[numbnutz69]

OK, the car is back to running crap. Filled up with fuel on Wednesday night, dove to work Thursday (6 kms) and back home at the end of the day. I had to go to a meeting that evening 25 kms away and the car was terrible. Really starting to p&^% me off and don't know where to go.

Mechanic suggested loosening off the fuel filler cap to see if there was a problem with the fuel tank not breathing. Made no difference. It really does seem like the timing is retarding under load but it is all over the place. Could it possibly be a faulty knock sensor or I am getting false knocks from somewhere?

Where would the knock sensor be on a 2001 KQ laser 1.6?

Thanks