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Dan
Dan, Technician
Category: GM
Satisfied Customers: 23589
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Got p0236 code replace turbo boost sensor. Light stayed off

Customer Question

Got p0236 code replace turbo boost sensor. Light stayed off for about 15miles now back on same code.
Submitted: 1 year ago.
Category: GM
Expert:  Dan replied 1 year ago.

Hello, my name is***** is usually caused by the vacuum pump or boost solenoid.​ Check for good vacuum, from the belt driven vacuum pump at the boost solenoid, on the left hand rocker cover.
Check for good vacuum to the waste gate at idle. If vacuum is bad replace pump if not replaceb oost solenoid. Let me know how it goes or if you have more questions. Thanks.