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76 Z turns over but no start; so I noticed that the alternator belt was really loose.
A friend gave me a jump then the car came back to life but was missing
real bad. I couldn't get over 35 mph on the freeway goin home. When I
got there I tightend the belt and car started right up but still had the miss
just not nearly as bad and after drivin it for a few the miss would worsen.
so I parked the car and attempted to restart the next morning and the car
ran real rich ; like it was runnin on 3 cylinders - then wouldn't run at all.
This car ran perrrfect up until that day.
I'm getting strong blue spark, I can hear fuel pump,injectors, I swapped out temp
sensor and cleaned connections, new battery and wires etc. It also wouldn't
light up even after I sprayed start fluid into throttle body.
Did I fry something due to jump start ?
help my baby's grounded.
 

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> 76 Z turns over but no start; so I noticed
> that the alternator belt was really loose.
> A friend gave me a jump then the car came
> back to life but was missing
> real bad. I couldn't get over 35 mph on the
> freeway goin home. When I
> got there I tightend the belt and car
> started right up but still had the miss
> just not nearly as bad and after drivin it
> for a few the miss would worsen.
> so I parked the car and attempted to restart
> the next morning and the car
> ran real rich ; like it was runnin on 3
> cylinders - then wouldn't run at all.
> This car ran perrrfect up until that day.
> I'm getting strong blue spark, I can hear
> fuel pump,injectors, I swapped out temp
> sensor and cleaned connections, new battery
> and wires etc. It also wouldn't
> light up even after I sprayed start fluid
> into throttle body.
> Did I fry something due to jump start ?
> help my baby's grounded.

Ron, i read a similiar thread earlier that Phantom answered regarding checking the fuel regulator. this happened to me also and it was either a bad air temp sensor (inside your air flow meter) or a bad regulator. the alternator belt was probably unrelated. if it proves to be unrelated to fuel, and an electrical problem instead, check your fusible links just off the positive lead from the battery. from time to time my car would just die and not restart until i got out and jiggled these 2 fusible links. i even replaced them, so there must have been a short in the housings they plug into.
 

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Make sure your fuel injectors are properly grounded. My 76 280z did the same thing

> Ron, i read a similiar thread earlier that
> Phantom answered regarding checking the fuel
> regulator. this happened to me also and it
> was either a bad air temp sensor (inside
> your air flow meter) or a bad regulator. the
> alternator belt was probably unrelated. if
> it proves to be unrelated to fuel, and an
> electrical problem instead, check your
> fusible links just off the positive lead
> from the battery. from time to time my car
> would just die and not restart until i got
> out and jiggled these 2 fusible links. i
> even replaced them, so there must have been
> a short in the housings they plug into.
 

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Back to Engine Temp Sensor

ron -
go back to your engine temperature sensor. follow the leads from the sensor head for about 16-18. You'll see a lump in the wiring. Pull the insulation away and you will see bullet connectors where the leads connect to the wiring harness. Pull these apart and clean them. If they are badly corroded they will have high resitance which makes your ECU thinkthat the engine temperature sensor is telling it htat the car is cold. It then increase the pulse duration on the injectors and you blow huge clouds of black smoke out your exhaust.
You probably have also fuel fouled your spark plugs by now. Take them out, clean them and dry them VERY thoroughly and try again.
Good Luck
Phantom
 
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