Help!! Car Wont start

[jl93sundance]

I'm finishing up converting my 94' sundance to a 2.5 turbo with 90/91 turbo auto electronics. The car is timed, its getting spark and fuel, and it cranks, but will not start. I don't know where to start, i've looked over all of my grounds and they seem to be good. Theres no codes either. Where should I start looking now, its getting to be really frustrating. Any input would be great. Thanks

[jl93sundance]

actually I'm getting code 37, would that cause the car not to start?

[86trbolancer]

code 37 says: Baro read solenoid--solenoid not turning on and off properly

sounds like it could be the problem...


and here is a site with all the codes if you need to check others anytime

http://minimopar.knizefamily.net/fault/index.html

[3nglenn]

Try hooking your MAP sensor up to a direct engine vacuum source and (bypass the solenoid) see if it at least try's to start.

[jl93sundance]

ok, I got it running, the injector harness was bad, but now I have a miss, im getting codes 21,27,37 now. I'm not sure how to narrow it down, im getting signal to all of the injectors with a noid light. Could it be possible im not getting the full voltage to the injector which is causing it not to fire? I've also narrowed it down to the #3 cylinder/injector.

[turbovanman²]

ok, I got it running, the injector harness was bad, but now I have a miss, im getting codes 21,27,37 now. I'm not sure how to narrow it down, im getting signal to all of the injectors with a noid light. Could it be possible im not getting the full voltage to the injector which is causing it not to fire? I've also narrowed it down to the #3 cylinder/injector.

Either a bad connection-most likely, or a bad injector. Get it warmed up a bit and check the resistance to say #2 and compare.

[jl93sundance]

I pulled the fuel rail out last night and cranked and they are all spraying equally, I replaced the baro, and that fixed that code, but now i'm getting code 21. it is still running extremely rich and still has a miss. Could the miss and the extreme amount of fuel be related?

[turbovanman²]

I pulled the fuel rail out last night and cranked and they are all spraying equally, I replaced the baro, and that fixed that code, but now i'm getting code 21. it is still running extremely rich and still has a miss. Could the miss and the extreme amount of fuel be related?

Rich can cause it to rich misfire and that would set code 21. I would do a compression test, verify fuel pressure and double check your firing order. If everything checks out, unplug the ox sensor and see what happens.

[jl93sundance]

Well I ran a compression test today and #3 is way low, so I ran a leakdown test and it seems I have a burnt exhaust valve. I hope that is it, not a piston. I think it was caused by the f@cked up injector harness. Oh well looks like i'll be putting my +1mm head from tvanlant on now.

[turbovanman²]

Glad you found it. Most likely you have TBI valves in the head, which are weaker and melted with the added heat.

If you did a leakdown, then you know what went wrong, its not hard to figure out,