Good point. Can you please explain the basic difference between a scan tool and a code reader and what is the cheapest scan tool you know of? I will probably get one some day. Also, my car is black, what kind of problems should I look for...

Thanks,

Mike

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra

A scan tool can give you more information about the electronic engine controls. In this case, you can look and see the mixture self-adaptation readings and compare them to the nominal readings and make a decision based on that, instead of just "the code" that a code reader will give. I think a cheap scan tool is maybe $250ish, not sure, maybe cheaper on eBay but you have to make sure it's OBD2, and often you need a scan tool that's set up for European stuff.

Mass Airflow sensors........... :p

Gilly

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Just an update, Gilly! My home-made scan tool plus your advice nailed it. It was the Mass Airflow Sensor.

cl

Has there ever been a code that was not actually caused by the MAS/AMM? It seems that whatever code some one gets, the answer is always the same - AMM.

Mike

__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra

What is your " home-made " scan tool ?

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2007 C 230 Sport.