HELP! Car won't fire after Turbo Install - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Gavmen · 07-15-2015, 11:26 PM

I'm gonna go with what AVOturboworld said.

I had a faulty 3 Bar MAP sensor, and it would just keep trying to crank and not turn over.

Plug the factory one back in and see how you go.

gav

steve99 · 07-15-2015, 11:30 PM

if you have changed MAP sensor or injectors its unlikely it will start or run on stock tune.

and it can actually be bad for engine as it may run extremely rich with unscalled replacement injectors.

RedFR-s · 07-16-2015, 12:36 AM

I swaped my stock map for 3 bar when I bought the kit. So that's the problem then?

Running stock injectors, only upgraded fuel pump. i can confirm it was priming and pressurizing the line.

RedFR-s · 07-16-2015, 12:37 AM

I don't have any files to tune, was running open flash but am getting Ecutek from my tuner tomorrow so I'm stuck on stock tune.

RedFR-s · 07-16-2015, 12:39 AM

Quote:

Originally Posted by steve99

if you have changed MAP sensor or injectors its unlikely it will start or run on stock tune.

and it can actually be bad for engine as it may run extremely rich with unscalled replacement injectors.

i was working on testing the system to make sure it would run. i'm getting it towed to my tuner tomorrow.

RedFR-s · 07-16-2015, 12:41 AM

Quote:

Originally Posted by D_Thissen

Hmm sorry I am not much more help dude. Who is doing the tune?

Sasha form On Point is doing it for me.

Knshro13 · 07-16-2015, 12:47 AM

swap the map sensor and try again.

RedFR-s · 07-16-2015, 12:51 AM

Quote:

Originally Posted by Knshro13

swap the map sensor and try again.

Unfortunately I don't have another one. I got the kit used and I saw it all running on his car about a week before I bought it, so I'm assuming it still works ok.

Knshro13 · 07-16-2015, 12:56 AM

Sorry, I meant swap your map with your stock one.

When you were running the Open Flash, it was on the stock Map sensor right?

RedFR-s · 07-16-2015, 01:16 AM

Quote:

Originally Posted by Knshro13

Sorry, I meant swap your map with your stock one.

When you were running the Open Flash, it was on the stock Map sensor right?

I swapped my stock MAP for the 3 Bar one when I got the turbo kit. So I can't even try the stock one.

Knshro13 · 07-16-2015, 01:22 AM

ahhh my mistake.

Hope you get it sorted buddy.

Sportsguy83 · 07-16-2015, 09:48 AM

Quote:

Originally Posted by RedFR-s

I swapped my stock MAP for the 3 Bar one when I got the turbo kit. So I can't even try the stock one.

Your car will not start unless the tune is tweaked for a 3 BAR MAP sensor. It's a simple table with two values the tuner can quickly change, but without that little change, it just won't start.

bee_are_zee · 07-16-2015, 09:51 AM

I'm thinking fuel pump. What pump are you using? When I installed my full blown 270 (longer than stock) I tried to just shove everything back together and it would prime and would build some pressure but not enough. After I zip tied the filter on and added a few o rings on the neck it worked fine.

King Tut · 07-16-2015, 10:17 AM

Quote:

Originally Posted by Sportsguy83

Your car will not start unless the tune is tweaked for a 3 BAR MAP sensor. It's a simple table with two values the tuner can quickly change, but without that little change, it just won't start.

This. I ran into the same exact problem when I swapped my MAP sensor out. The voltages for the MAP sensor have to be changed in the tune before the car will start. Find a local buddy and put his OEM MAP sensor on to verify the car will start.

07-16-2015, 12:36 AM	#17
RedFR-s Builder/Driver/Enthusiast Join Date: Mar 2013 Drives: 2013 FR-S 6MT Turbo Firestorm Location: SW ON / Central KY Posts: 474 Thanks: 103 Thanked 101 Times in 84 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	I swaped my stock map for 3 bar when I bought the kit. So that's the problem then? Running stock injectors, only upgraded fuel pump. i can confirm it was priming and pressurizing the line. __________________ Andy 1977 Triumph Spitfire 1500 - New Project 2013 Firestorm FR-S 6MT Turbo - Sold 2013 Honda CBR 250 Repsol- Toy 2017 Toyota Tacoma - The Rig

07-16-2015, 12:37 AM	#18
RedFR-s Builder/Driver/Enthusiast Join Date: Mar 2013 Drives: 2013 FR-S 6MT Turbo Firestorm Location: SW ON / Central KY Posts: 474 Thanks: 103 Thanked 101 Times in 84 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	I don't have any files to tune, was running open flash but am getting Ecutek from my tuner tomorrow so I'm stuck on stock tune. __________________ Andy 1977 Triumph Spitfire 1500 - New Project 2013 Firestorm FR-S 6MT Turbo - Sold 2013 Honda CBR 250 Repsol- Toy 2017 Toyota Tacoma - The Rig

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07-15-2015, 11:26 PM	#15
Gavmen Member Join Date: Nov 2013 Drives: dmg brz 2012 Location: Brisbane, Australia Posts: 13 Thanks: 0 Thanked 4 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I'm gonna go with what AVOturboworld said. I had a faulty 3 Bar MAP sensor, and it would just keep trying to crank and not turn over. Plug the factory one back in and see how you go. gav

07-15-2015, 11:30 PM	#16
steve99 Banned Join Date: Dec 2013 Drives: FT86 Location: Australia Posts: 7,998 Thanks: 1,035 Thanked 4,987 Times in 2,981 Posts Mentioned: 598 Post(s) Tagged: 2 Thread(s)	if you have changed MAP sensor or injectors its unlikely it will start or run on stock tune. and it can actually be bad for engine as it may run extremely rich with unscalled replacement injectors.

07-16-2015, 12:47 AM	#21
Knshro13 Senior Member Join Date: Feb 2013 Drives: 10 series FRS Location: San Gabriel Valley Posts: 259 Thanks: 52 Thanked 314 Times in 110 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	swap the map sensor and try again.

07-16-2015, 12:56 AM	#23
Knshro13 Senior Member Join Date: Feb 2013 Drives: 10 series FRS Location: San Gabriel Valley Posts: 259 Thanks: 52 Thanked 314 Times in 110 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Sorry, I meant swap your map with your stock one. When you were running the Open Flash, it was on the stock Map sensor right?

07-16-2015, 01:22 AM	#25
Knshro13 Senior Member Join Date: Feb 2013 Drives: 10 series FRS Location: San Gabriel Valley Posts: 259 Thanks: 52 Thanked 314 Times in 110 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	ahhh my mistake. Hope you get it sorted buddy.

07-16-2015, 09:51 AM	#27
bee_are_zee Senior Member Join Date: Nov 2013 Drives: GBS BRZ Location: Kentucky Posts: 256 Thanks: 42 Thanked 98 Times in 60 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I'm thinking fuel pump. What pump are you using? When I installed my full blown 270 (longer than stock) I tried to just shove everything back together and it would prime and would build some pressure but not enough. After I zip tied the filter on and added a few o rings on the neck it worked fine.

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