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chris
Dodge Dakota
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3/28/2006
09:56:52
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 Subject: chugging
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Message:
i have a 95 v6 magnum and when the motor gets hot it begins to chug, but when its cold it wont. the performance is fine and when im stopped it wants to stall but never does. i have changed the following things i thought it could be:
1)plugs, wires, distributer cap, and rotor;air filter; oil change
2)catalytic convertor and muffler
3)oxygen sensor(check engine light came on for this one)
4)pcv valve
5)sprayed WD-40 on the tension pully cause it was hard to move.
those are the only things that i have changed. what else could it be. help me please!!!
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Shatto
Dodge Dakota
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3/30/2006
02:42:13
|  RE: chugging
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Manual or automatic. Either might not be properly disengaging when you stop.
How hot is hot? Blow out all the coolent? Have you stuffed it full of stop-leak?
If you have a tach, idle is around 950RPM.
The tensioner has an Aluminum casting that wears out at the pivot, throwing the belt out of alignment and causing squeeks. Or it'll freeze and not tense at all. Either way it's secondary.
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chris
Dodge Dakota
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3/30/2006
09:49:36
| RE: chugging
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my truck is automatic. when i run the car it gets to operating temperature(not overing), and it chugges. the rpm's are about 550-700 sometimes it shifts but not much. the transmision is fine, it shifts properly, doesn't miss gears or nothing. the truck belts dont squeek. the whole truck just chugs. but i'll look into it thanks.
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Gregg
Dodge Dakota
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3/30/2006
23:51:16
| RE: chugging
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So chug means it kicks around at idle when hot? How about cruise or mid-range throttle? Is it idle only?
Is "hot" when normal operating temp. is reached or near boil over?
Be more descriptive "chug" and "hot" are not clear.
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chris
Dodge Dakota
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4/01/2006
22:25:18
| RE: chugging
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Message:
chug is like when an engine is below idle rpm's.you can hear it chugging. plus it back fires when reving the engine in park. normal operating temp. its only idle cause thats the only time i can hear it cause my exhaust drowns out the sound.
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Gregg
Dodge Dakota
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4/02/2006
21:26:36
| RE: chugging
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Okay the backfire when reving is not good. None of your efforts indicate ignition parts like cap/rotor, plugs, wires etc. This would be a good starting point.
I'm not sure on a '95 but does the throttle body contain an IAC which may be sticky droping the idle way low? Is the idle normal or vary? The chug could be an air whoosh from a leaking exhaust gasket breach. Still not clear of the term chug. Is it a sound or a hesitant feel like the engine is trying to die and "chugs" back into rotation?
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chris
Dodge Dakota
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4/03/2006
20:27:16
| RE: chugging
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the idle is normal, about 650. i replaced everything you mentioned. the chug is a sound.
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Gregg
Dodge Dakota
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4/04/2006
00:06:40
| RE: chugging
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oops missed the ignition part listing on your first thread. So you're solving for this sound as well near stalling at operating temp. Can you trace the sound with a wooden pole or mechanics stethoscope?
Check valve cover banks and underneath at the pan. Where does the sound originate?
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Gregg
Dodge Dakota
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4/04/2006
00:39:27
| RE: chugging
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oops missed the ignition part listing on your first thread. So you're solving for this sound as well near stalling at operating temp. Can you trace the sound with a wooden pole or mechanics stethoscope?
Check valve cover banks and underneath at the pan. Where does the sound originate?
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chris
Dodge Dakota
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4/06/2006
09:27:34
| RE: chugging
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it sounds like the noise is coming from inside the engine. like a spark plug is not firing at the right time. but i just replaced them. i'll pull the plugs out and see if all of them are working properly. but dont forget the truck has 147000 miles so timing is still in the back of my mind. how hard would it be to get the timing belt cover off? but keep coming up with ideas.
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Shatto
Dodge Dakota
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4/06/2006
10:52:04
| RE: chugging
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What's the oil history? If you've used synthetic it's highly unlikely to be the timing chain. Whole lotta parts to remove to get to the chain, so unless you want to play 'camshaft' stay away. If you do go there, you don't need to remove the A/C condenser; just everything else.
Remember, diagnosis is from simple and obvious to harder. Start again at simple to confirm you didn't miss something.
AAMCO offers a free 'check engine light' check up. At least you can get your codes read.
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chris
Dodge Dakota
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4/06/2006
12:54:27
| RE: chugging
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the check engine light isn't on. i dont exactly know what kind of oil im using. but the backfiring, chugging, and lack of power during acceleration all have a symptom of timing/ignition.
i bought the truck off of some guy who lives near my aunt, so i have no clue.
one more thing, i popped my tire. i can use the spare like a normal tire, right? and i cant find the tire thats on my truck anywhere. its a guardsman trailhandler AP. if you know of a place near elmira, NY then feel free to tell me.
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Shatto
Dodge Dakota
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4/08/2006
01:34:09
| RE: chugging
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Message:
Chris,
You might check that the timing is on.
Timing light useless.Don't use it.
Set the crank to zero, remove the distributor cap; rotor should point to #1 and directly under the tip of the rotor should be a notch in the rim of the casing. That is where it should be. No other adjustment.
You might do a fuel pressure test, driving around, should be around 14 lbs, I think.
Spare is a real rim and tire.
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chris
Dodge Dakota
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4/09/2006
00:20:36
| RE: chugging
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ok ill check into it thanx alot.
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chris
Dodge Dakota
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4/11/2006
22:23:30
| RE: chugging
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on my truck i have the throttle body fuel-injection, can i just turn the distributer in order to align? or do i have to play with the timing spindle?
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shatto
Dodge Dakota
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4/14/2006
02:52:15
| RE: chugging
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Chris,
Your engine should be the same as my 98 for basic stuff. loosten the nut under the left side of the distributor.
Have a radiator shop check your cooling system. I think there are times you can be fooled by it; it'll look full when you remove the cap, but the system is empty. Your thermostat could malfunction, causing overheating. Remember the water temperature gauge is there to balance the insturment cluster. By the time it shows you are overheated your engine could be ruined. Also, no H2O, no reading.
Turn on your heater. You should get 135 degrees.
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chris
Dodge Dakota
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4/15/2006
21:30:26
| RE: chugging
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nothing is wrong with overheating or water pressure. plus my distributer and rotor were bad so i replaced them both and now it works fine.
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chris
Dodge Dakota
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4/27/2006
23:25:15
| RE: chugging
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i figured out what the sound is like, its like a diesel sound coming from the motor. i took off the belt to make sure it was not a pump and when i started it up "Boo-ya" i figured out its in the engine. now i am not to sure what the hell the noise could be. the mechanic at carquest was just as confused as i am. any clues HELP!!!!!!
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Gregg
Dodge Dakota
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4/28/2006
00:03:32
| RE: chugging
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"a diesel sound coming from the motor". Hmmm, still not descriptive. To get diagnostic assistance try ranging in with terms like - metallic clank, whoosh of air or dull thud. Is it in rotation i.e. speeds up with throttle increase? Can you hear it in the cab with the windows up? Eliminating the belt was good now trace it with a two foot wooden dowel. Place one end on your ear the other end pressed into suspect areas or parts. Press firmly against your ear.Where is it loudest? Valve cover(s), oil pan etc. Diesels are rattle monsters where that sound would be valve train or scary internal engine parts.
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chris
Dodge Dakota
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4/28/2006
12:37:41
| RE: chugging
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Message:
the diesel noise is the most of it. no clinking nothing else. it stays the same, doesnt speed up with the motor. if the stereo and the heater are off then you can hear it slightly. have you ever had water in the tank and just before the engine stalls? thats kinda the noise. if the valve cover was bad, lets say, will the oil pressure change from normal or oil leak out? im just making sure so that i can tell if i need new ones. and would the EGR valve play in effect to the noise.
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