1993 GMC Sierra 1500 code reads 112 Truck won’t stay running after driving

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Replaced fuel pump cap rotor wires ignition coil idle control valve plugs It starts runs great then get in some time crank no start then might crank won’t idle

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in Houston TX

Sep 7, 2021

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1999 GMC Sierra 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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1993 GMC Sierra 1500 code reads 112 Truck won’t stay running after driving

What is your question?

Replaced fuel pump cap rotor wires ignition coil idle control valve plugs It starts runs great then get in some time crank no start then might crank won’t idle

Visitor

in Houston TX

Sep 7, 2021

1 Reply

Popular Answer

DaveJMon Sep 7, 2021

Perhaps you mean code 12? Codes would be 2 digits typically. 12 would mean "no distributor reference pulse" - or a spark concern. Can you verify a loss of spark when cranking the engine while the problem is occurring?

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1999 GMC Sierra 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.