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Vauxhall
Astra
Engine
Mass Air Flow Sensor
Replace/Remove
MAF sensor fault
2008 VAUXHALL ASTRA
60,000 MILES • 2.0L • 4 CYL • TURBO • FWD • MANUAL
ANDREW PARSONS
MEMBER
1 POST
FOLLOW
VXR map sensor reading -40 on live feed. Have changed the part as well as the MAF but problem is still there. Spanner light on dash.
Jul 7, 2017 at 11:00 AM
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STRAILER
CERTIFIED EXPERT
53,872 POSTS
Hello,
It sounds like you have one of two problems, first would be a vacuum leak and the next would be a plugged catalytic converter.
Here are two guides that will help you get the problem fixed.
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
and
https://www.2carpros.com/articles/how-to-test-a-catalytic-converter
Please let us know what happens, we are interested to see what it is.
Cheers, Ken
Jul 9, 2017 at 7:19 PM