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danny
danny, Mechanic
Category: Car
Satisfied Customers: 5064
Experience:  Mechanic at school corp bus garage! Experience in fleet diesel and regular automotive.
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maf..throtle body new spark plug there is also exhaust popping noise

Customer Question

hi i have a 01 vectra 1.8 the problem is the car engine keeps juddering and idle is unstable i changed the maf and cleaned the throtle body new spark plug there is also exhaust popping noise any solutions.many thanks.
Submitted: 7 years ago.
Category: Car
Expert:  danny replied 7 years ago.

50% of all the maf sensor codes result in the wiring harness being defective. Can you wiggle and hold the connection secure to see if the condition is changed

Customer: replied 7 years ago.
i changed it twice
Expert:  danny replied 7 years ago.
The harness?
Customer: replied 7 years ago.
i will try it tomorrow let u know soon as possible thank u.
Expert:  danny replied 7 years ago.
Your very welcome