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Matt, Engineer
Category: VW
Satisfied Customers: 21985
Experience:  Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
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1999 VW Beetle GLS, oil light comes on when car breaks. Oil

Customer Question

1999 VW Beetle GLS, oil light comes on when car breaks. Oil level is fine. Oil light does not come on at any other time besides during breaking. ABS light is also on, as well as blue coolant temp sensor.
Submitted: 1 year ago.
Category: VW
Expert:  Matt replied 1 year ago.


I'd check the condition of the wiring to the oil pressure switch and also check the rest of the engine bay wiring loom for damage as I'd say as the engine is moving under braking its tugging on the loom and exposing a bad connection or a broken wire

especially check where the loom runs over other parrts of the engine and through the bulkheads - anywhere it seems stretched tight

if you have a large multiway connector then disconnect it and spray both halves with contact cleaner ( not WD40)

Expert:  Matt replied 1 year ago.


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