93 300E error code 7

Guest 93 300E error code 7 10-16-2001, 01:56 PM

G-Benz One or more ignition coils... 10-16-2001, 03:18 PM

Arthur Dalton Are the new plugs Plats.?? ... 10-16-2001, 03:32 PM

Guest They are for sure copper but... 10-16-2001, 03:43 PM

Arthur Dalton You may want to check the... 10-16-2001, 03:57 PM

jsmith i follow your problem reports... 10-16-2001, 09:35 PM

Guest I have examined the harness... 10-16-2001, 09:48 PM

G-Benz Forgot about the wiring... 10-16-2001, 10:26 PM

jsmith my car had similar... 10-17-2001, 06:54 AM

Guest Looks like my problem is... 10-24-2001, 07:52 AM

Arthur Dalton The rubber boot is the coil... 10-24-2001, 08:08 AM

jsmith Pfphipps, How many miles... 10-24-2001, 01:05 PM

Guest I replaced one coil and all... 10-24-2001, 02:29 PM

10-16-2001, 01:56 PM

pfphipps

Guest

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93 300E error code 7

My 93 300E2.8 has developed a bad stumble/misfire at idle and when initially accelerating. At speed, it seems fine, has plenty of power and does not miss. The check engine light is not on but when looking at the codes at the connector underneath the hood, I get a "7" which I think means ignition failure. Plugs were changed about 2000 miles ago (ran fine until about 50 miles ago) and looking at a plug I took out, it seemed fine. What would be the things to look at for this problem?

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