MA91CK billet turbos and weathered engines dont mix Donating Members 1,346 Member For: 12y 8m 29d Gender: Male Location: Wollongong Posted 16/06/14 11:50 AM Share Posted 16/06/14 11:50 AM So even after looking over everything I can't work out why my car doesn't like being started when warm, and hates idling when I'n gear when warm. Thought it was the TB, changed that still no good. Haven't checked the spark plugs yet, but I can't see why it would do that. If it helps the AFR is super lean when it carries on like this, like off the ricter lean at idle, then will sort itself out after a quick squirt. Any ideas where to look? Also, feels like it's super sluggish making boost and feels like all of a sudden it works itself out and feels much stronger. Still not making the boost it's been commanded for, not even close. (Won't get over 9ish, should be closer to 15-16) Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 17y 2m 26d Gender: Male Location: Probably above atmospheric pressure Posted 16/06/14 03:01 PM Share Posted 16/06/14 03:01 PM Fuel pump not liking getting hot or blocked fuel filter or something? I'm just taking shots in the dark though. Link to comment Share on other sites More sharing options...
barnz Member 3,047 Member For: 11y 2m 30d Gender: Male Location: Brisbane Posted 16/06/14 10:04 PM Share Posted 16/06/14 10:04 PM Could be your plugs mate in regards to the warm starts, my 20 year old victa 2 stroke mower starts first go when cold, will not start hot, I just have a spare plug in my pocket. Change it and it starts first pull. A colder plug may help. In saying that I do use the correct plug so there is probably more to it than that.Obviously victa 2 strokes and barras are very similar....lol Link to comment Share on other sites More sharing options...
MA91CK billet turbos and weathered engines dont mix Donating Members 1,346 Member For: 12y 8m 29d Gender: Male Location: Wollongong Posted 16/06/14 10:04 PM Author Share Posted 16/06/14 10:04 PM Yeh really not sure Steve, it kicks fine when cold every time, when warm you need to crank it for like 3-4 seconds instead of 2-3 kicks like when cold, or do 2-3 kicks turn off back on and itll kick fine? Ill check fuel filter, could it be tune related? like the tune hasnt been set up for warm cranking? Link to comment Share on other sites More sharing options...
MA91CK billet turbos and weathered engines dont mix Donating Members 1,346 Member For: 12y 8m 29d Gender: Male Location: Wollongong Posted 16/06/14 10:06 PM Author Share Posted 16/06/14 10:06 PM Could be your plugs mate in regards to the warm starts, my 20 year old victa 2 stroke mower starts first go when cold, will not start hot, I just have a spare plug in my pocket. Change it and it starts first pull. A colder plug may help.In saying that I do use the correct plug so there is probably more to it than that.Obviously victa 2 strokes and barras are very similar....lolhaha very similar. Nah ill check when I get home, its coming off the road AGAIN anyway to do the flapper mod and a couple other things, Ill check the spark plugs then. What should I be running? itll have anywhere from 12-18psi through it. 0.6 gap? Link to comment Share on other sites More sharing options...
barnz Member 3,047 Member For: 11y 2m 30d Gender: Male Location: Brisbane Posted 16/06/14 10:12 PM Share Posted 16/06/14 10:12 PM (edited) 0.6 - 0.7 seems to be the go, ive heard of 0.5 or even less which seems unnecessary. The larger the gap you can run without blow out the better.And the std ford plugs are the go. I use ngk ifr6t11 without issue and they arent all that expensive but probably a waste of money really. Edited 16/06/14 10:15 PM by barnz Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 4m 27d Gender: Male Location: Perth Posted 16/06/14 11:44 PM Share Posted 16/06/14 11:44 PM .6 is too small IMHO. .75 is my limit. If your still blowing out spark @ .75 you need to look at new coils/voltage issues. 1 Link to comment Share on other sites More sharing options...
MA91CK billet turbos and weathered engines dont mix Donating Members 1,346 Member For: 12y 8m 29d Gender: Male Location: Wollongong Posted 16/06/14 11:54 PM Author Share Posted 16/06/14 11:54 PM Ok well I'll check and go from there. Any ideas with my symptoms Ralph? Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 4m 27d Gender: Male Location: Perth Posted 16/06/14 11:58 PM Share Posted 16/06/14 11:58 PM Basic'sAir and Fuel supply (can you check fuel pressure)Air leaks that would allow unmetered air into the engineBattey condition/Voltage when hot02 sensor conditionOr skip the guessing games and pull the codes and work from there. Link to comment Share on other sites More sharing options...
MA91CK billet turbos and weathered engines dont mix Donating Members 1,346 Member For: 12y 8m 29d Gender: Male Location: Wollongong Posted 16/06/14 11:58 PM Author Share Posted 16/06/14 11:58 PM It's fine in any part of the rev range/load/throttle other than sitting at idle and starting. Especially when in gear. Doesn't wana hold idle revs just conks out. And it only happens intermittently, but the warm starting issue is constant Link to comment Share on other sites More sharing options...
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