wont start need help

Forum for the Xterra, Frontier and Hardbody, the smaller workhorses of the Nissan lineup!
moneymike
Posts: 286
Joined: Sat Dec 12, 2009 11:13 am
Car: 1991 nissan d21 hardbody

Post

hey guys
as most of you know i turbo charged my d21
as of yesterday i put a safc in it to pull fuel and tune it with
before i put the safc in the car it ran really rich but it ran and everything was ok. after i wired up the safc the car wont start it will crank and crank for days on but wont start i had a few friends comes check it out to see if they knew. but still nothing i undid all the wiring from the safc and put everything back to the way it was before i touched anything. and still the same things it cranks but wont start. so i rewired the safc and gave it another shot and went through everything to check if i missed anything and it still wont start. i ran the codes on it and the only code that came back was 41 which is the iat sensor which i have disconnected for the time being but it ran fine with out that so i erased the memory and still the car would not start. we tried to push start it and still nothing. the battery is good has a strong crank it but the car just wont start. im going to go out and check it one last time again tomorrow and if i cant get it to start ima take it to the shop and see whats up.
so if anyone has any ideas or knows whats happening let me know asap
and btw i just changed the head gasket the day before all this and the car ran fine and i didnt push it or anything


rizzobc
Posts: 111
Joined: Wed Jun 17, 2009 1:38 pm
Car: 1987 nissan hardbody

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Its sounds like maybe no fuel. check you fuzes and see if you have one blown.

moneymike
Posts: 286
Joined: Sat Dec 12, 2009 11:13 am
Car: 1991 nissan d21 hardbody

Post

its getting gas i pulled one of the spark plugs and it smelled of gas so we thought we flooded it checked the relays they are fine and you can hear the fuel pump

seang
Posts: 2026
Joined: Tue Dec 16, 2008 8:09 pm
Car: Ford Fiesta ST
Location: Michigan

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You didn't mention anything about checking for spark.

rizzobc
Posts: 111
Joined: Wed Jun 17, 2009 1:38 pm
Car: 1987 nissan hardbody

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that was my next question...

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RT22
Posts: 841
Joined: Wed Jul 01, 2009 9:55 am
Car: 1991 nissan hardbody

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The wire up popped something as it is still bad with the thing removed, keep it off and check fuses and fusible links under hood and hope you did not fry the ignition or ecu. Once you get that fixed try the safc again and be careful about wiring try to find out what went wrong there.

moneymike
Posts: 286
Joined: Sat Dec 12, 2009 11:13 am
Car: 1991 nissan d21 hardbody

Post

changed the spark plugs and it started up
now i got a bad rear main seal :squint:
gunna start the tear down tomorrow for that

seang
Posts: 2026
Joined: Tue Dec 16, 2008 8:09 pm
Car: Ford Fiesta ST
Location: Michigan

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You might have more crankcase pressure now, especially if you thrash it. Got any dyno numbers?

moneymike
Posts: 286
Joined: Sat Dec 12, 2009 11:13 am
Car: 1991 nissan d21 hardbody

Post

no numbers yet i wanna make sure it runs fine before i go to dyno it

jvillstangman
Posts: 7
Joined: Mon May 31, 2010 1:39 pm
Car: 93 hardbody 95 hardbody sr20det swap 89 mustang vert

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what kind of turbo swap did you do i'm in the middle of an sr20det swap out of a s14 silvia. i'm up to my eyeballs in wiring


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