MG-Rover.org Forums banner

1 - 3 of 3 Posts

·
Registered
Joined
·
42 Posts
Discussion Starter · #1 ·
hi my gsi failed the mot on emissions could this be the lambda how do you test them. also i blew down the vacume pipe down to the ecu and was ok until i connected it to the ecu then became blocked should this happen what eles could cause high emissions air filter ect
 

·
Registered
Joined
·
1,386 Posts
The vacuum pipe action is ok, did you check the cam timing? You need a voltmeter to check the oxy sensor, although from memory I've had a couple of 2.0ltrs which have had a build up of carbon in the exhaust manifold keeping the gas from the sensor.
 

·
Registered
Joined
·
42 Posts
Discussion Starter · #3 ·
420gsi

cam timing is spot on i will blast the manifold out. i have four wires on the oxy sensor two white one black one grey which wires do i test thanks
 
1 - 3 of 3 Posts
Top