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post #1 of (permalink) Old 03-13-2000, 08:21 AM
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Intermittent Sputtering Problem

1988 Suzuki Samurai

Problem
- every once and a while I will get sputtering/choking from my Suzuke
- I press on the gas and the truck tries to stall out, I ease off the gas and the engine comes back to regular idle
- to fix the problem I just turn off the car and turn it back on
- has happened twice in the last week
- once while trail riding after going through water and the other after a early morning start 3 days later (temp. -10 C that morning)


Any ideas?
Thanks!

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post #2 of (permalink) Old 03-13-2000, 10:29 AM
JKing
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Re: Intermittent Sputtering Problem

water in fuel? i once had this probelm. i drained the fuel tank and put in fresh fuel with a can of carb
leaner and solved the problem. you could also try some isopropyl alcohol in place of the carb cleaner as the
alcohol will mix with the water and burn off. about a quart of alcohol with a full tank of fuel will do.

that's what i did to my zuk and it worked but do it at your own risk. just a safe note as i do not want you
to blame me if anything goes wrong.

good luck


JKing
Malaysia
post #3 of (permalink) Old 03-17-2000, 01:39 AM
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Re: Intermittent Sputtering Problem

I read your original post and noticed it is cold at your location. Is your engine warming up to normal temp? Running below
desired temperature can cause computers to run the carburetor rich on some cars. When a running engine is turned off the
temperature even in cold weather goes high for a short while because water pump is not moving water.
Some strange things can happen with temprature changes.
Bad grounds can mess with the computer.
Ignition modules can develop heat related problems.
Was thinking of low fuel pressure and vapor lock but not at -10C.

Chunks of rubber in the float bowl can cause intermittent problem.
Bad timing advance can cause mid RPM problems. Don't know that it would come and go.
Cam timing off one tooth can cause mid range miss. Had that happen at about 65 MPH.

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post #4 of (permalink) Old 03-17-2000, 03:44 AM
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Re: Intermittent Sputtering Problem

Suzuki Motor Samurai 87-88
ECM computer feedback system test, check OK?


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