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Check engine light was on in 99 Mercury Grand Marquis, went to autozone to run codes they came up as F1131 and F1151 which was for fuel injectors. I was told that Lucas Oil Fuel Injector cleaner would solve problem, is this true or is there a bigger issue?

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  • Katy Nov 19, 2013

    Also car sometimes chugs a bit in the morning when I start it, I let it warm up and the chugging usually goes away after a couple minutes. And it is not a very noticeable chugging.

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  • Cars & Trucks Master
  • 1,615 Answers

Gasoline itself a solvent, therefore its an excellent injector cleaner in of itself. No additives I have ever used worked, ended up replacing things anyway. Save some money, don't buy the lucas treatment, get some new injectors installed. Might not be a bad idea to change out your fuel filter also.

Posted on Nov 19, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: 99 tacoma

Still need the codes.
Injectors can go "bad" in a couple of different ways; all they are is an electromagneticaly controlled nozzle. When the ECU "fires" the injector, it pulses a ground circuit for 4-8 milliseconds, the electromagnet powers up, the valve at the bottom of the injector opens, and the fuel shoots out, under pressure. The wire can be bad/chafed/corodded/ The electromagnet may be weak. The nozzle may be stuck. Lots of things. But, to put in an injector for a number 4 cylinder misfire (p-0304 code) would be one of the last things that I would do.

Posted on Nov 21, 2008

  • 49 Answers

SOURCE: 2005 Ford Escape Rough Idle - engine code state lean fuel mixture

I recommend getting a repair manual from an auto store for your vehicle. They run $15 to $20. It will tell you exactly how to do everything you asked and also give you the values that should be expected. Hope this helps.

Posted on Feb 08, 2009

  • 1779 Answers

SOURCE: check engine light on

I had to do some digging to find this info: The code is P2716, which is a problem with the 'transmission pressure control solenoid D or it's circuit.' It is located on the transaxle valve body. There apparently is a technical service bulletin (TSB) # 1406 concerning this. If your Corolla is still under warranty, the dealer will fix it, which is, according to what I could find, replacement of the computer that controls the transmission. The bucking problem you described may have actually been a transmission shifting problem, a symptom of this code the cars computer threw. If you did get some debris drawn out of your gas tank due to the low level, the injector cleaner might help, but it has nothing to do with this code. I would recommend you have the fuel filter replaced (to address the low fuel tank, possible debris drawn into fuel line issue), and check w/ the dealer about the TSB, it covers '05 thru '07 Corollas.

Posted on Mar 27, 2009

dturnlund
  • 45 Answers

SOURCE: engine runs rough at idle and bucks at highway

I had a similar problem in a 1994 Taurus, and after spending nearly 300$ on ignition parts, it turns out the problem was a bad spark plug wire that cost me 8.88$ to replace.

Posted on Mar 01, 2010

Testimonial: "n.o. 1 spark plug wire it is. thank you"

  • 118 Answers

SOURCE: 2003 cadillac deville rough idle with blinking ses

have the head gasket checked,pretty common on these

Posted on May 07, 2010

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Let me know if you have been fixed.

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