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26th September 2019, 20:15
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Loves to post
Rover 75 Conn SE saloon / MG ZTT cdti auto Join Date: Jul 2011
Location: Lowestoft
Posts: 497
Thanks: 10
Thanked 33 Times in 26 Posts
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Emissions keep failing
I thought I'd lob this out to the combined knowledge on here. 2004 1.8 n/a, 160000+ miles. Main fail at MOT was emissions. With Trikeys help, we got it down to dodgy loom on the MAP sensor (changing resistance when moved) so have changed that. Failed even worse on CO, even though T4 said all was OK apart from upstream lambda not functioning. Change lambda, still silly CO % on last test. Plugs are pretty new, air filter clean, been through all the other sensor plugs etc and cleaned/lubed. Would a duff injector cause high readings?
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Oh well, it's only money...... 2004 Conn SE 1.8 Work so far:- Gerry T, Rad Fan Resistor, Handbrake Compensator, Bonnet Catch Block, Leather Handbrake gaiter, Journey Camera, Sean's DD Unit with Freeview!, Towbar, Rear Sunblind, Smiley!, Headlamp Protectors, Alloy Intake, R75 Brolly, Puddle lights, reversing camera. 2004 Connie CDTi Tourer; replacement for the ZTT. |
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