2000 GMC C6500 Topkick 7.4gas

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2000 GMC C6500 TOPKICK 7.4 GAS ...Crank no start... replaced crank sensor and cam sensor and plug in OBD 2 and it reads communication error fuel pump is working relays are working ... turns over but wont start.. anyone else have this problem or can help me where to start next I would really appreciate it thank you

Justmeintennessee in Somerville TN

Jun 15, 2020

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC C3500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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2000 GMC C6500 Topkick 7.4gas

What is your question?

Justmeintennessee in Somerville TN

Jun 15, 2020

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pushrodon Jun 15, 2020

Got proper IGNITION SPARK? Got sufficient FUEL PRESSURE? Both are easily tested!

Justmeintennesseeon Jun 15, 2020

Yes have fuel pressure but no not proper spark

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC C3500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.