Question about 1995 Geo Tracker

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Miss firing on #1 cylinder .lots of white smoke replaced injector.no change .170lb. compression on all cylinders.unplug injector not so much smoke.

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At times miss firing on one cylinder is caused by the valve

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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Mercedes c200 wont start lots of new parts white smoke comes out but says low pressure diesel rail replaced injector rail and two injector switches still wont start


WHITE SMOKE occurs when raw diesel comes through the exhaust completely intact and unburned. Some causes of this include
  • Faulty or damaged injectors
  • Incorrect injection timing (could be a worn timing gear or damaged crankshaft keyway).
  • Low cylinder compression (eg caused by leaking or broken valves, piston ring sticking, cylinder and/or ring wear, or cylinder glaze)

Jul 09, 2017 | Cars & Trucks

1 Answer

Replaced injector but white smoke is appearing


Whats the make/model?? Why did you replace the injector??

If the white smoke is the reason for replacing the injector, and you still have the symptoms, maybe it has dropped a cylinder- low compression on the cylinder, do a compression test, compare with other cylinders...

White smoke is heated fuel not hot enough to combust/burn...

Feb 06, 2016 | Cars & Trucks

3 Answers

My 2004 chevy trailblazer is missing badly. Had them read the code for me at auto zone and it said I had a miss fire on the number one cylinder. I changed the plugs and it is still missing badly


Try moving the coil pack from cylinder 1 to another cylinder (swap locations) and see if the same code comes up. If code is different, then coil pack is bad. Other reasons for miss; bad injector, poor compression.
Also, I know you changed plugs already, but always use AC Delco 43-103 plugs on this vehicle.

Sep 11, 2011 | 2004 Chevrolet TrailBlazer

2 Answers

Check engine light is on, they say multiple miss fire in cylcinder 6. but no one can find the problem van runs great


first do a cylinder compression test on engine to verify good engine compression this should be around 110psi to 175 psi check for vacuum leak, intake port for #6 cylindermay be leaking air, or also check coil for that cylinder, if wire and spark plug have already been changed, last replace fuel injector for that cylinder.

Jan 24, 2011 | 1996 Dodge Caravan

1 Answer

Cylinder number one stops firing, and black smoke comes out of the exhaust. I replaced the coil pack and spark plugs. when i unplug battery and reset the faults, it drives fine for a couple days. what...


honestly it sounds like you have a bad computer. there is a constant 12 volts going to each fuel injector and the computer momentarily grounds each fuel injector to activate, the black smoke is from too much gasoline and the missfire is probably from the injector either hanging open or being held open electricaly. next time it starts to missfire on number 1 cylinder try taking a stethiscope or long screw driver and put it on #1 fuel injector with the engine running and see if you hear a clicking sound. If not try unplugging the #1 Fuel injector. this won't fix the missfire but you can see if the black smoke clears up. if the smoke doesn't clear up with the injector unplugged and you are sure its # 1 cylinder thats missing, replace #1 fuel injector.

Jul 10, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Bmw 330d ...black smoke when idleing


Valve stem oil seal is worn. It doesn't smoke when injector disconnected because no compression as cylinder not firing with no fuel.

Apr 07, 2010 | 2003 BMW 330

1 Answer

I have a 04 ford 6.0 diesel . I have a miss in the engine . A computer check says number 7 cylinder imbalance .I removed #7 injector and # 3 and switched thier locations . The problem stayed with # 7...


Time for a compression check. That is very new to already have a serious problem, but I suppose you could have a cracked ring or head gasket leak.
By the way, diesels require a special compression gauge because they are much higher than gasoline engines. Perhaps you can rent one at Autozone?

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1998 Chevy s10 4 cylinder running rough


One thing to check is the fuel pressure regulator.
If the diaphram is leaking it will cause gas to be pulled into the vacuum system causing lots of white smoke and extreme rough running.

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95 Chevy Blazer 4.3 white smoke at idle


my 1988 chevy blazer 4x4 smokes on cold starts till it warms up then it goes away what is causing it

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