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Dodge Dakota Engine and Underhood Questions

390 messages,  Last post on Dec 08, 2009 at 7:59 PM

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#51 of 390 Re: Evap Purge Solenoid [bpeebles] by jgerrity Nov 10, 2006 (10:52 am)
Replying to: bpeebles (Nov 08, 2006 7:00 pm) Tried the gas cap with no luck. The light was off for that night as I drove around but the next day the light was back on. Any other ideas?? Replies to this message: bpeebles (Nov 11, 2006 4:38 pm)
#52 of 390 Re: Evap Purge Solenoid [jgerrity] by bpeebles Nov 11, 2006 (4:38 pm)
Replying to: jgerrity (Nov 10, 2006 10:52 am) The gascap was just the most common thing to check... you have still not told us what code(s) you are getting. Are you CERTAIN that you replaced the gascap with a known-good one? (Some Dak gascaps have been known to go bad internally and it is not easilly seen by looking at it)   The MIL (Malfunction Indicator Lamp) is expected to go out and come back on. This is due to nature of some types of codes self-resetting. When the auto-diagnostics run again, the fail comes back and re-lights the MIL.   The EEC diagnostics DO NOT run every time you drive.... thus they cannot fail every time you drive.   If you really want to work thru this yourself, you should start "boning up" on the EEC diagnostics. There is all kinds of reading material available on the web for your browsing pleasure. If you research it for a couple hours, you will likely be better educated than many mechanics (who seem to just blindly replace parts and charge you for it)   I have always wanted to see a LAW that forced mechanics to refund your money if they replace a part that DOES NOT fix the problem. I would bet that would weed out some of the bonehead mechanics. 8-)
#53 of 390 Oil Pressure/Guage problem by moquelvog Nov 15, 2006 (11:29 am)
I have a 97 Dakota with 154K on it (5.2L man 5-spd). Recently the oil pressure guage will drop to 0 when I come to a stop and then go back to a normal pressure. This has happened twice in the past 3 weeks. Anyone help? Replies to this message: bpeebles (Nov 15, 2006 7:25 pm) moquelvog (Nov 15, 2006 7:53 pm)
#54 of 390 Re: Oil Pressure/Guage problem [moquelvog] by bpeebles Nov 15, 2006 (7:25 pm)
Replying to: moquelvog (Nov 15, 2006 11:29 am) What you describe sounds as if the oil pick-up is "sucking air" for a moment. When you come to a stop, the oil sloshes forward in the oilpan. Usually, the design of the engine will not allow it to "suck air" when there is sufficent oil in the pan. I assume you have checked the oil-level.   Another possibilty is the the oilpump is starting to fail at very low engine speeds. One test for this is to put a can of "STP oil treatment" in the crankcase and see if the problem goes away. (STP oil treatment is a viscosity improver... makes oil 'thicker' so it is easier for oilpump to maintain pressure.)   Let us know how that works out for you. Replies to this message: moquelvog (Nov 15, 2006 7:53 pm)
#55 of 390 Re: Oil Pressure/Guage problem [bpeebles] by moquelvog Nov 15, 2006 (7:53 pm)
Replying to: bpeebles (Nov 15, 2006 7:25 pm) Thanks for the suggestions. I checked the oil, (changed it tonight actually.) I thought about the pump starting to fail. I will try the STP and if it doesn't work, I'll come back to you. Thanks for the help.   Regards,   Omen
#56 of 390 2003 Dakota SXT Check engine light code = P0138 by dano33 Nov 20, 2006 (7:00 am)
All, This is my first post on this site and was looking for some assistance on check engine code P0138 for an '03 Dakota SXT 5-speed 3.9L. The light comes and goes every few weeks. I have checked the usual oil, fluids, hoses, etc. Called the dealership to get the info but they say they don't even have a book that has the P codes. They just have the computer that gives the problem. Am trying to save a few bucks if its something I can replace myself.   Thanks,   Dan O Replies to this message: jneal (Nov 20, 2006 9:28 am) bpeebles (Nov 20, 2006 4:22 pm) ronslakie1 (Nov 20, 2006 1:19 pm)
#57 of 390 Re: 2003 Dakota SXT Check engine light code = P0138 [dano33] by jneal Nov 20, 2006 (9:28 am)
Replying to: dano33 (Nov 20, 2006 7:00 am) P0138 = O2 sensor circuit high volts (Bank 1 sensor 2) Replies to this message: bpeebles (Nov 20, 2006 4:22 pm)
#58 of 390 Re: 2003 Dakota SXT Check engine light code = P0138 [dano33] by ronslakie1 Nov 20, 2006 (1:19 pm)
Replying to: dano33 (Nov 20, 2006 7:00 am) Dan O - Keep these sites explaining trouble codes for future reference.   http://www.obdii.com/codes.html http://www.troublecodes.net/chrysler/99-01trk.shtml   Ron
#59 of 390 Re: 2003 Dakota SXT Check engine light code = P0138 [jneal] by bpeebles Nov 20, 2006 (4:22 pm)
Replying to: jneal (Nov 20, 2006 9:28 am) I beleive "bank 1" is the drivers side of the engine. I know that "sensor 2" is the O2 sensor AFTER the precat.   (SURPRIZE -- you have 3 catalytic converters 8-)
#60 of 390 no start by manstang46 Nov 24, 2006 (7:48 am)
anyone know what would cause my truck to crank over a few seconds before starting, just had the crank sensor replaced thinking that was the problem, and it wasn't

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