97 grand am spark plugs

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mistahiggs

Member - Posts: 29

Joined: May 25, 2004

Location: United States

Posted: August 07, 2006 at 7:57 PM / IP Logged

not really sure if this is the best place to post this question, but here goes. i just changed all 4 spark plugs in a 97 grand am, and now the engine rocks while running, and the check engine light has come on, anyone have any ideas on why changing spark plugs would cause this?

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furflier

Copper - Posts: 236

Joined: June 14, 2004

Location: United States

Posted: August 07, 2006 at 9:55 PM / IP Logged

Did you check that no wires or vaccum lines have come loose? Also are the plugs gapped correctly. When you changed plug wires did you do them 1 at a time or pulled all off at once? If you pulled all at once it is pssible you have crossed 1. Go back through and check all connections & firing order.

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supradude

Silver - Posts: 915

Joined: September 21, 2004

Location: South Carolina, United States

Posted: August 11, 2006 at 8:57 AM / IP Logged

Make sure when you lower the top section with the coil packs down onto the plugs the wires have snapped onto the plugs correctly. The wires are so short and hard to see while you are lowering it back into place that you may have missed one of them.

'85 Toy

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KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: August 11, 2006 at 2:53 PM / IP Logged

Fireing order is messed up. (wrong wire to the wrong plug)

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supradude

Silver - Posts: 915

Joined: September 21, 2004

Location: South Carolina, United States

Posted: August 12, 2006 at 8:01 AM / IP Logged

If his '97 is like my '96 Grand Am it's impossible to cross the wires. One of them might not have snapped down on the plug tip, but they are so short they can't go anywhere except the right plug.

'85 Toy

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97 grand am spark plugs

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