Thanks for the Cam Position Sensor info.....more potential problem areas!
I got a price for the Lambda sensor..Its £106.67 + Vat from Vauxhall...somenbody posted a message saying its about £15. Who can supply me one please?
This car is running very badly. If the car is under load and you put your foot down it holds-back very badly. If you take your foot of the gas a little bit it goes better. I wondered if this could point to the exhaust/O2 mixture in the Cat becoming rich and the Lambda sensor not being able to signal to the ECU the correction required.
Can anyone comment on this idea please?
Thanks.....john
I found this explanation (people may find it helpful)....Lambda describes an equivalence value in percentage of the chemically correct air-to-fuel ratio for any type of fuel. If the air fuel ratio measured in the exhaust pipe of an engine is at the chemically correct (stoichiometric) ratio of air-to-fuel, lambda is equal to 1.0. In the case of gasoline, lambda 1.0 is equivalent to 14.7:1 air-to-fuel. Lambdas less than 1.0 indicate the engine is running richer than stoichiometric, while lambdas greater than 1.0 indicate a lean mixture. If we measure a lambda value of 1.06 and we want a lambda value of .95, we simply increase the fuel delivered to the engine (pulsewidth) by 11 percent. This will place us exactly at .95 lambda. By using the Lambda Was or the Quick Lambda functions a tuner can quickly shape the fuel table to match the engine's exact requirements.
http://www.motec.com/products/ecu/tutorial.htm
I got a price for the Lambda sensor..Its £106.67 + Vat from Vauxhall...somenbody posted a message saying its about £15. Who can supply me one please?
This car is running very badly. If the car is under load and you put your foot down it holds-back very badly. If you take your foot of the gas a little bit it goes better. I wondered if this could point to the exhaust/O2 mixture in the Cat becoming rich and the Lambda sensor not being able to signal to the ECU the correction required.
Can anyone comment on this idea please?
Thanks.....john
I found this explanation (people may find it helpful)....Lambda describes an equivalence value in percentage of the chemically correct air-to-fuel ratio for any type of fuel. If the air fuel ratio measured in the exhaust pipe of an engine is at the chemically correct (stoichiometric) ratio of air-to-fuel, lambda is equal to 1.0. In the case of gasoline, lambda 1.0 is equivalent to 14.7:1 air-to-fuel. Lambdas less than 1.0 indicate the engine is running richer than stoichiometric, while lambdas greater than 1.0 indicate a lean mixture. If we measure a lambda value of 1.06 and we want a lambda value of .95, we simply increase the fuel delivered to the engine (pulsewidth) by 11 percent. This will place us exactly at .95 lambda. By using the Lambda Was or the Quick Lambda functions a tuner can quickly shape the fuel table to match the engine's exact requirements.
http://www.motec.com/products/ecu/tutorial.htm
