2002 Vauxhall Zafira running intermitently

Car: Vauxhall Zafira
Year: 2002
Variant: 1.8
Categories: Running Rough, Starting & Power Loss

My daughters Zafira is running intermintently
at low revs it was put on a diagnostic meter
and it said lamber sensors which have been changed no difference also told it was the
cat so again got changed no different ,The engine management light had been on for a while but she was told not to worry about it .It's
running like a bag of nails .Can anyone help
Posted: Jan 21, 2012 (12 years ago)
Sometimes the wiring to the sensors can be at fault if this was not checked. Were the fault codes cleared?
I would just like to add that the engine light should not be ignored when it illuminates
Posted Jan 22, 2012 (12 years ago)
Ok,

First you need to know the P code which is causing the EML light to come on, if it's a fuel trim code then I would highly suspect the Air mass meter, notorious fault with the 1.8,
I am a Vauxhall tech.

The other thing to check are the large vac pipes from the purge valve near the elbow pipe on air cleaner box to inlet manifold, these can come off.

Hope I helped a little....
Posted Jan 22, 2012 (12 years ago)

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