Vehicle make/model = GMC 4X4 SONOMA
Year = 1999
Mileage = 116000
Engine size = 4.3
dash lights = NO
codes = NO
work done to repair = IGNITION MODULE, NEW DISTRIBUTOR, TUNE UP
tech = JK
question = THIS VEHICLE WILL DRIVE BETWEEN 10 TO 40 MILES AND JUST SHUT
OFF. IT STARTS RIGHT BACK UP AND WILL DO THE SAME A LITTLE FURTHER DOWN
THE ROAD. ANY IDEAS?






JK:
Hello and welcome. A couple of things to look into. Make sure batt. connections are tight. May
sound silly, but people always forget to check that. Fuel pumps are a common failure on these
trucks, but usually give a stall then wont start for a while. Sounds to be electrical. Ignition
switches in the column are another common part to fail and give different elctrical problems. If
you remove the lower steering column panel just below the steering wheel, you can access the
ignition switch and harness. Try tapping on the switch when engine running to see that causes
any stumbling or stalling. Also wiggle that harness all the way down under the dash. It is a large
connector of 3 harnesses under the dr. lower dash panel. Have had several poor terminal
connections there.

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