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Oldsmobile Intrigue Problem Codes/TSBs

51 messages,  Last post on Nov 30, 2009 at 2:17 PM

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#2 of 51 Service-engine-soon, with code 306 (misfire in cyl-6 by 99tcandalero Sep 28, 2005 (8:10 pm)
The patient is a 99 Intrigue with the 3.5 shortstar and 96k on ther odo. For the last two months I have been noticing the service engine light comes on every so often (one or two days). When I read the code it is a P306, indicating that there was a misfire detected in Cylinder #6. I usually clear the code right after. This seemed to have started right after I replaced all the plugs. I replaced #6 plug again, and subsequently swapped the ignition modules between both banks, expecting the misfire to appear at Cyl #1 if it was a bad coil or module.   I have also run three tankfuls of three different injector cleaners, one was by Prestone, the other two were Techron.   Any ideas? Has anyone seen this behavior and cured it? thanks. Replies to this message: bayview6 (Oct 04, 2005 6:31 am) 99tcandalero (Nov 09, 2005 6:44 pm) amynicole84 (Nov 27, 2005 9:52 pm) 99tcandalero (Dec 10, 2005 6:26 am)
#3 of 51 Re: Service-engine-soon, with code 306 (misfire in cyl-6 [99tcandalero] by bayview6 Oct 04, 2005 (5:31 am)
Replying to: 99tcandalero (Sep 28, 2005 9:10 pm) First, I would NOT add any of those injector cleaners (except for the Chevron Techron) because they are very BAD for your fuel pump. I doubt that the misfire is fuel related since it is always cylinder #6.   Did you change your sparkplug wires also??? That would be my prime suspect. Even if you did, the new wire might be bad. Replies to this message: 99tcandalero (Nov 09, 2005 6:44 pm) amynicole84 (Nov 27, 2005 9:52 pm) 99tcandalero (Dec 10, 2005 6:26 am)
#4 of 51 Re: Service-engine-soon, with code 306 (misfire in cyl-6 [bayview6] by 99tcandalero Nov 09, 2005 (5:44 pm)
Replying to: bayview6 (Oct 04, 2005 6:31 am) Thought I'd post a follow up since the problem finally appears to have been fixed. I pulled off the connector to the #6 fuel injector and cleaned it with an electrical cleaning spray. Then I worked the connector on and off to get the contact friction to clean itself. No problems for the last two weeks, (fingers still crossed). Replies to this message: amynicole84 (Nov 27, 2005 9:52 pm) 99tcandalero (Dec 10, 2005 6:26 am)
#5 of 51 Re: Service-engine-soon, with code 306 (misfire in cyl-6 [99tcandalero] by amynicole84 Nov 27, 2005 (8:52 pm)
Replying to: 99tcandalero (Nov 09, 2005 6:44 pm) I am having the same problem. I feel like my car is chugging along and the service engine soon light come on and the computer pulls it up as it misfiring in cyl-5. So what do you suggest? I love the car but I am considering selling it because I have this problem every 3-4 weeks. Please help.
#6 of 51 Re: Service-engine-soon, with code 306 (misfire in cyl-6 [99tcandalero] by 99tcandalero Dec 10, 2005 (5:26 am)
Replying to: 99tcandalero (Nov 09, 2005 6:44 pm) Your number five cylinder is along the far (rear) side of the engine, the one closest to the driver. Once you rmove the top decorative cover, you will be able to see the connector going to the injector. remove the connector and clean it with some electrical contact cleaner spray. Then push it on andf off a few times to get rid of any internal corrosion. Also make sure there is no tension (tugging on the wire in any direction) on the wire once the connector is on. Good luck...
#7 of 51 Service Engine Light by gameface Oct 29, 2005 (6:24 am)
Is there a way to read the code on a service engine light without going to a repair shop? Replies to this message: evandro (Oct 29, 2005 7:18 am)
#8 of 51 Re: Service Engine Light [gameface] by evandro Oct 29, 2005 (7:18 am)
Replying to: gameface (Oct 29, 2005 6:24 am) Yes, auto-parts retailers typically do that for free. I've done that before at AutoZone.   HTH
#9 of 51 Service Engine Soon Light by dtownfb Dec 12, 2005 (10:59 am)
I'm driving on I-78 in NJ on Saturday and I feel a "bump" under the hood then the "Service Engine Soon" light comes on. Of course bad things come to mind since it is Christmas, I don't get paid for another two weeks, and oh yeah, I am 150 miles from home and it is 11:00 at night. Since the car was driving "normal" I kept going until i needed gas. I read up on the "Service Engine Soon" in my manual and it is the equivalent of the "Check Engine" light in many cars. Knowing that the light ws not flashing was a relief. I continued down the road and the light went off. Great! About 10 miles down the road, I feel that "bump" under the hood and the light comes back on. Go figure. All is fine the rest of the drive. The next afternoon I go to Advance Auto parts (they have the coolest tools to play with) and they do a free diagnostic check. The code P0101 came up which referes ot the "mass Air Flow (MAF)" or the "volume air flow (VAF)". They thougth I needed a new mass air flow sensor.   given the code P0101, will replacing the mass air flow sensor solve my "Service Engine Soon" problem? I did notice my gas mileage was down about 2-3 mpg.   Thanks Replies to this message: gmdrone1 (Dec 13, 2005 12:33 am) moonshadow (Dec 13, 2005 9:58 am) blue_2000 (Dec 13, 2005 1:28 pm) and 6 more... dtownfb (Dec 14, 2005 7:26 pm) _dc_ (Nov 29, 2009 5:46 pm) dtownfb (Nov 30, 2009 2:17 pm)
#10 of 51 SES Light by gmdrone1 Dec 13, 2005 (12:33 am)
Replying to: dtownfb (Dec 12, 2005 10:59 am) P0101 code is indeed the mass airflow sensor. The Service Engine soon light is letting you know that the MAF sensor is about to take a hike. This happened to me about 2 months ago with 188K miles. Car would start, then it would not. Pushed it to the mechanic (to get codes read), got to the mechanic, turned the key, it started. I have no idea what the thunk is prior to the SES light coming on, but if your code reader says the MAF sensor is bad, replace it. I think Auto Zone charges about 89-100 dollars with the core return. It is really simple to install 2 screws, and a pigtail. All is well after that. Oh, don't forget to reset ECM by disconnecting battery for 10 minutes when done. Drive car 10 miles. If no light, then no codes set, problem solved. Oh wait, you say that now the radio doesn't work anymore...? Don't forget the Theft-loc radio codes before you disconnect battery!   Regards,   Mark Replies to this message: moonshadow (Dec 13, 2005 9:58 am) blue_2000 (Dec 13, 2005 1:28 pm) dtownfb (Jan 05, 2006 6:53 am) and 5 more... dtownfb (Dec 14, 2005 7:26 pm) _dc_ (Nov 29, 2009 5:46 pm) dtownfb (Nov 30, 2009 2:17 pm)

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