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Motor lopes while idling

Moter misses and lopes while idiling

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2005 dodge cummings has real bad miss and blows white smoke at idle and when driving

You might want to watch your coolant level. Open your radiator, fill it to full, and start the truck. If bubbles form, you might have a broken head gasket. Also, check to see how your water seperator and fuel filter are looking. But it sounds kind of like a head gasket.

Mar 29, 2012 | 2005 Dodge Ram 2500 Truck

2 Answers

Engine idles rough at red lights begins loping rpms drop to almost killing, then cycles back to normal, then repeats rough idle drop in rpms and loping, back and forth until I rev engine or take off

You could have a clogged fuel filter, if you haven't changed it in awhile. You could have a leak in the intake system somwhere also. When you slow down, you get less power to the engine. It may need spark plugs and wires as well, if in need for a tune up.

Mar 02, 2011 | 2001 Nissan Altima

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Engine vibrates when idiling in drive only does not vibrate in park or neutral or reverse has new motor supports (all) recent tuneup cant determine cause (the motor runs so smooth except while idiling then...

Check your throttle body gasket, if it's leaking unmetered air it will idle high, this coupled with a bad ignition coil, plugs not properly gapped or old/worn as well as old/worn spark plug wires will cause a misfire that may not trip the CEL light. Also check your idle air control valve to ensure it's working and clean on the inside of the throttle body.

Nov 28, 2010 | 2002 Kia Spectra

1 Answer

What exactly is the iac valve? It sounds like there are rocks inside the supercharger. I just wonder if fixing the coupling would make the car stop missing and loping? Could it be the iac valve causing the...

The Idle Air Control valve is what monitors your idle air/fuel mixture. It is is not functioning at normal parameters, then the car will not idle properly. It sounds like your supercharger my have a faulty bearing and may need to be repaired. Your idle issues may be linked to the IAC but it could also be your throttle control sensor. Another problem is the throttle plate shaft will wear on the housing and cause a vaccuum leak causing the air/fuel mixture to be lean. Do you have any trouble codes? If so, have these codes read and it will narrow down the problem.
Hope this helps.

Jun 19, 2010 | 1998 Pontiac Grand Prix

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Is there anywhere to download chiltons manuals free online

there is no such thing free, if you need info just post then some one may be able to help you

Mar 25, 2010 | 1993 Geo Prizm

1 Answer

Started loping then died and won't start

check the connection on the starter but make sure it has oil in the motor and its not locke up

Aug 15, 2009 | 1989 Chevrolet C1500

1 Answer

My moter shakes when idiling rev it up runs smooth also leaks antifreeze dont know where its going

check the oil.....if not in there check the tailpipe for white smake........still missing. Headgasket..........

Jun 23, 2009 | 1998 Oldsmobile Intrigue

1 Answer

1996 Cobra Mustang surging or loping wont run right, missing

You should check the engine coolant temprature sensor (ECT).

May 31, 2009 | 1997 Ford Mustang Cobra

1 Answer

Engine Intermittent Stalling and Missing/Loping

***** is correct adn yoru issues are not a quick fix.. some sensor is acting up and /or computer is being told to do something .....get full scope done and dig towards cause that way

Nov 02, 2008 | 2006 Dodge Dakota

1 Answer

Chyrsler sebring lxi 1995 2.5 v6 24 valve

ok this sounds easy when you ran the vehicle the computer controled the idiling motor now that you replace the idiling motor the computer hasnt been reset to except the new parameters
once you reset computer this should bring the idle back down to its specified idle
you can also adjust back of gas pedel the idle cable and on the throttle body by the idling screw

Jun 13, 2008 | 1995 Chrysler Sebring

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