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wallin 1/1/2012

2000 GMC K3500 Sierra SLT 8 Cyl 6.5L


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.

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