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Dodge Dakota Engine and Underhood Questions

371 messages,  Last post on Nov 06, 2009 at 6:41 PM

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#326 of 371 Re: 97 Dodge Dakota 3.9 [factman1] by rich14 Mar 30, 2009 (1:48 am)
Replying to: factman1 (Mar 24, 2009 2:57 pm) MAF sensor, Just changed one this weekend and it was doing the same thing. hope it helps.. Replies to this message: factman1 (Mar 31, 2009 5:48 am)
#327 of 371 Re: 97 Dodge Dakota 3.9 [rich14] by factman1 Mar 31, 2009 (5:48 am)
Replying to: rich14 (Mar 30, 2009 1:48 am) There does not appear to be a MAF on my truck. Unless we are not looking in the right place. Thanks.
#328 of 371 maf SENSOR by rich14 Mar 31, 2009 (6:29 am)
That sound like the correct idle if you are going by the in dash tachometer. They aren't terrible accurate. The idle is suppose to be around 850 to 900 rpms. If there are no codes it will be a tough one to find.   Any of these could be the problem.   AIR FILTER Restricted or clogged air filter.   FUEL FILTER <>Clogged or dirty fuel filter   WIRESET Damaged, worn, or deteriorating spark plug or coil wire(s).   SPARK PLUG Fouled, damaged or broken spark plug(s).   PCV VALVE Plugged or damaged pcv valve.   DISTRIBUTOR CAP Loose or cracked distributor cap   AIR CHARGE SENSOR Damaged or faulty air charge sensor or air charge sensor circuit.   AIR CLEANER TEMPERATURE SENSOR Damaged or faulty air cleaner temperature sensor or air cleaner temperature sensor circuit.   BAROMETRIC PRESSURE SENSOR Damaged or faulty barometric pressure sensor or barometric pressure sensor circuit.   FUEL INJECTOR COLD START VALVE Faulty cold start valve or circuit.   FUEL INJECTOR PRESSURE REGULATOR Faulty fuel injector pressure regulator or circuit.   FUEL INJECTION GSK <>Deteriorated, or faulty throttle valve mounting gasket   IDLE AIR CONTROL VALVE Damaged, loose, or faulty idle air control valve.   IDLE SPEED CONTROL ACTUATOR <>Damaged, loose, or faulty idle speed actuator.   MAP SENSOR <>Improperly connected or faulty m.a.p. sensor.   MASS AIR FLOW SENSOR Improperly connected or faulty mass air flow sensor.   THROTTLE POSITION SENSOR Faulty throttle position sensor or throttle position sensor circuit.   TIMING SET <>Slipped timing chain or worn timing gear(s).   FUEL PUMP Improperly functioning fuel pump or circuits.   FUEL TANK Contaminated fuel from rusted or deteriorated fuel tank.   FUEL INJECTOR Plugged, dirty or poorly connected fuel injector.   EGR VALVE Clogged, dirty or improperly functioning or defective egr valve.   DISTRIBUTOR Worn, loose or incorrectly adjusted distributor.   CAMSHAFT <>Worn or scored camshaft lobes may affect proper fuel intake, compression, combustion and exhaust.   I would start with the PVC valve and EGR valve and circuit.   Hope this helps, an accept would be appreciated.
#329 of 371 Oil Pressure...NEED HELP/ ADVICE by paparanda Apr 14, 2009 (8:52 pm)
I have a '97 Dakota V8 Magnum 318 5.2l. My problem is my oil pressure dropped after sitting without being driven for 2 mos. it doesn't move at all just sits on 0. I have replaced my sending unit and the oil pump...still the prob continues the engine has 203k mi on it so its not too bad, i use high mileage 10w30 castrol and bosch oil filter. in the engine compartment i could here a noise so i checked the lifters and they seem fine none broken or clogged but i'm beating myself up here trying to figure out what it could be. the noise continues as if the push rods and rocker arms aren't getting any oil. the higher the RPMs the louder and faster the noise. Please Help!!!!
#330 of 371 help oil pressure problem by hawaiipup Apr 16, 2009 (7:24 pm)
well im in a rut changed my oil in my 94 dodge dakota but wheni drove her the oil pic came on and pressure dropped to nothing kept driving then it went off{light} and pressure came back some say its me oil pump going out well was out of town and light came on and pressure dropped was hoping for it to come back on to make it home but all of a sudden ticking time bomb had i just burned up my motor and can someone tell me where is the oil pump located i will replace it i already did the water pump i can even hear my tail pip spitting had to leave the truck at a friends when the moter is shot is it supposed to lock up and quit i need my truck Replies to this message: paparanda (Apr 17, 2009 5:37 pm) hawaiipup (Apr 17, 2009 7:01 pm)
#331 of 371 Re: help oil pressure problem [hawaiipup] by paparanda Apr 17, 2009 (5:37 pm)
Replying to: hawaiipup (Apr 16, 2009 7:24 pm) Unfortunately when there is no lubrication in the engine it will lock up after awhile, its a precautionary thing so the enine doesn't blow. A little more bad news is if it has locked up it will need to be taken apart to remove the bearings from the oil drain, quite costly unless u can do it yourself in which case u will need an entirely new gasket set. well i still have the prob. but maybe what i tried could help u. The pump could be in 2 places, first it could be located in the oil pan...a pain to remove, but once the pan is removed you should be able to see the pick up tube hanging off the pump. Two... the pump could be belt driven not the serpentine belt but timing chain in which case you have to remove the timing chain cover and the chain itself, this is even worse cause during installation you have to make sure the timing is correct otherwise the truck will not turn on or will seem like its misfiring. there are specialty tool ie: a timing light that you can rent from your local parts store fairly cheap but even if its not once returned you get a full refund. hope this helps good luck. Replies to this message: hawaiipup (Apr 17, 2009 7:01 pm)
#332 of 371 Re: help oil pressure problem [paparanda] by hawaiipup Apr 17, 2009 (7:01 pm)
Replying to: paparanda (Apr 17, 2009 5:37 pm) thanks luckly it didnt lock up i parked it and will tow to a friends house they said they would do it for me so they must know where it is someone told me it was in the oil pan so guess im lucky again thanks for responding hope its just the pump
#333 of 371 Zero oil pressure by paparanda Apr 15, 2009 (12:15 pm)
#334 of 371 Zero oil pressure by paparanda Apr 15, 2009 (12:15 pm)
I have a '97 Dakota with 203k mi. Its a V8 Mag 318 5.2l. My prob. is this, I left it sitting for about two mos. and upon turnng it on it was fine after driving for 5 min. the oil pressure dropped and hasn't moved since, that was two weeks ago. I have replaced the sending unit and the pump since then but still nothing. It sounded like my lifters were bad from the engine noise so i checked them out and everthing under the hood seems fine excdept a little sludge from before i got it. i'm close to sending it to the scrap yard if i cant get anything to work. would a motor flush make a diff?
#335 of 371 Poor performance / Bad fuel milage by srscubalot Apr 22, 2009 (10:15 pm)
My 99 Dakota 3.9L / 44RE auto transmission with 80K miles has been suffering from poor performance and fuel milage (13 mpg city / 17 mpg highway) now for over a year. There are no check engine codes coming up. The truck is very sluggish when under load such as pulling hills or accelerating at cruising speeds. The colder the ambient temp is the better the performance, but as the engine warms up the performance worsens. When the ambient temp is hot the performance is poor and gets worse as the engine warms up. As I said there are no codes coming up. I have twice given the engine a tune up consisting of spark plugs, distributor cap / rotor, new plug wires, air filter, PCV valve. I checked the ignition timing and it is dead on. I have also replaced the entire exhaust system including Cat. Conv. and O2 sensors. I have also replaced the TPS sensor. None of the above has made any differance at all in the performance. I have had it to two different Dodge dealers and both told me it needed a tune up. I am assuming it is one of the sensors or possibly a faulty ECM computer. Any help is greatly appreciated.   Mike Howard Replies to this message: paparanda (May 13, 2009 7:09 pm)

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