- Thread starter
- #51
98gstJames
Proven Member
- 250
- 47
- May 25, 2022
-
WInchester,
Virginia
Here's with MafRaw
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It looks better as the engine warms up... butMan that is frustrating. Your MAF reads solid, but your afratioest is all over the place. I wish I knew the exact calculation for it. Can you capture Baro? Heck, capture everything.
Base ignition set properly with a timing gun?
Running out of ideas here.
So my battery is completely toast, I have to start it with my jumpack every time and yes I had the ecu checked by ecmtuning about a month ago now and it doesn’t misfire it just kinda runs the same as it does once it’s warmed up, just seems like it wants to bog down and die sometimes before it fully warms up but no misfiring. I also I have no idea on the base ignition to be honest. I haven't messed with anything that could have changed timing since I've gotten it back from Rix Racing.It looks better as the engine warms up... but
I think the battery voltage is wavy. Should be a solid line.
Has this ECU been inspected and serviced for leaking capacitors?
Is the engine miss-firing as it warms up?
I think the voltage regulator in your alternator is dying, if not already dead. The battery won't make the voltage wavy, but the voltage regulator on the alternator will. The voltage will affect your injector performance, and the strength of the spark - so get that checked out. (remove it, take it to a shop - rebuild it if necessary). I keep two alternators - one in the car, and one on the shelf. They die all the time - especially if there is a lack of shielding between the alternator and the down pipe.So my battery is completely toast, I have to start it with my jumpack every time and yes I had the ecu checked by ecmtuning about a month ago now and it doesn’t misfire it just kinda runs the same as it does once it’s warmed up, just seems like it wants to bog down and die sometimes before it fully warms up but no misfiring. I also I have no idea on the base ignition to be honest. I haven't messed with anything that could have changed timing since I've gotten it back from Rix Racing.