Question about 1990 Suzuki Samurai

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1990 suzuki sierra - stalling,

Had a problem with revs dropping whilst driving and almost stalling but never actually did stall. Had the car serviced and was told Vacuum advance unit needed replacing did that and it appeared to work for a day or so. Took for a long drive and car started stalling, was told a fuel jet on carby blocked. Had a mechanic look at it and clean out carby but still stalling intermittently. Have been advised to have carby reconditioned. before spending a lot of money on this any other ideas as to what the cause could be. The mechanic who looked at the carby now thinks that maybe it could be something to do with the accellerator pump? Sometimes the car runs perfectly, other times it doesn't. Other possibilities are the Choke?, Leads to coil? No one seems to be able to find the fault do you have any ideas. Also recently fitted a Snorkel could this affect anything.

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  • pdgocolay Jan 11, 2009

    same thing with my sierra. vacuum sensors are deffective. had them replaced but the car still stalls sometimes.

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Yes your snorkel should have the right size for air to come-in, hope you have the right diameter, but snorkels will not seriously affect your vehicle substantially.
It could be that your fuel system is dirty. I would go for having those carbs cleaned but before you do this, I would advise you to clean your gasoline tank of rusts, water then blow those fuel lines with air to declog, change your fuel filters, if you do a lot of offroading, put two(2) fuel filters, first filter goes just above the gas tank, beside the chassis, the second will be place before your fuel pump, inside your engine compartment. have those fuel pumps cleaned too, check for leaks and moistures on your fuel hose and lines. if you have done all these, and nothing happened, check for strong sparks on your plugs, it could be that they ready fouled up.and check on your igniton coil,

Posted on Nov 24, 2008

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