2000 GMC K3500 Sierra SLT 8Cyl6.5L - Engine
How do you diagnose an injector pump on a 2000 gmc 3500 diesel truck 6.5 L
To see if it's going bad.
6.5L diesel runs loud, has a pinging sound at 70 mph. Smoke from exhaust when throttled to 2500 rpm. Getting harder to start.