Question about 2004 Opel Zafira 2.0

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Engine revving itself

Hi I have a 320bhp 02 zafira gsi,I was driving along at about 70 mph when the engine turned itself off.so I tried to turn it back on no use. then was waiting for 2 hours for aa then found the problem, it was the sensor that plugs in the throttle body. then the car started perfect, but when I switched it on it started to rev itself between 1500-2000rpm and doesn't stop until I put my foot on the accelerator and when it take it off it starts revving itself. there are no lights on the dashboard and no codes when computer was plugged in, what could it be?

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  • Contributor
  • 20 Answers

Sounds like you have a vacuum leak .check the vacuum hose that goes onto the throttle body

Posted on Sep 16, 2013

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Posted on Jun 26, 2012

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SOURCE: zafira 1.6 petrol 4 injectors open when hot

I woud suspect if it is all 4 it is an open circuit in the wireing. When faulting & won't go follow the injector wireing back from the injectors & slightly bend the wireing harness while someone is cranking the vehicle. Pay particular attention to where the harness runs near the exhaust (if it does) & check for any melted parts of the loom or conecting plugs. Also disconnect the loom at the 1st place along the loom & look at the connector for anything unusual.

Posted on Jul 01, 2012

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SOURCE: opel corsa 1.2 easytronic 2007 car starts roaring at a full stop

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The Engine and Automatic Transmission (not applicable to manual transmissions) in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for correct spec for your make and engine type.

Posted on Sep 10, 2012

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