Jammer75
Well-known member
- May 5, 2021
- 465
- 401
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That’s not the tune of the car(it’s a sample map in the link program) Not sure how to have the ecu sees the laptop.first off that MAP is very poor, it has never been properly tuned as the rows would not progressively go up like they do and the one cell with "0" should not be zero this is not what's making it not run but there is so much more drivability in that motor once tuned thats why your plugs are so black
That was made on 7-14-2005. It says v5. Version 5 I would think that’s new enough. Regardless it can always be tuned by a handheld tuning module.
I didn’t make any changes to anything with the start of this problem. Is it more engine related with the different compression numbers?That was made on 7-14-2005. It says v5. Version 5 I would think that’s new enough. Regardless it can always be tuned by a handheld tuning module.
That appears to just be some rtv(or whatever I used last time I did the valve covers. Since that cylinder is getting so much gas I assume that’s causing the low number. No oil leaking though. I’ve got good spark on all 4 coils.this is just a shot in the dark one of the holes for the coils looks like the gasket is blown out did it soak the coil with oil and stop that cylinder from fireing. which could of washed down the cylinder giving you that low compression number
Judging from what I found, pic included I should be able to get this to be read by the laptop. But I can’t figure out the port thing.I didn’t make any changes to anything with the start of this problem. Is it more engine related with the different compression numbers?
Other than getting fuel psi readings not sure where to go if I can’t get laptop to hook up to it where can I find a hand held?
is it time for a new (used)ej20 and a updated ecu and rewire and tune? (I’ve been waiting for this day to come)
I hate to not know why I have this issue and just through things at it.
I agree, but coming. back from a powerful ride everything ran great, idle was great. That cylinder has had a lot of raw fuel in it from trying so much to get it started. Is it possible that the gas washed down the cylinder so much it has that reading? Should I try squirting a little oil in there to help it and check reading again, could it be a valve(noticed a ticking from that side for a while?)I didn’t see your compression readings. But if it is way off then all bets are off no motor could run well if you had poor compression
John I sent you an emailThat all sounds like a good plan but it may be cheaper to at least let me see it for 2-3 hours before spending a lot more money and perhaps your motor might come back and finish the year