Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
#1
Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
Can’t get my b18c1 turbo build to run.
It has sat 2 whole years in my garage while I was away for work.
I had it idling perfect last week, turned it on and off multiple times that day.
As soon as I tried to back it down the driveway in reverse, it died and won’t idle anymore.
It will idle with throttle given, but pops and bangs and puffs smoke.
Quick breakdown:
Wiseco/Eagle bottom end
Edelbrock victorX intake manifold
Rc1000’s
Walbro 255
Hondata s300
Hondata 4bar Map
Unsure what turbo it is.
I’ve done 2 compression checks. All cylinders in the 190’s.
Done 2 leak down tests. No issues
I am getting fuel at the fuel rail, no problems there.
Fuel has been drained and replaced with 91 octane.
Spark plugs replaced (yes I am getting spark I have checked that)
What could it be? Injectors? Bad MAP sensor?
When the car is trying to idle (with throttle applied and very poorly, when I remove the MAP from the Intake manifold it continues to run the same no changes).
Maybe it’s the MAP?
Its strange that it idled so well multiple times in a day then the time I go to drive it, dies.
Next step is downloading Hondata to a laptop and plugging it in, that may give me more clues.
No engine codes/lights on the dash.
Thanks guys. It’s been years since I’ve been on here since I did a d16 vitara turbo build and an h22 ej1 build.
It has sat 2 whole years in my garage while I was away for work.
I had it idling perfect last week, turned it on and off multiple times that day.
As soon as I tried to back it down the driveway in reverse, it died and won’t idle anymore.
It will idle with throttle given, but pops and bangs and puffs smoke.
Quick breakdown:
Wiseco/Eagle bottom end
Edelbrock victorX intake manifold
Rc1000’s
Walbro 255
Hondata s300
Hondata 4bar Map
Unsure what turbo it is.
I’ve done 2 compression checks. All cylinders in the 190’s.
Done 2 leak down tests. No issues
I am getting fuel at the fuel rail, no problems there.
Fuel has been drained and replaced with 91 octane.
Spark plugs replaced (yes I am getting spark I have checked that)
What could it be? Injectors? Bad MAP sensor?
When the car is trying to idle (with throttle applied and very poorly, when I remove the MAP from the Intake manifold it continues to run the same no changes).
Maybe it’s the MAP?
Its strange that it idled so well multiple times in a day then the time I go to drive it, dies.
Next step is downloading Hondata to a laptop and plugging it in, that may give me more clues.
No engine codes/lights on the dash.
Thanks guys. It’s been years since I’ve been on here since I did a d16 vitara turbo build and an h22 ej1 build.
#2
Honda-Tech Member
re: Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
It sounds like by the end of the driveway it was warming up , and thus fell out of tune.
Are you tuning it? With what settings? upload a Datalog or base map .
How were you planning on tuning it ? No laptop , or dataloging.
There is a procedure for checking the MAP sensor, do it if suspect.
Are you tuning it? With what settings? upload a Datalog or base map .
How were you planning on tuning it ? No laptop , or dataloging.
There is a procedure for checking the MAP sensor, do it if suspect.
#3
re: Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
I'm suspecting fuel or tune related. No cel=no sensor problem. Check map settings and TPS calibration in Hondata, hell, try loading a base map to see if it works out. Sitting for that long takes its toll.
#5
re: Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
Yes.. Verify pressure, not just whether or not the pump primes. The pump can still prime and provide fuel to the rail and all that good stuff but still cause a no start issue because it's not working right; ask me how I know this. Lol!
#6
re: Troubleshooting B18C1 Turbo has idling problems with current setup *SOLVED*
I replaced the 4bar MAP with a brand new one that we borrowed and it runs great. Thanks for the input guys.
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