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Old 12-15-2005, 09:32 PM
Bugged in CA's Avatar
Bugged in CARegistered Member Bugged in CA is offline
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Default Drive Cycle Needed for OBDII Malfunction

I today had my 1999 New Beetle 2.0 engine checked for California smog certification, A few days ago I think I corrected a cylinder 1 misfire and reset the CEL. The car today passed the emissions test, but failed the "functional check". I was told the OBDII monitors were unset (probably because of my erasing the error code) and I needed to perform a "drive cycle" which could "probably" be accomplished by driving the vehicle for five to seven days and a hundred or so miles. If not done correctly they will have to do the drive cycle and it will cost me $165!!

My question is does anyone know the "drive cycle" reset procedure for my vehicle. One article I read stated that the only source on this is published by Motor Manuals.
Also, if my cylinder number one misfire was not corrected, but the CEL light does not come on would it pass the smog check even if there was an error code reported?

Thanks in advance. :-)
- Really Bugged this time
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Old 12-16-2005, 08:34 AM
hannacoRegistered Member hannaco is offline
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Join Date: Sep 2005
Central Coast, CA,
Car: 98 TDI NB.

The problem is with all of the readiness codes not being set. When you cleared the CEL, you also reset the rediness codes. Some get set just by turning on the key and the computer doing a self test. Others require you to "drive" the car through a number of cycles. A cycle is starting out with a cold motor, and driving until it is warm. You must go at least 45 MPH in the cycle. Then let it cool down, and do it again, and again. Usually takes about a week of just normal driving.
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Old 12-24-2005, 05:54 AM
ttupper's Avatar Member Sponsor ttupper is offline
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Join Date: Dec 2005
Anaheim, CA, USA
Car: 2001 GLS

Most NB codes reset after 3 cycles. I live in Clifornia so that takes me a bout 1 day.
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