gas peddle to floor to start, help!!!
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Car: 1990 trans am
Engine: 350 tpi
Transmission: 700r4
gas peddle to floor to start, help!!!
i have a problem,i have to floor the gas peddle to get my car to start. it's a 1990 ta 350 speed density. i have changed thi iac, the map sensor, and the tps. even after the car starts it still run a little rough untill it warms up. any help?
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Car: '83 Berli, '84 Berli, '84 Z28 HO
Engine: L69, LG4, L69
Transmission: TH700-R4, TH700-R4, T-5
Axle/Gears: 3.08, 3.08, 3.73 Posi
sounds like it may be flooding? i know that is a general rule for carbs is if you have to press it to the floor itis because ussually it is flooded.. with a tpi i am not positive though...
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Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
My car had the same problem. 305 86 TPI. I can't for the life of me remember what the problem was. I would crank it, it wouldn't turn over, then I'd push the pedal down and it would start right up. Maybe a worn/dying out MAP sensor? Change your PCV valve? Oh I remember- changing my fuel filter is actually what fixed it but it sounds like that may be a different issue. Leaky injectors is possible as well.
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Car: '83 Berli, '84 Berli, '84 Z28 HO
Engine: L69, LG4, L69
Transmission: TH700-R4, TH700-R4, T-5
Axle/Gears: 3.08, 3.08, 3.73 Posi
Yes. if you have leaky injectors then reguardless of how long you let it sit it would still have a little bit of a flood effect.
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
When you push the pedal all the way down during cranking there will be no fuel put in.
When the TPS is greater than 80% IIRC, there is "flood clearing" type of thing in effect. Your injectors may be leaking down and the fuel is already too much so when stopping additional fuel from entering, the motor starts.
This is only in effect during cranking below 300 rpm. After that the fuel runs normally.
When the TPS is greater than 80% IIRC, there is "flood clearing" type of thing in effect. Your injectors may be leaking down and the fuel is already too much so when stopping additional fuel from entering, the motor starts.
This is only in effect during cranking below 300 rpm. After that the fuel runs normally.
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Car: 1990 trans am
Engine: 350 tpi
Transmission: 700r4
of course but no peddle and it will crank till the cows come home and no start. a little peddle and no start. peddle all the way to the floor and it starts albeit hard.
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Car: 1987 Black IROC-Z (SOLD)
Originally posted by 90tararebird
of course but no peddle and it will crank till the cows come home and no start. a little peddle and no start. peddle all the way to the floor and it starts albeit hard.
of course but no peddle and it will crank till the cows come home and no start. a little peddle and no start. peddle all the way to the floor and it starts albeit hard.
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Car: 80 GMC K35
Engine: TPI 355
Transmission: NV4500
Axle/Gears: 4.10
Install a fuel pressure gauge, turn the key on and off a few times so the fuel pump builds up full pressure, and watch for any significant loss of pressure on the gauge after a minute or two.
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Car: trans-am
Engine: tpi
Originally posted by 90tararebird
of course but no peddle and it will crank till the cows come home and no start. a little peddle and no start. peddle all the way to the floor and it starts albeit hard.
of course but no peddle and it will crank till the cows come home and no start. a little peddle and no start. peddle all the way to the floor and it starts albeit hard.
Its worth a try...
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