Engine runs-on

1999 OPEL CORSA
215,000 MILES • 1.6L • 4 CYL • FWD • MANUAL
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EZAUTODIAGNOSTIX
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Dear sir, I am in South Africa so the mileage is in kilometers (sorry). This is the 160i model. The engine runs-on when the vehicle is switched off. My scanner cannot access pre-2000 and when i bridge the pins on the diagnostic plug I get no fault codes reading the flashing MIL. This engine does not have a distributor. Timing is regulated by the ECU. I do know that the head gasket was replaced recently.
Any help will be appreciated. Thank you.

I am a qualified Auto-Electrician. (I selected mechanic in the next question)
Sep 26, 2017 at 11:30 PM
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STRAILER
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It sounds like you have a vacuum leak allowing air to enter the engine after shut down.

Here is a guide to help confirm the problem:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run this test and get back to us so we can keep helping you.

Cheers, Ken
Sep 27, 2017 at 2:12 PM