PDA

View Full Version : Sr20 no start, possibly bad gas?


1988montecarloss
06-24-2017, 12:51 PM
Sr20 s13 with t28, 550 sti injectors and z32 MAF with rs enthalpy ecu tuned for the setup. Has spark, has fuel, good battery, turns over great but acts like it's not even trying to fire. Have checked over everything I can think of and the only thing that comes to mind is the gas has gone bad from sitting (5-6months) but even if that was the case I'd think it would still try to start and just run poorly

Other than that I'm out of ideas, any other things it could be? Very busy these days and have limited time to mess with the car so trying to get a list of everything I can check before I go mess with it again.

Gonna try to start it on starting fluid and drain the tank and fill with fresh 93 on Monday but won't have time to until then

1988montecarloss
06-25-2017, 12:16 PM
Tried it on starting fluid, still nothing. Car popped a couple times but still isn't even trying to start

wurley
06-25-2017, 12:34 PM
gas gone bad after 6 months :keke:
I just started a car last week that had been sitting for 3-4 years, ran fine.
Did it run before it sat? if not you might want to check timing and or compression

1988montecarloss
06-25-2017, 12:39 PM
gas gone bad after 6 months :keke:
I just started a car last week that had been sitting for 3-4 years, ran fine.
Did it run before it sat? if not you might want to check timing and or compression


Daily drove it until last December when I parked it because of winter, planned to big turbo It and didn't so only things that have changed is that I took the injectors/computer out and then put it back together

Timing has never been messed with and compression is 140-145 cold

wurley
06-25-2017, 04:49 PM
maybe try unplugging the maf or coolant temp sensor. My only guess is either the mixture is way to far off or the spark is too weak

jedi03
06-26-2017, 08:50 AM
check for teeth marks on wires...mice love to get warm in the wires for some reason...

1988montecarloss
06-26-2017, 05:24 PM
maybe try unplugging the maf or coolant temp sensor. My only guess is either the mixture is way to far off or the spark is too weak

Have tried both, it's acting like it's not sparking at all but if I pull a plug out and put it in a coil I can watch it spark

1988montecarloss
06-26-2017, 05:26 PM
check for teeth marks on wires...mice love to get warm in the wires for some reason...

Haven't seen anything but i suppose it's worth a look

wurley
06-26-2017, 08:56 PM
are the cylinders flooded with fuel?

1988montecarloss
06-27-2017, 05:49 PM
are the cylinders flooded with fuel?


Nope, the plugs will get wet and if I pull plugs and Crank it I can see fuel come out of the cylinder but it doesn't build up to the point where it fills the cylinder any

battery1882
06-28-2017, 12:09 PM
I would try to reset the CAS. Has it ran before?

1988montecarloss
06-29-2017, 04:32 PM
I would try to reset the CAS. Has it ran before?

Yes have daily driven this car 25k miles with basically the same setup

1988montecarloss
07-03-2017, 02:36 PM
Still not starting, have restabbed cas as per frsport writeup and have gone over every wire and connection and everything seems fine and still nothing, has to be the computer, sending it to Martin on Friday

RB25GUY
07-06-2017, 09:32 AM
ive had this issue with my RB same symptoms ended up being a mix between a bad MAF and a dying Fuel pump!!