Posted 18 February 2013 - 06:34 PM
it goes for the 2nd time and they say it is a knock limit exceeded so they recode it at £102 .but it has been a diffrent injector each time does anyone no why this happens or how it can be stopped
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Posted 18 February 2013 - 08:15 PM
Posted 18 February 2013 - 10:26 PM
injectors can cause "knock" (detonation/ pre ignition) but other things can cause it too - a "lean" mixture, or a build up of carbon (due to too rich a mixture) a clogged exhaust/ cat too much boost, the dreaded EGR system etc etc
A good service, (including air filter, fuel filter, oil+filter) and the things that SHOULD be on the service shedule (cleaning out the inlet manifold from the gunk the EGR has deposited, blanking the EGR valve to stop it happening again)
the intercooler is probably full of oil and the cat is probably choked,
Do you know if it is a fixed vane or variable vane turbo? is it a front or rear mounted EGR?
is the car driven hard?
Posted 21 February 2013 - 06:25 PM
the rac man .and i dont no what you mean by fixed vane or variable vane and no the car is not driven hard i tow a caravan
about 2-3 times a year thanks
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