Question about 2005 Ford Mustang

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2005 mustang gt

Car is running lean and plugs are misfiring

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Old but cant help it had this with a dirty maf sensor

Posted on Feb 21, 2015

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If check engine light is on its probably the O2 "oxy. sensor" or the temperature sensor. O2 would mess up your fuel mixture, and cause some miss-fires. Temp. would make the auto choke stick, and mess up your mixture.

Posted on Dec 17, 2008

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Have you changed the air filter at all

Posted on Nov 25, 2008

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Replaced fuel filter yet ? have you checked fuel pressure and the fuel regulator

Posted on Sep 03, 2008

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2 Answers

2000 chevy silverado p0171 ; p0174; p0300


Sounds like you have a serious vacum leak.; DTC 0174 and 0174 are lean conditions on bank 1 and bank 2, 0300 is random misfire. The only thing I can think of is a big vacum leak like the brake booster / vac line leaking, or maybe the intake manifold is cracked ... even a stuck-open EGR doesn't normally lean a motor that much. Start by checking for a vacum leak, if the motor will idle you can spray a little WD-40 around ports and lines >> if the idle speeds up or becomes smooth you on the right track in the area you judt sprayed.

Feb 26, 2015 | 2000 Chevrolet Silverado

1 Answer

05 mustang gt had plugs changed. And the shop put colder plugs in. Now after some playing around i get random miss fires


check your coil packs or your ignition leads other than that if it continues change the plugs if it still happens take it to a mechanic sorry i couldnt be of more assistance

Feb 15, 2015 | 2005 Ford Mustang GT

1 Answer

My 2006 mustang gt misfires under load in higher rpms


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

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Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Feb 28, 2012 | 2006 Ford Mustang

1 Answer

SYSTEM TOO LEAN BANK 2 MUSTANG 2002 3.8 ENGINE


Generally if the vehicle is running lean on one side the O2 sensor is bad. The oxygen sensor is normally located at the back of the exhaust manifold, and there is one on each side. It is best to replace both at the same time to save money and problems later on.

Dec 25, 2011 | 2002 Ford Mustang

1 Answer

My 2005 mustang GT was scanned and the following codes came back: P0171 AND P0174. What does these mean


P0171 Means system is to lean on bank #1. P0174 Means system to lean on bank #2.

Dec 14, 2010 | 2005 Ford Mustang

3 Answers

My 96 mustang gt 4.6L automatic is running like


vacuum leak. it wiil cause a misfire code to be set because too lean from vacuum leak.

Feb 14, 2010 | 1996 Ford Mustang

2 Answers

2005 Focus. engine light is on and codes say bank one running lean... Any idea as to where to start? Did tune up and have replaced O2 sensors recently


Try a fuel line/injector cleaner you may have a blockage affecting fuel flow causing the low (LEAN) fuel to bank one code. Raz,..

Aug 21, 2009 | 2005 Ford Focus

1 Answer

2003 ford mustang


HI, i have the samme problemeon my mustang gt 2006
idid hevriting ,plug chek wires , and the probleme was the valve was sticking on the guide ,we change the head , and now it is very jood, good luck
it was misfiring whit no code

Sep 04, 2008 | 2006 Ford Mustang

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