symptoms of bad fuel injectors on 5.o liter

Asked by Nov 18, 2016 at 11:35 AM about the 1991 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

car jerks and stumbles on slow acceleration and around 50 to 60 mph

1 Answer

94,825

Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are :Starting issues, Poor idle, Failed emissions, Poor Performance, Engine does not reach full RPM, Increased fuel consumption, Rough engine performance, Surging and bucking under various throttle loads.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • misfire on slow accel on 5.0 liter eng on 91 merc grand marquis 1 answer

    misfire bad shudder on 5.o liter on my merc grand marq on slow accel but no bother if I shove the pedal down no shudder.. put on plugs wires coil ignition module, what else canit be tranny expert said...

    1991 Mercury Grand Marquis 4 Dr LS Sedan

    -

    Maintenance & Repair

  • New battery goes dead over night 19 answers

    2010 mercury grand marquis. New battery goes dead over night. Trunk light is off, glove compartment light is off, vanity lights in visors are off. AC compressor is not engaged when vehicle is not runn...

    2010 Mercury Grand Marquis LS

    -

    Maintenance & Repair

  • All of my brake lights have stopped working at the same time, I've checked all fuses and they are all good, what could be the problem?? 5 answers

    I noticed this problem after i got my car back from my mechanic, when he was doing a job that required him to take a part a good part of the engine and disconnecting the battery as well.

    1997 Mercury Grand Marquis 4 Dr LS Sedan

    -

    Maintenance & Repair

  • 2001 Grand Marquis front end clunk 5 answers

    Have a front end clunk, sounds like it's coming from the drivers side. fixed ball joints, sway bar bushings etc. Seems to happen when turning the wheel right and going over bumps. Driver side wheel...

    2001 Mercury Grand Marquis

    -

    Maintenance & Repair

  • Does this seem like a warped intake manifold? 59 answers

    One day after getting on the highway, my car began repeatedly misfiring and slowly losing power. After about 10 miles, it was running like total shit. Ended up changing the coil pack. Noticed one o...

    2003 Mercury Sable LS

    -

    Maintenance & Repair

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,210
#2 kbro
kbro
Reputation 2,040
#3 Js08016
Js08016
Reputation 1,620
View All

Related Models For Sale

Used Ford Crown Victoria
10 Great Deals out of 1,220 listings starting at $1,700
Used Lincoln Town Car
29 Great Deals out of 2,080 listings starting at $1,995
Used Honda Accord
811 Great Deals out of 81,613 listings starting at $899
Used Ford Taurus
254 Great Deals out of 20,514 listings starting at $1,500
Used Ford F-150
2,690 Great Deals out of 212,354 listings starting at $1,000
Used Cadillac DeVille
6 Great Deals out of 1,953 listings starting at $1,750
Used Ford Mustang
362 Great Deals out of 44,486 listings starting at $1,000
Used Chevrolet Caprice
175 listings starting at $13,998
Used Lincoln Continental
3,722 listings starting at $42,294
Used Toyota Camry
1,091 Great Deals out of 96,268 listings starting at $1,250

Used Cars For Sale

2011 Mercury Grand Marquis For Sale
33 listings starting at $3,900
2010 Mercury Grand Marquis For Sale
5 Great Deals out of 112 listings starting at $2,999
2009 Mercury Grand Marquis For Sale
3 Great Deals out of 108 listings starting at $2,998
2008 Mercury Grand Marquis For Sale
8 Great Deals out of 175 listings starting at $2,995
2007 Mercury Grand Marquis For Sale
4 Great Deals out of 161 listings starting at $2,400