Q: Cranks but does not start.

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Hello. I have 1987 gmc suburban it had been sitting for 7 years i got it to run after changing the spark plugs/fuel filter/fuel pump/oil change./air fliter/new radiator. It idle roughly but it ran. Then one day it didnt it would crank but not start. I dont know why. Please help.

My car has 55000 miles.
My car has an automatic transmission.

You will need to first see if the fuel pump is working and the engine has ignition spark to the spark plugs. You may have a bad fuel pump in the fuel tank or ignition problem with ignition module.

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