1993 GMC Sonoma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 GMC Sonoma

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1993 GMC Sonoma Problems

Serpentine Belt Tensioner May Fail

The serpentine belt tensioner can fail; it may become noisy and/or the belt may jump off. Replacement of the failed tensioner will be necessary.

Check Engine Light/Rough Idle Due to Stuck Open EGR Valve

The EGR valve may stick open causing a rough idle and the Check Engine Light light to illuminate. Our technicians tell us that a piece of carbon may become stuck in the valve causing this problem. Cleaning the valve will usually correct this condition, in some rare cases the valve will need to be replaced.

Oil-soaked spark plug wire rubber boots can cause misfire or rough idle

The spark plug wire rubber boots may get soaked with oil, causing a misfire or rough idle.

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1993 GMC Sonoma Questions

Why does my AC only blow on my feet after having the truck in the shop? (1 answer)

While in the shop they replaced my distributor, dist cap, rotor button, coil, plugwires, starter and intake manifold gasket.

Where do you connect a tachometer to check the Revolutions Per Minute at an idle (2 answers)

I have replaced the throttle body and need to verify engine speed

how do you adjust the clutch where is the bleed valve or screw (1 answer)

it doesnt happen a lot i forgot to check the fluid

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1993 GMC Sonoma Recalls

Recall 99V193000
VEHICLE DESCRIPTION: CERTAIN 4-WHEEL DRIVE PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH ABS (ANTILOCK BRAKING SYSTEM) MANUFACTURED FROM SEPTEMBER 1989 THROUGH AUGUST 1996. UNDER CERTAIN DRIVING CONDITIONS THE SWITCH WHICH SIGNALS THE ABS SYSTEM WHETHER THE VEHICLE IS IN 2-WHEEL OR 4-...
Recall 94V093000
SIGNIFICANT WEAR CAN DEVELOP ON THE LOW AND REVERSE CLUTCH PREVENTING THE PARK PAWL FROM ENGAGING. THIS CAN PREVENT A "NO PARK" CONDITION TO OCCUR WHILE THE ENGINE IS RUNNING, CAUSING UNINTENTIONAL MOVEMENT OF THE VEHICLE WITHOUT OPERATOR ACTION. (THE "NO PARK" CONDITION WILL NOT OCCUR WHILE THE ...

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