2006 Vauxhall Zafira jerking

Car: Vauxhall Zafira
Year: 2006
Variant: 1.6 petrol

Categories: Electrics, ECU, Warnings & Lights

Had this jerking problem a few months with the engine man light coming on, changed the coils, spark plugs then the lamda sensor one by the cat. Still same problems. Fault then coming up saying fuel sytem lean and also the 02 sensor again. Regards change to a new 02 sensor still happening and they can't find no leak for anywhere. The car is a total nightmare to drive....please any help I'm fed up of spending money for problem to still be there.

Posted: Jul 23, 2016 (7 years ago)

Leanne212

Points: 1

Check for vac leaks ,check inlet manifold , check MAF , check wiring to O2 sensor .Is replaced sensor genuine part or cheap import ?

Posted Jul 24, 2016 (7 years ago)

whittingehame

Points: 37,708

There's most likely nothing wrong with the o2 sensor,
or the one you pulled out!
It's reading lean because the air/fuel mix is lean.
So whoever stated you replace it is spreading horse ****!
Ignore them.
Like the previous respondent stated you most likely have an inlet tract leak.
Find a local garage that can perform a smoke test,
A relatively easy test that introduces smoke into the inlet then you watch for where it leaks.
Idiot proof really.

Posted Jul 24, 2016 (7 years ago)

1/4drive

Points: 1,892

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2006 Vauxhall Zafira jerking

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