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Optimax and starting problems

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Old 21 August 2002, 09:01 PM
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MyDreamCar
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Up until 6 weeks ago I had been religiously using Optimax in my MY95 WRX with no problems, then followed 3 weeks of starting problems - the car would turn over but not fire up (not a battery issue) resulting eventually in me having to call out the AA. A work colleague owns a Celica GT4 Jap import and also starting using Optimax the same time I did - he experienced the same problems as me and spent £200 at a garage trying to find the problem. We both stopped using Optimax and switched to Texaco & Esso SUL - and hey presto - both cars now start first time eveery time - petrol is the only thing I have changed - seems too much of a coincidence to me? (Another friend with a 3.0 V6 Audi has experienced starting problems on Optimax too) - anyone else had similar??

Phil
Old 21 August 2002, 10:28 PM
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kevin stanton
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Hi Phil, long time no see (as they say)

as a side note, is it ok with octane booster, isn't the early wrx ecu mapped for 100ron petrol.
i beleive optimax is only 98ron.


Kevin
Old 21 August 2002, 11:10 PM
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Trout...
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My car (STi) has been run on Optimax for nearly a year now - starts perfectly, works perfectly and produces excellent power.

Trout
Old 21 August 2002, 11:20 PM
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daz b
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I have heard of a few local (north staffs/south ches)problems with optix,seems like a few rough batches,I run on bp sul no probs

Dazz
Old 21 August 2002, 11:32 PM
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Esoteric Beast
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Sounds like some bad fuel you have up there.

Run Optimax in MY94 STI with no problems at all.

Also Sue the Petrol Company they can afford it.


[Edited by Esoteric Beast - 8/21/2002 11:34:30 PM]
Old 21 August 2002, 11:42 PM
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Little Miss WRX
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MDC - MY94 WRX, after the fifth tank the car was running lumpy - after a couple more there were audible sounds of pinking (detting)
A switch back to SUL and the symptoms went away.......
Old 22 August 2002, 12:00 AM
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FamousCoops
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i've been runnin optimax for a year now in MY94 with only good results
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