Bungo Pete Posted October 12 Report Share Posted October 12 Hello All: The title says it all - I have a few questions: 1. I have about 73k on the clock. I am getting a periodic #4 misfire code and will be replacing the spark plugs/coil packs. Any recommendations in terms of brand? 2. Downloaded the specs and was surprised to see that premium fuel is recommended. I have never burned anything other than 87 octane and am wondering if this is an issue. 3. I have black leather interior, and am now seeing faded white splotches. Anyone else have this problem? Fixes? 1 Quote Link to comment Share on other sites More sharing options...
Wubster100 Posted October 13 Report Share Posted October 13 8 hours ago, Bungo Pete said: 1. I have about 73k on the clock. I am getting a periodic #4 misfire code and will be replacing the spark plugs/coil packs. Any recommendations in terms of brand? Do you notice any white smoke? It is possible that there could be coolant intrusion. 1 Quote Link to comment Share on other sites More sharing options...
Bungo Pete Posted October 13 Author Report Share Posted October 13 No white smoke. 1 Quote Link to comment Share on other sites More sharing options...
1004ron Posted October 13 Report Share Posted October 13 (edited) It would be best to assess the likelihood of coolant intrusion before spending money on parts and labor and then we can move this thread to the one discussing that. A simple test that places like AutoZone can do, is to sniff for combustion gases in the cooling system - the thread on coolant intrusion has more details on the testing. Don't expect you'll see white smoke from the exhaust with the intrusion issue. . Edited October 13 by 1004ron 1 Quote Link to comment Share on other sites More sharing options...
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