wont start
wont start
I have a 1992 Firebird 3.1 and it wont start. It turns over like a champ and is getting fuel, injectors are firing and plugs are firing, but it wont start any idea of what to do. Replaced distributor cap, rotor and module on distributor. Also checked the injectors, plugs and wires. NEED HELP TO GET IT RUNNING AGAIN!!!!
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Joined: Oct 2005
Posts: 1,050
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From: Glen Park, NY
Car: 1987 IROC-Z
Engine: TPIS II Supercharged w/Nitrous
Transmission: 700R4 Probuilt
Axle/Gears: 3:73 Richmond 12 Bolt
Re: wont start
I have a 1992 Firebird 3.1 and it wont start. It turns over like a champ and is getting fuel, injectors are firing and plugs are firing, but it wont start any idea of what to do. Replaced distributor cap, rotor and module on distributor. Also checked the injectors, plugs and wires. NEED HELP TO GET IT RUNNING AGAIN!!!!
Ensure you plugs aren't Fuel Saturated and wet, If they are replace them, Don't attempt to burn off the fuel with a Torch..
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Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Re: wont start
starting fluid
If it will not even try to start on it, you have bad spark.
If it does try and start but dies out, you have fuel problems.
If it will not even try to start on it, you have bad spark.
If it does try and start but dies out, you have fuel problems.
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Joined: Dec 2012
Posts: 1,356
Likes: 15
From: northern VA
Car: 88 Sport Coupe Camaro
Engine: V6 2.8
Transmission: Borg-Warner T-5
Axle/Gears: RPO/GU6: 3.42
Supreme Member
iTrader: (1)
Joined: Oct 2005
Posts: 1,050
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From: Glen Park, NY
Car: 1987 IROC-Z
Engine: TPIS II Supercharged w/Nitrous
Transmission: 700R4 Probuilt
Axle/Gears: 3:73 Richmond 12 Bolt
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Re: wont start
you can also check the resistance on the injectors. You need to do this when they are cold and warm if possible. If any of them read 12.0 ohms or less then coils are failing.
Re: wont start
What got it fixed?
After a short run sometimes my '89 base bird (2.8 mpfi)won't restart for anything. Leave it alone for a while and starts right up. Other than that it runs great. Spark might be a little orangish (low voltage)but I think it might be a SECURITY issue, not sure yet.
Wouldn't start even with starter fluid, so I'll be looking at spark but I'm wondering why it otherwise runs flawlessly.
After a short run sometimes my '89 base bird (2.8 mpfi)won't restart for anything. Leave it alone for a while and starts right up. Other than that it runs great. Spark might be a little orangish (low voltage)but I think it might be a SECURITY issue, not sure yet.
Wouldn't start even with starter fluid, so I'll be looking at spark but I'm wondering why it otherwise runs flawlessly.
Last edited by skido; Feb 11, 2013 at 04:45 AM.
Supreme Member
Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Re: wont start
^ burnt out FP relay system, so only when the engine hits 7psi of oil pressure, does the back up switch kick in and the car then starts. So you have to crank once or twice
only happens in the cold to me [below 40]
only happens in the cold to me [below 40]
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Joined: May 2022
Posts: 9
Likes: 3
From: Iqaluit,Nunavut,Canada
Car: 1986 Trans am
Engine: 305 Carb Engine code : LG4
Transmission: Aut
Re: wont start
We can all learn from old archive and even old treads
1986 Pontiac Trans am 305 carburetor, Wouldn't Start
Check my spark plugs,and found out worms out and smel llike fuel,weet
One spark plug was unscrew and to my big surprise a wire was cut
I replace all spark plug change the wires and also put lots starting fuel in choke and carb
Let it stand 5 hours to let the fuel starter clean up gums and old gas and to give it time to evaporate
Then it started like a new car, hope this can be useful to any one out there.
1986 Pontiac Trans am 305 carburetor, Wouldn't Start
Check my spark plugs,and found out worms out and smel llike fuel,weet
One spark plug was unscrew and to my big surprise a wire was cut
I replace all spark plug change the wires and also put lots starting fuel in choke and carb
Let it stand 5 hours to let the fuel starter clean up gums and old gas and to give it time to evaporate
Then it started like a new car, hope this can be useful to any one out there.
Re: wont start
We can all learn from old archive and even old treads
1986 Pontiac Trans am 305 carburetor, Wouldn't Start
Check my spark plugs,and found out worms out and smel llike fuel,weet
One spark plug was unscrew and to my big surprise a wire was cut
I replace all spark plug change the wires and also put lots starting fuel in choke and carb
Let it stand 5 hours to let the fuel starter clean up gums and old gas and to give it time to evaporate
Then it started like a new car, hope this can be useful to any one out there.
1986 Pontiac Trans am 305 carburetor, Wouldn't Start
Check my spark plugs,and found out worms out and smel llike fuel,weet
One spark plug was unscrew and to my big surprise a wire was cut
I replace all spark plug change the wires and also put lots starting fuel in choke and carb
Let it stand 5 hours to let the fuel starter clean up gums and old gas and to give it time to evaporate
Then it started like a new car, hope this can be useful to any one out there.
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92camaroJoe
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Aug 13, 2015 06:07 AM








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