2nd Gen Neon 2000 - 2005 2nd Gen Neon

2004 Neon Drive Cycle

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  #1  
Old 05-03-2009, 02:02 PM
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Default 2004 Neon Drive Cycle

My 2004 Neon just failed emissions, and I was told I needed to complete the drive cycle. Could it be because my alternator needs to be replaced? If not, how do I complete the drive cycle?
 
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Old 05-03-2009, 03:42 PM
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A drive cycle, if I remember, is simply taking the car for a drive?
 
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Old 05-03-2009, 04:52 PM
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A drive cycle is different for each manufacturer. You have to meet specific criteria to complete them. I.E. drive x mph for x miles, slow to a complete stop or to a specific speed and accelerate to x mph again.

Normally driving it for 1 or 2 days will reset all the monitors and be ok. I have have heard Saturn has really odd and specific drive cycle specs.

Yes your alt could be a problem, may not be meeting a voltage requirement to run a test or something.
 
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Old 05-03-2009, 11:09 PM
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If I can remember to put the manuals on my computer (just did a reformat), I will try and look up what Dodge says is a drive cycle for these cars.
 
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Old 05-04-2009, 10:57 AM
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ive never heard of a drive cycle... but luckily i live in a hick town where we dont have to pass emissions.
 
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Old 05-04-2009, 10:58 AM
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accually the only thing we have to have is insurance lol and 60% of these rednecks still dont have it... so if your ever in an accident here... most likely your gonna be ****ed over anyways.
 
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Old 05-04-2009, 03:35 PM
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Originally Posted by neonftw87
ive never heard of a drive cycle... but luckily i live in a hick town where we dont have to pass emissions.
Originally Posted by neonftw87
accually the only thing we have to have is insurance lol and 60% of these rednecks still dont have it... so if your ever in an accident here... most likely your gonna be ****ed over anyways.
Same here. Gotta love the small towns!
 
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Old 05-05-2009, 08:10 PM
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Is the drive cycle when you have a CEL then after a couple hundred miles it disappears (but the code is still there)?
 
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Old 05-05-2009, 11:15 PM
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No, that just sounds more like a "soft" code.
 
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Old 05-05-2009, 11:18 PM
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Just found this online though:

This is a Chrysler/Dodge specific drive cycle (Chrysler's tend to be easy to pass through, so if it hasn't gone through after a few days of regular driving, there is probably a problem):

Check engine light off, codes cleared; cold start.

-Warm up engine 5 minutes (or until closed loop is reached--5 min is usually plenty)

-Drive (w/ steady throttle) at a steady speed between 40 and 60 mph for 8 min

-Stop and idle 3 min

-Drive (w/ steady throttle) at a speed above 20 mph for 2 min

-Turn key off, leave off 10 min

At the very least, usually a day or two of a mix of highway and back road driving will complete all the monitors.
Basically, just go drive the car for a bit.
 


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