2003 GMC Yukon "inertia 650" Questions

...650 with Cummins diesel hit bump in the road and the truck will not start? If you hit a bump hard enough you might have tripped the inertia switch. Look in your owners manual, it should be under the ...

...think about at least 650 rpm to charge the battery and keep up inertia for better take-off power. Find out how to increase rpm,whether it's a screw-stop adjustment or a timing problem. don-ohio (:^

650-800 RPM). If it revs up and stays there too long (20-30 seconds), it may shut down because of several things: it cannot see engine speed because the crank sensor has failed, the temperature sensor