kenboss53

My previous post; 'Mot Fail On Emissions' detailed my attempts to discover why my 2.0 litre Galaxy kept failing on emissions. One of the things I did was to replace the Lambda Sensor with a 'universal 4-wire sensor' obtained from a local motor factor. BIG MISTAKE!!! After spending about

Thanks for the reply Martin. The part you refer to is the Auxillary Air Pump which I have already replaced at a cost of

....forgot to say; have thrown old Lambda away... :) Presumably if there is a fault with the EGR it will throw up a fault which will be seen by the guy coming out on Monday to re-run the diagnostics? Same with ECU? Have only had emissions tested when taken for MOT tests. I could check on cost of only checking emissions. Thanks for your input.

mmmmm good point! I'll check the wiring to the new Lambda in the morning (if the rain stops long enough) It may well be that the exhaust guys have damaged the connection when fitting the CAT. Good point, thanks. The other thing I was wondering; I disconnected the battery when fitting the new Auxillary Air Pump. I read on another thread that the adaptive engine management takes about 50 miles to 're-learn' the system etc. Could this effect the emissions? Just a thought.

I have arranged for the mobile diagnostics guy to check the vehicle again. He can't get here until Monday though, so the saga continues.... This all started with a 'cheap' Galaxy with what sounded like noisy tappets. It turned out to be piston slap requiring a recon. engine and now, 6 months later, this nightmare. So much for me and my bargains.... haha

I'm in desperate need of some REAL expert advice.... 1995 Galaxy Aspen 2 litre, 85K miles, full engine rebuild 25K miles ago, recently failed on emissions; Fast Idle Test states: CO at 2.435 - FAIL, HC at 100 - PASS, Lambda at 0.991 - PASS. MOT station suggests blowing CAT through with air-line to clean out and re-test. Read through some past postings on this forum and was alarmed that someone else with a similar problem had spent about

My '95 Galaxy Aspen is sick!!!! I bought it with a slight 'tappet' noise thinking it wouldn't be much of a problem.... :( Flushed system and put new oil and filter in - no difference. (yes it was the correct oil) Had a local mechanic take a look and he reports that the cams and tappets are OK but the compression is down on No's 1 and 4 cyclinder and it is throwing oil out of the exhaust - his advice - new engine! AAaaagghhh Local companies are quoting approx.