I CHANGED THE SPARK PLUGS OUT IN MY ENVOY ONE AT...

2004 GMC Envoy

Tiny

corytaylor2908

November, 10, 2012 AT 5:35 PM

I changed the spark plugs out in my envoy one at a time because it has individual coil packs on it and I dint want to get them crossed up. After changing the plugs I tried to start my truck and it would not start. I then checked each coil pack to make sure the connection was good and tried to start again, still wouldn't start. I then put the old plugs back I to make sure the plugs that I had purchased was not a bad set of plugs and it still will not start. What will cause that to happen.

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3 Answers

Tiny

ASEMaster6371

November, 10, 2012 AT 5:39 PM

Look around all the area to be sure that you did not leave any connectors undone. Start there

Roy

Tiny

corytaylor2908

November, 10, 2012 AT 6:01 PM

Everything is connected.

Tiny

ASEMaster6371

November, 10, 2012 AT 6:09 PM

You need to verify spark and fuel pressure.

Shoot some starting fluid in the air filter to see if it starts

Roy

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