2008 Discovery w/350 Cummins check engine!
I have a (new to me this season) 2008 Discovery with a 350hp Cummins and on a longer grade the check engine! comes on and then it will go back off on its own a short time later, after it’s not pulling...
Forum Discussion
For the price of visiting a service center to get codes read, buy a Vmspec Silverleaf software and cable for your laptop.
This gives you real-time display of all your parameter including normal ranges and what’s over/under.
Plus when you get the code explanation you can call their tech support and they can help you diagnose the problem.
I was getting check engine intermittently and it was a tight wire pulling hard on the turbo boost sensor. Under load the engine would lean some and wire would pull the connector off enough to send a false reading.
Is your temp gauge saying it’s hot?
Mine doesn’t rise on an uphill.
This gives you real-time display of all your parameter including normal ranges and what’s over/under.
Plus when you get the code explanation you can call their tech support and they can help you diagnose the problem.
I was getting check engine intermittently and it was a tight wire pulling hard on the turbo boost sensor. Under load the engine would lean some and wire would pull the connector off enough to send a false reading.
Is your temp gauge saying it’s hot?
Mine doesn’t rise on an uphill.
