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1991 GMC Sonoma Questions & Answers
1991 Sonoma (GMC). I need to replace the ignition
You don't have to remove the steering wheel. Just lower the steering column and remove the shrouds. Call your local library and ask if they have either alldata or mitchell on demand shop manuals in digital format. Then print out the instructions. If not, buy a short subscription to alldatadiy.com or eautorepair.net
I have a 1991 GMC
very good point so now you should be going to an accredited service center with experience on your make of vehicle googling the fault codes give s the result
code 22 indicates that the throttle position (TPS) is reading abnormally low TPS voltage should be .42 volts at closed throttle rising smoothly .02 v increments to a max voltage of 4.85 v at full throttle
code 34 indicates that the mass air flow (MAF) sensor circuit ( signal voltage low-high vacuum
check the air filter and replace the MAF sensor
now , I can get this information from using google , it doesn't say much for the mechanics ability or training
for your own personal information , when you get a fault code show up, go google and type in -GM fault code ( what ever it is ) and there are plenty of sites that will give you the fault in detail -- for example I typed ij gm fault code 22 and got the information
It really helps you when you front a shop and you know the area of the fault first as it stops the rip off before it starts
Parking brake light flashing in dash. what does
You have problem with your Rear Anti lock brakes. It has a code in the system. Try reseting the system. Unplug the black box next to the master cylinder for about a minute and plug it back in. Start it back up and see if the brake light is still flashing. If it is I'll post how to check it for codes.
2.8l. How do I disassemble the fuse panel?
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Why won't it start?
Is it a no crank - no start or a crank no start ? Do you know what I'm saying here ? When you turn the key to the start position does anything happen ? starter spins the engine over but does not start . etc..... Two different type problems !
Gmc sonoma transmission
sounds like a problem internal to the transmission, and the valves are not switching properly, has it had it regular interval service.
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