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19:34:34 - 05/07/2024
V8 Dakotas
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Steve
Dodge Dakota
JOIN HERE
8/22/2002
23:54:54
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 Subject: 2002 OBD 2 Problem
IP: Logged
Message:
OK i need a little help here. I have a 2002 dodge dakota. With the 4.7 liter. I recently reset the computer, using the techniques on this board.. I unhooked the negative battery terminal, then turned the key to start and BAM. The check engine light went out. Now here's my question. I did this a week ago. And still when I turn the key to the start position and wait 15 secs, the engine light begins to blink. In the owners manual it says to take to dealer and or if your battery was changed to keep driving until the OBD II updates. This has been a week ago today and 220 miles later, and the light still blinks. (now originally the light went on after sitting in and out of a shop, without any warmup or anything. I got pissed and reset the computer. And now I am worried that the OBD 2 is not working properly. Please if any1 can help me, I would really appreciate it.
2002 Dodge dakota, 4.7 liter
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dc tech
Dodge Dakota
JOIN HERE
8/24/2002
15:42:28
| RE: 2002 OBD 2 Problem
IP: Logged
Message:
First of all do you still ahve warranty. If yes then get to the shop and have them plug the drbIII to it and see what is wrong. DO not clear the computer as it does not fix anything. If anything it makes it harder to diagnose the concern for us techs as we have no freeze frame data to diagnose with. I couldn't understand when you were saying the lite was blinking but if it was during key up with the engine not running than this is normal. Disregard this. If it is flashing during engine operation than an emmission related diagnostic trouble code has been set. It could be egr, evap. emmissions etc, etc. As for the OnBoard Diagnostics (OBD II) not working, impossible. If the engine lite is not on when the vehicle is running, keep driving it and don't worry.
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