My truck wouldn't start earlier, it was cranking like mad as it had been running 15min before, however it didnt fuel,so I poped the hood did a quick check, all looked good. I pulled codes at home and go a P1670 Which was something about a sensor not sending a signal or something generic. However it didn't mention which one, how do I figure out what sensor is giving me trouble?
I did the IDM mod a few months back, I wonder if this is related. This must be why it wasn't getting fuel and starting earlier. After a minute or so it worked for the hr or so it took to get me home, so maybe a sporadicly loose connection?
I just had the same issue, check your batts, batt connections, idm connections. My issue was i had 1 dead battery, i was throwing codes p1668 and p1670. Since i changed my batts i haven't gotten those codes. Good luck
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