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I almost lost a potential car that I wanted to buy do to this darn test. I didn't want to buy it and be stuck with it if it didn't pass. I bought a odbdII reader and got the manufacture drive cycle test which it worked but what a pita !
Mine was a pcar but BMW cycle worked ! After 4 failed emissions tests and a lot of driving by seller.
Start engine, idle cold for approx. 2 min, 10 secs.
Accelerate to 20-30 MPH, Maintain steady speed for approx 3 min, 15 secs.
Accelerate to 40-60 MPH, Maintain steady speed for approx 15 mins.
Decelerate and come to a stop. Idle in gear for approx 5 mins.
Following the start engine phase the sequence of test conditions may interchange.
routine will be discontinued whenever:
Engine speed exceeds 3000 RPM
Large fluctuations in throttle angle
Road speed exceeds 60 MPH
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