Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: RobertEB on 31 August 2013, 18:01:49
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My 51reg 2.2CDX Auto, which I've had over ten years, started an intermittent fault about two years ago.
The original fault (two years ago), the exhaust emissions light, indicated a faulty cam sensor. After two replacements, no success.
Replacing the timing belt was also unsuccessful.
The problem is intermittent and goes through the following stages:
1. Situation OK, car drives beautifully until
2. difficulty starting (does not fire immediately bud succeeds after a few revs -very sluggish, misfiring when cold and the engine electronics light comes on and the car does not have much power). Switching off and restarting often clears the warning and car drives OK. This intermittent signal continues for a bit until
3. exhaust emissions light comes on and comes on with each restart for some days. The engine fires OK and no engine electronics light until
4. the exhaust emission light goes out and we go back to stage one.
The garage electronics show the P0170/0340 codes (cam sensor and lean mixture).
Over the same period I've had the original exhaust/cat converter replaced (old age) and the engine block manifold blew last year - but neither have affected the ongoing problem.
Two questions:
1. Any suggestions as to what's going on and what might be done shart of replacing the ECU
2. If I continue to live with it, do I run the risk of writing off the engine?
Many thanks
Robert :'(
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further to previous post, still sluggish when cold in stage 3! :)
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indicated a faulty cam sensor. After two replacements
Were they both genuine purchased from main dealer
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RobG, Thanks for question! I don't know - it looked a pretty ordinary piece of kit when my garage (a small two man outfit showed it to me. I'll find out on Monday. It sounds as if this is important. Robert
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RobG, Thanks for question! I don't know - it looked a pretty ordinary piece of kit when my garage (a small two man outfit showed it to me. I'll find out on Monday. It sounds as if this is important. Robert
Yep. As you`ve still got an 0340 fault a genuine cam sensor needs to be fitted.
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Understood!
Robert
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Yup! Non-Vauxhall sensor installed. Having this changed and will get back to you all.
Robert