Question about 1989 Pontiac Firebird

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My 1989 firebird 305 does not seem to be firing on cyl's 2,4,6,8 would start before but not now. could the module in the distributer be bad?

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  • edov4 Jul 16, 2009

    I had replaced the rotor and cap, new spark plugs but not the wires. Does it seem possible that the wires on 2,4,6,8 could all be bad? Can the module in the distributer cause this problem?

  • edov4 Jul 16, 2009

    I had replaced the rotor and cap, new spark plugs but not the wires. Does it seem possible that the wires on 2,4,6,8 could all be bad? Can the module in the distributer cause this problem?

  • edov4 Jul 17, 2009

    I had replaced the rotor and cap, new spark plugs but not the wires. Does it seem possible that the wires on 2,4,6,8 could all be bad? Can the module in the distributer cause this problem?

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  • 41 Answers

Could be, i would replace the distributer cap plus rotor,and new plug wires. hope was help

Posted on Jul 16, 2009

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1 Answer

Why is my 1989 Pontiac Firebird hesitating and now wont turn over?


How long since a tune-up? Include air filter, fuel filter, gas injector cleaner...Also check the Idle Air Control valve on your 3.4 V-6...It can be dirty or clogged over time...Located on the air intake plenum...your auto parts store can also show you a diagram...Fuel pressure must be constant also, your Firebird is worth having the fuel pressure regulator checked, as well as the fuel pump...

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Can't get number 2 cyclinder to fire. See spark when I pull the wire off. Looks the same as number 3 but can't tell if its fuel injector issue or not enough spark?


Have you switched the spark plugs to see if it is a bad plug ?
Switching the plug in cyl 2 with another cyl will tell you if the plug is bad if the problem moves to the other cyl.
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TIM..........

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1 Answer

1992 firebird. 305 v8. Dist. cap is not marked for #1, which terminal is it, and is the #1 cyl the left front or right front? Thanks a bunch.


For the 1992 Pontiac Firebird 305-ci = 5.0L V8:

Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
......(back)........
|..8..|.......|..7..|
|..6..|.......|..5..|
|..4..|.......|..3..|
|..2..|.......|..1..|
.......(front)
Distributor:
....(back)
(+).6...5
3............7
4............2
.....8...1.(+)-screw

Let me know if this helped, or if you have additional information or questions. Feel Free to contact us at FixYa.com!

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1 Answer

1989 pontiac firebird 305 v8 starts and idles


Your idle air control valve may be dirty or the wire harness may be damaged. First try cleaning the throttle body with throttle body cleaner and make sure you use all the can up and try to get the idle air control valve cleaned. A faulty or dirty idle air control valve will cause engine to stall when put in to gear from idle. Good luck and hope this helps. Keep me posted, be glad to help you get your car running 100% soon.

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1 Answer

I need to know the firing order of a 305 firebird and a diragram


1-8-4-3-6-5-7-2
find num 1 on the distributor and work clock wise
the cyl num are labaled on the intake manifold!!!

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1 Answer

Continuing Problem With 89 Pontiac FIrebird Alternator.


if your blowing fuses constantly for one becaful as this can cause a fire and you have some thing grounding out badly.i would start to slowly follow wires and look for bad fuesable links and loose wires.broken,craked so on and so forth.

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