Question about Chevrolet Impala

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My 1985 impala 4 3 v6 is backfiring when accelorating

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Can be one of four things, exhaust lobe on camshaft is worn off, or lifter, exhaust can be stopped up such as catalytic converter also, if the engine is running to lean of fuel it can also cause backfire check fuel filters

Posted on Mar 23, 2011

Check for a loose timing chain

That is assuming, you didn't put the
problem in there, working on the ignition

Posted on Mar 23, 2011

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Posted on Jan 02, 2017

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I have a 2008 Chevy Impala lt it was cutting out every now and again then check engine light came on with the error code p0303 hubby changed all plugs and wires and now when you crank the car it is running...


I doubt the problem is a head gasket.
It sounds like a wiring problem or something affecting the injectors and/or ignition. A very lean fuel mixture could cause the running rough and backfiring problems. So could an ignition problem where the plugs are firing on the wrong cylinders.
The V6 engine does use plug wires, and its possible some of the plug wires are on the wrong plugs.
A leaking intake gasket could also cause the symptoms.

Mar 06, 2015 | 2008 Chevrolet Impala

1 Answer

Firing patern for 2000 chevy impala


For the 2000 Chevrolet Impala 3.8L V6:

Firing Order:
1-6-5-4-3-2

firing order for 2000 impala Google Search

Aug 27, 2014 | 2000 Chevrolet Impala

1 Answer

Why 96 impala backfire when i try to start it


The most likely cause of that problem would be the ignition distributor assembly. Inspect it and replace with new parts if you see any wear or carbon deposits. They are usually pretty inexpensive. Check the engine timing. If that all sounds difficult you could try just loosening the distributor and making minor adjustments in the direction that seems to help.

Jun 29, 2014 | 1985 Saab 900 Hatchback

1 Answer

I need to now how to fix the timeing on a 1985 chavy impala and how to sat the time and the firying order on the car


V6-262 4.3 VIN 7 TBI
V6-262 4.3 VIN Z TBI
V8-305 5.0L
V8-350 5.7L
V8-350 5.7L DSL ?????????????????????????

Jun 03, 2011 | 1985 Chevrolet Impala

1 Answer

Fireorder for sparkplugs


Thanks for using FixYa!

For the 1985 Chevrolet S-10 Blazer:
I do not know if you have the 2.5L L4 or the 2.8L V6, however I have included both below....

For the 2.5L In-Line 4-Cylinder:
Firing Order:
1 - 3 - 4 - 2
Cylinders:
(back)
'..4..'
'..3..'
'..2..'
'..1..'
(front)
Distributor:
...(back)
.....(+) - screw
2.........1
4.........3
.....(+) - screw

For the 2.8L V6:
Firing Order:
1 - 2 - 3 - 4 - 5 - 6

Cylinders:
....(back)....
'.5..........6.'
'.3..........4.'
'.1..........2.'
....(front)
Distributor:
.....(back)
.....3....4.(+) - screw
..2...........5
(+).1....6
.....(front)
Let me know if this helped......

Sep 18, 2010 | 1985 Chevrolet S-10 Blazer

1 Answer

2001 chev impala firing order


For the 2001 Chevrolet Impala
I do not know if you have the 3.4L or 3.8L however I have included both below:

For the 3.4L V6:
Firing Order:
1-2-3-4-5-6
Ignition Connections:
............(back)...........
.'.5..2.'..'.3..6.'..'.4..1.'
............(front)

For the 3.8L V6:
Firing Order:
1-6-5-4-3-2
Cylinders:
.....(back).....
'...2...4...6...'
___________
'...1...3...5...'
.....(front)

Ignition Coil Connections:
(back)
o 6
o ---3
o 2
o ---5
o 4
o ---1
(front)

Sep 12, 2010 | 2001 Chevrolet Impala

3 Answers

I NEED THE DISTRIBUTOR CAP FIRING ORDER FOR A 1985 OLDS. CUTLAS V6.


1985 Oldsmobile Cutlass Salon 3.8 liter V-6

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Hope this helps.

Aug 17, 2010 | 1985 Oldsmobile Cutlass Salon

2 Answers

Firing order for plugs and wires....on a v6 3800 2000 impala


For the 2000 Chevrolet Impala 3.8L V6:

Firing Order:
1-6-5-4-3-2

Cylinders:
.....(back).....
|...2...4...6...|
___________
|...1...3...5...|
.....(front)

Ignition Coil Connections:
(back)
o <---6
___
o <---3
o <---2
___
o <---5
o <---4
___
o <---1
(front)

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

Apr 18, 2010 | 2000 Chevrolet Impala

1 Answer

1985 ford ranger runs good for a couple of days


Is it carburated? Rebuild it. Backfire is fuel leaving engine without burning popping in exhaust system. Bad valves?

Mar 06, 2010 | 1985 Ford Ranger

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