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V10, idle sputters at low rpm, like it is misfiring

Seems to be every time we go camping and hit washboards. put bg44 k in and new air filter. recently replace fuel filter. could it be coil packs or injector clips vibrating loose?

Posted by Anonymous on


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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 33 Answers

SOURCE: Triton V10 Engine Shudders under load

have your fuel system vacuumed out our excursion did it as well the injectors are not at fault it is the fuel lines

Posted on Aug 07, 2008

  • 208 Answers

SOURCE: 2005 Ford Taurus Sputtering

stickingvalves collapsed lifters bent push rods fault ignition or damadged spark plug wires start it up at night look under the hood for sparks jumping from wires replace fauilty wires

Posted on Jun 22, 2009

  • 5572 Answers

SOURCE: engine stalls

The throttle position sensor has a small amount of adjustment in it. The plastic case has a slight slot in it. On the opposite side of the TPS on the air horn you will see a throttle stop with a hard to move screw. You need to get some play on that screw to have slack to adjust the TPS. I think it was good for 100+rpm at base idle.
This may help you, but check you EGR for diaphram and carbon buildup.

Posted on Jun 28, 2009

  • 167 Answers

SOURCE: I have a misfire on cylinder #2 DOHC 3.0 Tuarus 2002

I would also check the front pulley as this is what is used by the crank angle sensor to tell the computer when to fire which coil pack .If the sensor or pulley is damaged it can cause random or continuous cylinder misfires.
Make sure the pulley is tight on the crankshaft at that the rubber in between the inner and outer parts of the pulley is not damaged or slipping.also check for any signs of rub damage on the back of the pulley.When the aircon compressor springs into action it places extra load on the crankshaft pulley.Hope you follow.
Let me know what you see.
Hope this helps.......

Posted on Jul 21, 2009

  • 5572 Answers

SOURCE: I have a 2003 ford

Check for Intake Manifold leaks with either a water mist from a spray bottle or Choke cleaner. Do this while the engine is running and you will know about a leak with an RPM change. I read about some intakes were 2 piece and the intermediate gasket leaks.

Also you could clean the MAF on the air intake with Electric cleaner. If you have an old fashion Vacuum gauge you could plug in and see how steady Valves are closing by watching the Vacuum bounce from misfires.

Would like to know results on this case.

Posted on Nov 03, 2010

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1999 rv with ford v10. Starts good, idles good, runs good FOR 5 MILES..then if it idles , it dies...still seems to run ok as long as the rpm is over 1000 (IDLE). Ford shop says needs new fuel pump.

Did Ford tell you the pressure of fuel was LOW? They should know what they're doing.
Does it have an idle air control valve (IACV) ? Have you cleaned the MAF sensor? don-ohio (:^)

Nov 17, 2016 | Ford Cars & Trucks

2 Answers

2002 rodeo, starts and when put on gear stalls

Automatic transmission ??
Check engine lamp illuminated ??
Cold engine idle speed ??
Warm engine idle speed ??
IAC (Idle air control) system operation ??

May 28, 2015 | 2002 Isuzu Rodeo

2 Answers

When my car warms up it will not stay started it will die unless i keep my foot on the gas petal to prevent it from dying

Change the sir-filter and fuel-filter. Also clean out the air-filter box the filter sits in. If the problem persists, remove the air-intake duct that goes to the throttle body for obstructions. Also look at the air-horn and throttle-plate. Is there carbon in the air-horn and throttle-plate? If so, carefully clean the airhorn and throttle-plate with a clean, dust-free rag sprayed with automotive solvent.

If you still have the pronlem, you might consider the engine temperature-senser.

Mar 08, 2015 | Mazda Cars & Trucks

1 Answer

1995 geo tracker sputters and stalls and wont idle

need more input. (8valve or 16valve engine , which option?)
black top engine , or silver 16)?
does it fail, cold or hot engine or both?
does it have full power from engine , at all speeds and loads (hills)?
and wide open throttle power.?
ever do the 60k tune up, not just a fuel filter?

how old is the fuel?
the pump/reg holds 34-43 all times...running.
sputter, from too low RPM ? below 800
or idle fast, but sputters at 800 and more?
if the latter, that is called misfire.
if the former that is lost of idle controls.
need to now which engine. because the are worlds apart.
EFI wise !

but here is a page on misfire. "sputter"
50 reaons and more causes.
we dont guess, we do about 5 tests and bingo....

when was the last time it ran good,?

Jan 16, 2014 | 1995 Geo Tracker

1 Answer

Spit and sputter

you are not supposed to adjust the idle, ever. that is the ECUs job.
adjusting it , now, means you have lied to the ECU.
it wont ever be right again. leave that screw alone, its a factory set

nice guess though, very carb like guess. Is common idea... sure...
its EFI. and has Idle speed controls.
if the engine misfires, (yours is) the RPM drops, the ECU tries to
raise idle 2 ways, by opening the ISC and advancing timing.(spark)

this can fail easy , if any EFI engine misfires.
what happens is the ISC has lost control..
lets use 1 example , 1 cylinder is dead, the ISC can NOT fix that. nor idle right.
the solution is to leave the idle alone.
then fix misfire, than last fix the ISC functions.,

but i get ahead of myself......

Did you do the 60,000 mile full tune up as listed in the oper guide?
no? well misfire is going to happen. (new spark parts and filters)

tune it up. if still misfire. we diagnose that 2nd, and fix it.

there are tests for each step. I can show you them, all of them.

there are over 50 causes of misfire.
here is a great list. and is not complete. !!!

one common cause is a leaky EGR main valve
now that guy is very pesky , even stalling engine
every traffic stop.

Jan 11, 2014 | 1996 Toyota Camry

2 Answers


timing is off or fouled spark plugs causing misfire. put in new plugs then have mechanic check timing.

Jul 06, 2009 | 2003 Toyota Camry

1 Answer

2005 Ford Taurus Sputtering

stickingvalves collapsed lifters bent push rods fault ignition or damadged spark plug wires start it up at night look under the hood for sparks jumping from wires replace fauilty wires

Jun 22, 2009 | 2000 Ford Focus

1 Answer

2001 dodge 2500 v10 has low idle

On my 06 v10 there is a idle adjustment screw at the linkage on the throttle body.
clean air filter
clean sensor in the air intake ram
try some 93 octane

Feb 04, 2009 | 2001 Dodge Ram 2500 Truck

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