Question about 1995 Nissan Sentra

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My ga15de engine,when the car is all warmed up it holds back and when hot it doesn't idle and cuts off

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Air flow meter,throttle position sensor,or iac

Posted on Jul 17, 2009

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Check your idle air control valve

Posted on Jul 15, 2009

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1 Answer

1992 F-350 w/460. Why does it run roughly after warmed up?


Does it run rough at hot idle ? How many miles ? Any recent work done on engine ?

Nov 05, 2015 | Ford Cars & Trucks

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1986 Mercury grand Marquis cutting out when slowing down nearly impossible to start. Oil changed, new air filter, new plugs and wires, new fuel filter...?


I had an experience with a 1984 T-Bird with a 302. The 1986 may have the same system. With that car there was a temperature sensor that affected the idle speed once the car was close to warming up.
With even later models there is a "cold start sequence" which is an electronic way of replacing the ancient choke. The "cold" feature set the fuel mix and the RPM and made starts easier. Now you did not say if the starting problem was when hot or cold or both.

The poor performance when slowing down can be related to the idle rpm being set too low once the thermal switch cuts out. What happens is someone tunes the engine for a rpm that may be correct for the car, but the thermal switch has not dropped the rpm yet. Then when the car really heats up, the idle drops even lower and when you take off your foot from the throttle, the throttle closes too much and the engine cuts out when you are slowing.

Put in a new thermostat. The idle settings can not be set until the thermal switches activate to a run position. Also you may have some vacuum lines crossed which are making the cold and hot cycles reverse. There should be a label with vacuum line routing shown stuck on a part that holds the radiator.

May 31, 2015 | Mercury Cars & Trucks

1 Answer

1998 suzuki swift idle problems 4 speed 1300cc


no engine type stated, there are 6 engines used.
but bad idle is caused by 2 things.
  • misfire.
  • or lean AFR, lean fuel mix.. causes HUNTING
the ECU can also cause the hunt if it can not hold hot idle to spec.
most cars is 800rpm.

Jun 26, 2014 | Suzuki Swift Cars & Trucks

1 Answer

I started the car to warm up when i came back out to leave car was off,and wouldnt start anymore,starter seemed like it got hot


stock car?
or modified with remote start (bad)

ever do a tune up this decade or every 60k miles>?
you placed your hand on the starter casing>?
the engine runs at up to 200F hot. and the starter is bolted to the
engine and will go to about 150F, that is hot, and normal.
in Alaska, less on starter, but same for coolant.(inside)_

it stall, stalls are complex but i can reduce it to a physics, answer.
1: engine lost compression or cant pump air (its an air pump)
2: lost spark (that tune up waiting. a voice calling , tune me up)
3: bad fueling, too much called flooding or starvation.
4: idle controls failed.

why not start car and drive off, the engine will last 2 times longer.

Jan 02, 2014 | 1993 Honda Accord

1 Answer

2004 mazda mpv engine racing and cooling fan not working


coolant temp sensor tells the computer how hot or cold the engine is so it can regulate the idle and fuel mixture, when it fails there usually is no cooling fan and you will have trouble starting the engine and keeping it running.

Oct 08, 2012 | 2004 Mazda MPV

2 Answers

2002 jeep grand Cherokee change batt. Now it starts but won't run?


Because you disconnected the battery you lost the long trim value,you will now have to relearn the idle,start the vehicle idle it to 1500 RPM,hold for a minute,idle should stabilize,turn on A/C let it idle,for a minute,now your done,

Aug 19, 2012 | 2002 Jeep Grand Cherokee

1 Answer

The engine over heats while idling. Took robe radiator cap off n coolant is running thru top hose so the thermastat is working I guess


Is the fan running? The draft through the radiator may be enough to cool it when driving. Check that the radiator fins are clean. You can check the thermostat by starting with a cold engine, then warm it up and hold the top hose and it will get hot when the thermostat opens. If it doesn't then the thermosta needs replacing.

Sep 26, 2011 | Cars & Trucks

1 Answer

After it runs for a while and gets hot the engine starts cutting up and then the car cuts off. the harmonic balancer, ignition module and spark plugs have been replaced


suggest that you have the idle cotrol sensor checked. when bad the car will not run at idle speed, sometimes even when car not even warm, will have to keep restarting it over @ over. hope this helps!!!

Aug 27, 2010 | 1993 Buick LeSabre

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