Really regretting buying this truck at this point.
Anyways, onto my issue: I've been having some cold start issues - basically, if the temp drops below 30 degrees, it refuses to immediately start on the first turn of the key. It turns over just fine, cranks very strong, battery is brand new. But it won't
A few things I've found to work:
- Cycling the ignition key a few times to build fuel pressure
- Letting the key sit at ON for a few seconds prior to starting
I'd think it's a fuel delivery issue, but the truck starts just fine once it's warmed up. No sputtering, the truck hasn't stalled or died on me, no CEL. I've checked the IPDM, and I seem to have the updated one. The fuel pump and FSU were replaced in 2013 at 36k miles.
So, my thoughts are it's the ignition/ECM relay (I bought one, just need to figure out the location so I can swap it), or it's possibly the ECM itself. I have read a few things about the ECMs going bad or having issues in the cold.
I guess this weekend I'll try putting a heat gun to the ECM while it's super cold and see if it improves anything - I haven't had it completely fail to start yet at least. Hopefully it doesn't get to that point.
Who else has dealt anything like this?
Anyways, onto my issue: I've been having some cold start issues - basically, if the temp drops below 30 degrees, it refuses to immediately start on the first turn of the key. It turns over just fine, cranks very strong, battery is brand new. But it won't
A few things I've found to work:
- Cycling the ignition key a few times to build fuel pressure
- Letting the key sit at ON for a few seconds prior to starting
I'd think it's a fuel delivery issue, but the truck starts just fine once it's warmed up. No sputtering, the truck hasn't stalled or died on me, no CEL. I've checked the IPDM, and I seem to have the updated one. The fuel pump and FSU were replaced in 2013 at 36k miles.
So, my thoughts are it's the ignition/ECM relay (I bought one, just need to figure out the location so I can swap it), or it's possibly the ECM itself. I have read a few things about the ECMs going bad or having issues in the cold.
I guess this weekend I'll try putting a heat gun to the ECM while it's super cold and see if it improves anything - I haven't had it completely fail to start yet at least. Hopefully it doesn't get to that point.
Who else has dealt anything like this?