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Old May 29, 2010 | 12:58 PM
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Problem With Smog Test

Took my truck to get a smog test today and when they hooked up the OBDII port connection it would kill the engine. They can't get into the computer to read the codes. So now I can't get it smogged until they figure it out. They said that they had another one do it but it was modified. Mine I put back to stock. My truck is a 2000 F250 SuperDuty. Any ideas?
 
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Old May 29, 2010 | 01:48 PM
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does the cigerette lighter work?? if not check the fuse under the dash..

my truck its a 25 AMP fuse and is fuse#3
 
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Old May 29, 2010 | 03:03 PM
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I agree.. but my #3 is 20 amp ( according to my 99 manual) for the OBDII AND lighter...
 
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Old May 29, 2010 | 03:05 PM
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Huh? Why would the cigarette light prevent the machine from reading the computer? I can read it with my Edge Evolution.
 
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Old May 29, 2010 | 03:07 PM
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Were there any readings at all or did it seems dead? The lighter and OBD II are fused and powered together...
 
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Old May 29, 2010 | 03:21 PM
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Originally Posted by clintbonnie
I agree.. but my #3 is 20 amp ( according to my 99 manual) for the OBDII AND lighter...
mine is the same..you plug into the PCM though the OBDII..if the OBDII has a bad fuse you wont be able to read the PCM..as said the OBDII and cig lighter work off the same fuse..
where does the Edge Evolution read from ??
 
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Old May 29, 2010 | 03:27 PM
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OBDII port
 
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Old May 29, 2010 | 03:30 PM
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have you tried since the smog test?? if you can read the PCM i would have to say they have a problem not you..
 
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Old May 29, 2010 | 03:40 PM
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Just went out to my truck and plugged in the Edge. Everything is working. I also checked the fuse and it's good too. I might try taking it to a different smog station and seeing if it also has the same problem.
 
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Old May 29, 2010 | 04:44 PM
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The fact that when they plugged in IT KILLED THE ENGINE is strange.

That would indicate to me that there's something amiss with their equipment.

Pop
 
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Old May 29, 2010 | 05:19 PM
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SpringerPop taht's what I think. I'll be going to another smog station tomorrow and see if the same thing happens. I'll keep everyone informed.
 
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Old Jun 2, 2010 | 02:19 AM
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Originally Posted by MJScore
Took my truck to get a smog test today and when they hooked up the OBDII port connection it would kill the engine. They can't get into the computer to read the codes. So now I can't get it smogged until they figure it out. They said that they had another one do it but it was modified. Mine I put back to stock. My truck is a 2000 F250 SuperDuty. Any ideas?
I found these posts over at SoCaps:

Originally Posted by SDPSGUY
I just had mine done yesterday. My truck is an 02. It was visual only. I have 4" exhaust, a K&N and it was programmed with the first stage of the Edge Evo. I looked through their info book and found out that '98-2003 medium and heavy duty trucks are exempt from the OBDII scan. They didn't know this at first and hooked it up. My truck was idling an as soon as they did it died. So only visual for me.
Originally Posted by SDPSGUY
I looked at their state supplied chart. '98-02 were in one row, and '03 was in it's own. Under the column labeled "OBD testable" the 98-02 and 03's were listed as 'no'.
Originally Posted by cbell386
I just had my smog done on my early 99, they checked for all the smog equipment like the cat, the stock air filter box, etc.. the snapped the throttle to check for smoke, and then they hooked up the obd plug, as soon as they hooked it up my truck died, we tried to start it and it wouldnt start until the plug was removed, so they started the test and selected everything that needed to be selected then they tried the obd port again and it worked. i passed but i just figured i would let you guys know that checking the obd port is possible, they did on mine
Stewart
 
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Old Jun 2, 2010 | 11:14 AM
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Good find Stewart... I think you found the problem..for MJ
 
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Old Jun 13, 2010 | 09:01 AM
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I got my renewal notice Friday, with the dreaded "Smog certification" note. I've been taking all my vehicles to a "Test-Only" station for years now, so that's where I went yesterday. He hooked the OBD scanner to my Ex, and it died. Started back up, checked all applicable parameters, and the Ex passed!! The tech knew about the exemption for air and exhaust, and double checked the manual for my EX; CCV only, no CAT!!! I even left my F5 on, set to stock. No problems at all (Thanks Jody & Diane!!). $51.20 for test, certificate, and electronic transmittal. Now to spend the $200.00 for renewal.....
 
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Old Jun 13, 2010 | 09:03 AM
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Don, you might want to post up the location of that smog sniffer center. There's a couple of members in the Inland Empire area that will thank you later!
 
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