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Car is hard to start at low temperatures below 5 degree celsius.[/QUOTE]
E85 does not like the cold, that's why the run E75 in winter
E85 does not like the cold, that's why the run E75 in winter
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RS 2 580HP -
Shouldn't be any problems at those temps if enough enrichment. -20C is a different thing.
Audi UrS4 Avant 2.5 20vt - twincharged - Project
Audi 80q B4 Sedan 2.2 20vt - Daily user
BMW 320d Touring e91 M-Sport - Daily user
BMW 740iA e38 - ProjectComment
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Hi, here's a config with working settings for E75 cold start enrichment (on my car anyway), tested down to about -5 degrees Celcius. Use settings at your own risk!!
Leif-Helge
-91 S2 VEMS and Comp Turbo
-12 B** 530XD Touring "S2 parts transporter, and daily driver"Comment
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I started an I5 in -10C on E85 that I mixed myself last week. Started after 3-4 cranks just fine.Originally posted by jade View Post
E75 you need for -15C and below.
Get your maps right, and your car will start fine. At 5c only poor mapping is to blame, not the fuel.Comment
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Dmitri, my car started in -15 after few attempts. Your coldstart setups made in summertime and in like 5min.
Audi UrS4 Avant 2.5 20vt - twincharged - Project
Audi 80q B4 Sedan 2.2 20vt - Daily user
BMW 320d Touring e91 M-Sport - Daily user
BMW 740iA e38 - ProjectComment
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My car is doing lots of misfires on warmup with these cold temps. When the coolant temps are OK it is fine. It is on ultimate pump gas now. Should I change something?'95 RS2Comment
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Thank you dkw_dude. Now it starts nicely.Comment
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Nice. Glad I could help..
Leif-Helge
-91 S2 VEMS and Comp Turbo
-12 B** 530XD Touring "S2 parts transporter, and daily driver"Comment
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Turned out my spark plugs (iridium) and ls2 coils were causing the problems. LS2 coils did not more than 5000KM bought at efiexpress. What shoukd I do, buy new LS2 or go tfsi coils?Originally posted by snaak View Post'95 RS2Comment
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AAN, E85, HX 40 Super 16#, ID1000, 4bar (58psi) FP, Walbro 450 lph E85, machined Head408kw @ wheelComment
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Have you been on a dyno with that setup?Go Holset or Go RS4Comment
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hi Billman I was unfortunately on no dyno . I just measured with a pbox.Last edited by Prosac; 21 June 2015, 02:15.408kw @ wheelComment
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Would anyone with a well tuned set up be willing to post a screen shot of there timing map and a quick summary of their set up. I don't have vems so can't open the map files on this thread but I'm curious how my timing map compares.Comment
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setup see above...408kw @ wheelComment
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You can download vemstune for free and open all the files!Go Holset or Go RS4Comment
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