03 GMC Envoy 4.2 no start. No signal @ coils, Is this a PCM problem?

Asked by D3WY6 Sep 29, 2017 at 10:41 AM about the 2003 GMC Envoy XL SLT 4WD

Question type: Maintenance & Repair

5 Answers
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Guru9FSV8 answered 6 years ago

Have you tested crankshaft and camshaft sensors? Any check engine light?

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D3WY6 answered 6 years ago

no signal at ECM, must be ECM. Checked continuity, all spout wires ck out.

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