Questions tagged [drive-cycle]

The driving pattern on which the engine control computer (PCM) will run its tests of sensors and systems.

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2017 Chevy Spark Drive Cycle Help

I'm struggling to get my OBD2 system ready for emmisons testing. I have been driving normally and still they're not all ready and I don't know what to do! Auto shops have no idea what I'm talking ...
1 vote
1 answer
182 views

How strict is a "drive cycle"?

This answer lists the steps in a GM "drive cycle", for purpose of running certain diagnostic tests, and (?) re-calibrating certain parameters. (In my case, after replacing a heated O2 ...
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1 answer
4k views

What is the drive cycle for OBD-II equipped GM vehicles?

As the title states, what do I have to do to get through the drive cycle for OBD-II equipped GM vehicles?
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1 answer
2k views

Drive cycle for 2007 Nissan Sentra

I have a 2007 Nissan Sentra 2L and have the codes reader. I had reset the codes in May and driven a bit of variety local and highway (but not all that much due to covid and traveling). No codes ...
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2 answers
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Battery died a few months ago. Since then catalytic converter smog test not passed

I have an old 2000 Camry car that died in storage and so I replaced the battery 4 months ago. That reset all the monitors. Since bringing it back up it also had a check engine light which required me ...
3 votes
0 answers
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When will a new emission driving cycle be implemented?

For emssion tests, they have used the NEDC driving cyle here in Europe for quite a while now. I'm not sure about America and Asia, but i believe they use similar driving cycles. After the emission ...
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1k views

Vibration felt, heard and seen when in Drive at stop but disappears when shifted to Neutral [closed]

2010 Jeep Patriot FD2 4x4 38,000 miles Well maintained vehicle with low mileage. Excessive vibration noticed beginning 6 months ago. Have changed spark plugs, air filter, Premium gas used with double ...