Guest Gp crazy Posted March 28, 2004 Report Share Posted March 28, 2004 Well after the whole coil thing i noiced the tach was out of wack . it jumps form 1100 to 5000 but the engine is not even close to it. thiis only happend once and on a cold start but hot starts it is fine. also it seams to miss at idle when cold but hot it seams fine ? Quote Link to comment Share on other sites More sharing options...
WhiteOut Posted March 29, 2004 Report Share Posted March 29, 2004 I'm not sure if that can be caused by a bad ICM or not, but if you take your ICM to NAPA they'll test it for free. Quote Link to comment Share on other sites More sharing options...
Guest Gp crazy Posted March 30, 2004 Report Share Posted March 30, 2004 if they can test it for free. can i test my self ? what to they need to test it with ? Quote Link to comment Share on other sites More sharing options...
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