Question about 1996 Chevrolet Tahoe

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1996 Tahoe #2 cylinder plug firing but not getting fuel.

Checked exhaust manifold by spraying with water. All hot except #2 cylinder. Been sitting for about 6 months and before that some bad gas had been put in it. Changed plugs, wires, and coil pack. Still no better

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  • 2,620 Answers

Sounds like the injector is clogged.I had a 1997 tahoe come in with the number 1 cylinder with the same problem and they just had all the injectors replaced 3 months before.I replaced the injector on that cylinder and problem fixed.

Posted on Oct 29, 2012


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SOURCE: 1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Posted on Jan 17, 2009

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SOURCE: 2003 chevy venture,cylinder3 misfire

Well you don't say what engine it has. I just had to put a helicoil in the head of a 3.4L 'cuz it had pulled the threads out of rocker arm bolt hole for cyl. #3. Car ran great afterward.

Posted on Feb 19, 2009

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SOURCE: I have a 97 chevy tahoe. I changed the spark

the number 6 cylinder is located (if you are looking at it from the front of the car) it is on the left side third cylinder back from the front. you probally have a bad injector that is just dripping fuel into that cylinder.

Posted on Jul 24, 2009

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SOURCE: I have a 2002 TrailBlazer with the straight

did you replace only one spark plug? that can cause issues because of differences in resistances between cylinders. also, did the map code stay off after replacing

Posted on Feb 28, 2010

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SOURCE: how are the spark plugs wired up on a 1990 chevy

Make sure that there are no dis-connected wire connectors or vacuum lines, and the spark plug wires must be in the correct order, here is a firing order diagram for that engine and vehicle, and let me know if you need any help to understand this firing order diagram of if you require any further assistance.


Posted on Sep 27, 2010

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There are a couple of things that might cause a backfire and NONE of them have any relation to electricity:
1. Engine timing, the relationship of the CAM and the CRANK shaft. IF a valve is open when the engine cylinder fires then the resulting action is a backfire.
2.Cylinder misfire: There is one cylinder exhausting unfired fuel to the exhaust manifold and if he manifold is hot enough, the fuel mixture ignites.

Jan 25, 2016 | Jeep Cars & Trucks

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It's dumping gas into the manifold and detonation in exhaust manifold during exhaust firing cycle

Hi Mark:
My train of thought is along the line that for unburned fuel to get into the exhaust manifold, it still has to go through a cylinder so there is either no spark to light it up, or it's so rich that it's not burning. Have you had a chance to check the plug tips for indicators as to what's happening in the combustion chamber?
Just an Old Dude thinking out loud and typing it down...

Jul 28, 2015 | Cars & Trucks

1 Answer

1998 toytoa miss fireing on # 2 cylinder

White smoke is caused by 2 things. First water, second anti-freeze. One of these are mixing in cylinder 2.
First check your radiator levels and see if it is slowly draining.
Get an oil change. If it looks like a milk shake then you have anti-freeze mixing with your oil which would point toward a head gasket.

Second, check for excess water. Make sure your plugs are tight and boots are seated fully. Check the plug in cylinder 2 and see how it is burning. White(Too Hot), black(Too Rich), just right...

Lastly, check your exhaust manifold for cracks. The 98 tacomas have a cast manifold that WILL crack eventually. Mine cracked at 180K. You may just have water entering through the manifold near cylinder 2. You will have to remove the heat shield to get a proper look.

Jun 16, 2014 | 1998 Toyota Tacoma

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I have a 1994 Chevy s10 truck with a 4.3 liter - vin W. The problem Im having is number 2 cylinder and number 3 cylinder dont seem to be firing properly. Changed plug,wires,cap and rotor. Has spark, and...

probably the injectors are not working
run the fault codes or have the injectors for those cylinders checked
check wiring connections for the harness

Mar 31, 2017 | 1994 Chevrolet S-10 Blazer

1 Answer

Tercel flooding at random times, sparks coils injectors and filters all ok

Sounds like the "cold start routine" is missing its cue. The cold start sequence raises idle, and enriches fuel ratios. For a limited time during warm-up. Some cars use 2 sensors for the water temp. This means that the sensor which operates the water gauge or idiot light is different from the Engine Management sensor. So except for the flooding problem you would not know if it was working.

Did you check to see if the 4th injector was dry after replacement?

Another idea for richness is that fuel pressure is too high or that there is an air leak on the intake. This could coincide with not drawing in fuel to number 4 cylinder. Also, a lean condition on number 4 would ramp up the fuel to the other 3 cylinders as some metering systems are based on exhaust AVERAGES.

A simple test on a running engine with a spray bottle of water will produce a change in RPM once water is drawn into the air leak. This will pinpoint the problem.

I hope my solutions is helpful.

Jun 08, 2012 | 1995 Toyota Tercel

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Honda Accord 1994 Rough Idle, often miss cylinder 2-3 changed the distributer, the coil, spark plug, spark wire cleaned the egr valve, pcv valve, vaccum I noticed the engine miss the cylinder 2 and 3

Sounds like a dirty Throttle Body and dirty IAC (Idle Air Compensator) valve. Get some good Throttle Body cleaner remove the flexible hose at the Throttle Body spray it and wipe it very very clean an old tooth brush works good for getting in there.

Now remove the IAC from the side of the throttle body, careful with the gasket if you want to reuse it. Spray it down good inside moving the valve back and forth as you do let it soak for a few minutes and clean it again. Blow it out with some compressed air and reinstall it. Put some throttle body/injector cleaner in the fuel tank.

Keep us updated.

Oct 04, 2011 | 1994 Honda Accord

3 Answers

Do I have to take the timming belt off to do a head gasket on a 1999 chevy malibu v6 3.1L

The 3.1 engine does not have a belt,it is a chain motor.You do not need to remove timing chain to remove head.

Apr 12, 2011 | 1999 Chevrolet Malibu

2 Answers

Spark plug wiring diagram for 98 tahoe car is missing need to know which wire goes were

You didn't post your engine size so please pick the applicable diagram:

1996-98 4.3L Engines Firing Order: 1-6-5-4-3-2Distributor Rotation: Clockwise

1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise

4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise

4.8L, 5.3L and 6.0L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)

5.0L, 5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

Feb 14, 2010 | 1998 Chevrolet Tahoe

1 Answer

Cylinder #2 Misfire-after intake manifold replaced

It's possible he has two plug wires crossed, or pulled a spak plug wire apart replace #2 spark plug wire First. To test check the firing order and make sure all the wires on the right plugs and the correct place on the distributor, if it is right, then buy a can of carburator cleaner and spray around the intake gasket if the engine revs up when you spray the carb cleaner around the intake manifold with (engine running) if the engine rpm revs up you have an intake leak.

Jul 03, 2009 | 1997 Chevrolet Tahoe

1 Answer

I need a diagram of a 1995 ford escort engine

96 escort 1.9L


Engine Components
Item Part Number Description 1 6766 Oil Filler Cap 2 6A548 (8 Req'd) Valve Cover Bolt 3 6582 Valve Cover 4 — Exhaust Manifold Shield-to-Exhaust Manifold Nut (4 Req'd) 5 9A462 Exhaust Manifold Shield 6 — Exhaust Manifold Shield Stud (4 Req'd) 7 9430 Exhaust Manifold 8 9454 Exhaust Manifold Nut 9 9448 Exhaust Manifold Gasket 10 — Exhaust Manifold Stud (Fine Thread), Short (4 Req'd) 11 — Exhaust Manifold Stud, Long (1 Req'd) 12 — Exhaust Manifold Stud (Medium Thread), Short (1 Req'd) 13 6518 Valve Spring Retainer Key 14 6514 Valve Spring Retainer 15 6513 Valve Spring and Damper, Intake 16 6C515 Valve Tappet Guide Plate Retainer 17 6571 Valve Stem Seal 18 6513 Valve Spring, Exhaust 19 12405 Spark Plug 20 6269 Camshaft Thrust Plate 21 — Camshaft Thrust Plate Bolt (2 Req'd) 22 — Cup Plug 23 6B273 Camshaft Oil Flow Control Rod 24 6K292 Camshaft Front Seal 25 6256 Camshaft Sprocket 26 6278 Camshaft Sprocket Washer 27 6K252 Camshaft Sprocket Retaining Bolt 28 6L269 Camshaft Sprocket Key (5 x 18) 29 6250 Camshaft 30 6051 Head Gasket 31 6A008 Cylinder Head to Block Dowel 32 6010 Cylinder Block 33 6507 Intake Valve 34 6505 Exhaust Valve 35 6049 Cylinder Head 36 — Intake Manifold Stud (7 Req'd) 37 17A084 Engine Lifting Eye 38 — Engine Lifting Eye Bolt (2 Req'd) 39 9439 Intake Manifold Gasket 40 — Bolt 41 9723 Accelerator Cable Bracket 42 9424 Intake Manifold 43 — Intake Manifold Nut (7 Req'd) 44 9D476 EGR Valve Gasket 45 — Exhaust Gas Recirculation (EGR) Valve Bolt (2 Req'd) 46 9D475 EGR Valve 47 — Fuel Injection Supply Manifold Bolt
(2 Req'd) 48 9F593 Fuel Injector 49 9D930 Fuel Charging Wiring 50 6786 Oil Level Indicator Tube Bracket 51 — Oil Level Indicator Tube Bracket Bolt 52 6754 Oil Level Indicator Tube 53 6750 Oil Level Dipstick 54 9D280 Fuel Injection Supply Manifold 55 — Vacuum Fitting 56 9E498 Main Emission Vacuum Control Connector 57 — Vacuum Tap 58 — Vacuum Hose 59 9B989 Throttle Position Sensor 60 — Screw and Washer 61 9F782 Throttle Position Sensor Gasket 62 — Throttle Body Bolt (4 Req'd) 63 — Idle Air Control (IAC) Valve Bolt
(2 Req'd) 64 9F715 Idle Air Control Valve 65 9F670 Idle Air Control Gasket 66 9E926 Throttle Body 67 9E936 Throttle Body Gasket 68 — Vacuum Fitting 69 — Camshaft Position Sensor Screw 70 6B288 Camshaft Position Sensor 71 8255 Water Hose Connection Gasket 72 — Water Hose Connection Bolt (3 Req'd) 73 8592 Water Hose Connection 74 8575 Water Thermostat 75 6065 Cylinder Head Bolts 76 6500 Valve Tappet 77 6K512 Valve Tappet Guide Plate 78 6564 Rocker Arm 79 6A528 Rocker Arm Seat 80 6A527 Rocker Arm Bolt (8 Req'd) 81 — Ignition Coil Mounting Bracket Bolt
(3 Req'd) 82 18827 Noise Filter Condenser 83 — Ignition Coil Mounting Bolt (4 Req'd) 84 12259 Spark Plug Wire Set 85 12029 Ignition Coil 86 12043 Ignition Coil Mounting Bracket A — Tighten to 5-12 Nm (4-9 Lb-Ft) B — Tighten to 5-7 Nm (3-5 Lb-Ft) C — Tighten to 21-26 Nm (16-19 Lb-Ft) D — Tighten to 2-10 Nm (1.5-7 Lb-Ft) E — Tighten to 8-13 Nm (6-9 Lb-Ft) F — Tighten to 40-55 Nm (30-41 Lb-Ft) G — Tighten to 16-20 Nm (12-15 Lb-Ft) H — Tighten to 20-30 Nm (15-22 Lb-Ft) I — Tighten to 8-10 Nm (6-8 Lb-Ft) J — Tighten to 8-11 Nm (6-9 Lb-Ft) K — Tighten to 23-30 Nm (17-22 Lb-Ft) L — Tighten to 20-40 Nm (15-30 Lb-Ft) M — Tighten to 4.5-7 Nm (3-5 Lb-Ft) N — Tighten to 18-26 Nm (13-19 Lb-Ft)

Feb 24, 2009 | 1995 Ford Escort

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