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kevin 2/3/2013
1998 Chevrolet S10 Base 6 Cyl 4.3L - Engine
175000 miles 1998 s 15 With 4.3 6cyl Truck surges high and low engine speed still runs but rough four wheel drive works
The truck was running fine yesterday and then started running rough
1 Answer
  • HouseCallAuto
    HouseCallAuto 2/3/2013
    Read fault codes with a code reader and repost. Check fuel pressure with engine running with a fuel pressure gauge. Should have 60+ minimum pressure.

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