Question about 1986 Pontiac Firebird

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1986 pontiac fire bird 2.8 v6 enginge there is no fire going to the fuel pump the fuel gauge wire is hot but the pump wire is not what can i check

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Fuel pump relay fuse and the fuel pump relay, test them both

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Have a 1986 nissan 300zx V6 non turbo wont start, hear fuel pump runnung no oil pressure on gauge replaced oil pressure unit still wont start any helpful advise

a oil gauge reading maybe delayed until car starts and builds good oil press.Did you check for spark
was car running good before this happened? Do you have a rpm reading when cranking car?

Nov 02, 2011 | 1986 Nissan 300ZX

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I need the cilinder order and the firing order for a 1986 2.8 pontiac fiero v6

The firing order for this car from right to left is:- 4 Cylinder is 1-3-4-2. and V6 or 6 Cylinder is 1-3-6-2-5-4

May 02, 2011 | Pontiac Fiero Cars & Trucks

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Fuel going to carb, fuel pump working, no prob with fuel filter, enginge cranks over, but backfireing, enginge doesnt start. Have put starter fluid in carb, makes worse. i beliveve i have fire on points,...

I believe this is a fuel injected engine, not a carburetor engine.

Having said that, given what you've already checked and believe to be OK, I'd take a look at timing if I were you.

Could be a timing chain has either loosened or broken, allowing camshaft to get out of time relative to crankshaft. This could cause the backfire you describe.

However, before you go that far....after putting in the new plugs are you positive you got the spark plug wires correctly located ? Crossed wires could also cause a backfire.

Good luck!

Feb 02, 2011 | 1997 GMC Sierra

1 Answer

1991 pontiac fire bird fuel gauge sudenly over full had 1/4 tank yesterday?

the fuel sending unit that is in the fuel pump went bad, therefore giving you false readings, the only way to fix it is replace the fuel pump.

Nov 30, 2010 | 1991 Pontiac Firebird

1 Answer

I am looking a the firing order diagram for a 1986 pontiac 6000, 2.8 multi port f1

For the 1986 Pontiac 6000 2.8L V6:

Firing Order:

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

May 20, 2010 | 1986 Pontiac 6000

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Would a fuel pump for a 2005 firebird be compatible with a 2000 firebird? V-6?

only if the part number is the same or you have the specs for the pressures for each pump and you have the capability to mount and wire it up correctly if needed. I personally would recommend against it.

May 19, 2010 | 2000 Pontiac Firebird

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I need the firing order for an '86 fiero 2.8L V-6

The firing order for this car from right to left is:-

4 Cylinder is 1-3-4-2.


V6 or 6 Cylinder is 1-3-6-2-5-4.

Good luck and thanks for using Fixya.

Apr 11, 2010 | 1986 Pontiac Fiero

1 Answer

1986 golf gti 8v fuse problem

trace the wiresback 2 to the fuel pump. checks for nics n the wire for shorting out. check the relay and fuse for corrosion . relay may be bad

Jul 12, 2009 | 1986 Volkswagen Golf

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1999 fire bird wont start

Sounds like a fuel problem, when was the last time the fuel filter was chg.? If that is not an issue, than a fuel pressure test is in order, It should have around 48 to 50 p.s.i.

Jun 16, 2009 | 1999 Pontiac Firebird

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