Post queries regarding your Mk3 Cavalier's fuel system (including ECUs) and exhaust here
#162510 by cavalier1990
Mon May 15, 2017 10:12 am
Ok, another MOT another bodge pass for the emissions. High Lambda and CO at 3k revs, HC ok at 3k revs. I'm thinking next step is go for an original lambda sensor, but cheaper option first would be blank off EGR valve. Trouble is I don't have an emissions tester I can plug in and work away at the car trying different things without paying a garage and a mechanic to do it.
#162511 by Robsey
Mon May 15, 2017 10:39 am
Wow gas testers have gone expensive...
Well not really - I bought a Gunsons Gas Tester 2 professional in about 1990 for £80.

Just looking now, the cheapest I can find start at £99 for a standard model.

There are a few used Gas-Tester 2s for sale on ebay... currently about £50 each.
#162523 by cavalier1990
Tue May 16, 2017 9:13 am
Robsey wrote:Wow gas testers have gone expensive...
Well not really - I bought a Gunsons Gas Tester 2 professional in about 1990 for £80.

Just looking now, the cheapest I can find start at £99 for a standard model.

There are a few used Gas-Tester 2s for sale on ebay... currently about £50 each.


I was thinking along the lines of getting one of those, would be interesting for tuning purposes as well with my collection of cars!

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