What is your question?
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What is your question?
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
Yes have fuel pressure but no not proper spark