Question about 1999 Chevrolet Tracker

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I have a 1999 chevrolet tracker.It idles rough,runs rough,real lean.The tailpipe is black,black & burns alot of fuel.I changed tps sensor,still problem.Engine light on & off.The first codes was # 2 cylinder not firing,tps & some kind of transmission module??.Changed plugs,help very little,light came back on #4 cylinder not firing.It is giving all kinda different trouble codes .Thank u for your time.My e-mail is kbourque@nederland.k12.tx.us

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5 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 740 Answers

SOURCE: fuel leaks from tailpipe,with smoke while running.

Bad injector first, or bad intake gasket, then damaged head. Good Luck contact me if you need more help. Its has to one of the above.

Posted on Dec 16, 2008

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Anonymous

  • 34 Answers

SOURCE: I have a 2003 Tahoe. The check engine light is on.

i would start easy and run a bottle of injector cleaner through it. Good Luck

Posted on Mar 14, 2009

Anonymous

  • 1392 Answers

SOURCE: Idles okay, runs rough when gas applied

Either a bad MAP sensor, or TPS. What is the code for the check engine light? This will most likely tell you what it is.

Posted on May 27, 2009

Stealth_Mode

  • 79 Answers

SOURCE: rough idle

Barring any mechanical issues you most likely have a failed injector.

Posted on Aug 14, 2009

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2 Answers

Black smoke>fuel consumption>rough idle


Hi there:
Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor.

How did the fuel get into the cylinder in the first place? Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil as in the white smoke example to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Call your mechanic and advise him of what you have found.

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Mar 04, 2012 | Cars & Trucks

2 Answers

I have a 97 k1500 that is burning fuel like crazy, it is running very lean, and seem to be misfiring often. I've change the spark pulgs and found that the entire left side 4plugs was black with suit. The...


If its burning fuel and the plugs are black with soot, then its burning rich. the codes you said are P0300 generic misfire and P1153 heated O2 sensor B2 S1, I would first suspect that O2 sensor. Bank 2 is the passenger side (right side) of the engine and doesn`t explain why the left side plugs are black with soot, unless you say the left side by looking at the front of the engine. If this is the case then definitely replace the forward O2 sensor in front of the catalytic converter on the passenger side of the engine.

Apr 10, 2011 | 1997 Chevrolet K1500

1 Answer

I have a 1996 Chevrolet Pickup 1500 series with a 4.3 liter V6. It will not idle and runs rough. I changed the injector system, thecontrol module and pickup module. This did not help. Any suggestions would...


could be egr system , intake air sensor , tps, vacuum leak, map sensor, bad distributor cap, wires, plugs, best way is to install a real time scanner( not a code scanner) with a fuel pressure guage, that should help narrrow your search

Nov 06, 2010 | 1996 Chevrolet C1500

1 Answer

1996 chevy g10 van with 5.7. when cold seems to start right up but after warmed up very hard starting and when it does start it idles real low and rough than starts ilding high and smooth but has black gas...


Any check engine light? When you start out cold the computer plugs in numbers for the sensors until the engine warms up then it relys on the sensors which sound like are going bad. I would suspect an oxygen sensor first since this will cause the lean then rich situation you describe. auto parts stores have scanners they will hook up free and this would show if the voltages coming from the 02 sensor are off. Also the scanner will show cross counts which is the voltage moving up and down in response to rich and lean air mixture detected in the exhaust. If this is helpful please reply and good luck

Apr 27, 2010 | Chevrolet G10 Cars & Trucks

1 Answer

1996 Galant runs rough until gas pedal pressed about quarter way down,then runs fine.Car is running lean.Not sure how to check if fuel pump is working correct,or maybe MAS?


You should have your TPS and EGR looked at as those cause rough idles...Other causes are bad idle air control valve, bad plugs, bad distributor cap & rotor, a bad wire, bad O2 sensor, etc...

Aug 25, 2009 | 1996 Mitsubishi Galant

1 Answer

Idles okay, runs rough when gas applied


Either a bad MAP sensor, or TPS. What is the code for the check engine light? This will most likely tell you what it is.

May 27, 2009 | 1994 Chevrolet C1500

1 Answer

99 chevy tracker is running very rough at idle


yes both of these items can cause your problems

May 17, 2009 | 1999 Chevrolet Tracker

1 Answer

Fuel leaks from tailpipe,with smoke while running.


Bad injector first, or bad intake gasket, then damaged head. Good Luck contact me if you need more help. Its has to one of the above.

Dec 16, 2008 | 2001 Chevrolet Blazer

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