a 20 min cool down for a couple of seconds then stop. I traced this to a bad o2 sensor in exhaust manifold.

Posted on Jul 01, 2015

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Its just a guess. sure. heard this years ago , before 1988?
sure.
but is not now. the tank has the pump and runs up to 60psi pressure
preventing vapor lock.
why not post the symptoms and let skilled diagnosis win?
my wild guess.
engine stalls?
or engine bogs (lost power up hills)
what?
ever get a 60k mile tuneup? eva?

Posted on Apr 12, 2015

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con_fuse9

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Vapor lock is something for carberated cars. Modern fuel injected cars have fuel pump in the tank and the whole fuel system is pressurized.

Why do you think you have vapor lock?

Posted on Apr 09, 2015

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alicantecoli

Colin Stickland

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SOURCE: My 1993 jeep wrangler have

undo the fuel filler cap and see what happens

Posted on Oct 05, 2010

Bill Boyd

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SOURCE: fix vapor lock

If an EFI model the run the fault codes and fix the faulty valves and solenoids . If a carby model the re- route the fuel lines away from any heat source. Put a fibre gasket and heat block ( bakelite material that does not conduct heat up from the manifold) under the carby to manifold and if all else fails put a small filter in the line before the carby

Posted on Dec 15, 2013

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Vapor lock goes back 35 years to carburators and road race cars.
Do you ever get a Mil Light on dash or stored codes?
What tests were done to warrant O2 Sensors?
Did you have any overheating issues,or just thinking so?
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