pearlwhite97ES Posted March 29, 2005 Share Posted March 29, 2005 Hello all, Heres the problem. when i idle in drive or park my 97 es 300 will miss sometimes. i put 93 octane and techron and it quit for a tank full of gas then it came back then I filled up and added another bottle of the techron. it now idles fine again but now im on alert at every stop. Does anyone know if this is a common thing or any ideas on how to help it? thanks d.w by the way it has 120,000 well cared for miles :whistles: Quote Link to comment Share on other sites More sharing options...
SKperformance Posted March 29, 2005 Share Posted March 29, 2005 get a motorvac you have carbon build up do you now run 93 but before only 87 ? Quote Link to comment Share on other sites More sharing options...
pearlwhite97ES Posted March 29, 2005 Author Share Posted March 29, 2005 I have run 93 since I bought it, but when I filled up without techron i starting missing a bit then i filled up again with 93 and put another bottle in and it ran smooth with little hesitation. where does one go for a motor vac? never heard of it Quote Link to comment Share on other sites More sharing options...
brian_k03 Posted March 29, 2005 Share Posted March 29, 2005 spark plugs Quote Link to comment Share on other sites More sharing options...
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