Question about 2000 Oldsmobile Intrigue

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Misfire on cylinder 4 on oldsmobile intrigue 3.5 where is it at?

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6ya6ya
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: misfire in cylinder 3

I recently had that (po303) misfire in cyl. 3 on my 2002 Mazda MPV LX with the 6cyl. 3.0 ford duratec engine (the only engine installed that year). 75k miles. The engine was studdering while at idle and upon accelleration. It was worse when the AC was on. The check engine light came on. I went to Advanced Auto Parts. They loaned me a code reading handheld computer. An Actron OBD II. PO303 misfire in cyl.3 was the verdict. I then got on the internet to do some research. Found that the problem could be a number of things. Coil packs and/or wiring harness, spark plugs, egr valve and/or ports, fuel pump or filter, fuel injectors etc. etc.. I decided to try what I thought was the simpilist remedy first. I purchased new spark plugs, retrieved some tools from the garage and opened the hood. Though I've performed all the other routine maintenance items like oil changes, battery maintenance, air filter etc., I never really looked for or noticed the spark plugs or their location. The front bank of 3 plugs was a breeze to change out but the rear bank....well they havn't been changed yet. Not so simple. At that point I decided that since I would have to remove the intake manifold and all the wires,hoses and etc. would have to be unattached, I might as well change the 3 coil packs and recondition the 6 fuel injectors while I had it apart. The cost and hassle of those fixes then lead me back to do what my old school, auto mechanic all his life father, alway told me. "Look at the easy fixes first". Many of us think that since everything nowadays is so complex that the fix must be complex also. Well, I then purchased a bottle of Chevron Techron Fuel Injector Cleaner. So many other brands were on the shelf to choose from. Seafoam, Lucas, Shell, CRC, STP, etc., etc.. Through netsurfing I discovered an old CARTALK Q & A. They kinda gave a halfhearted nod to the Chevron product. It stuck with me so I tried it. Within 10 miles the engine began to run better. The more I drove the better the performance. The Check engine light went off. No more misfire in cyl. 3 and no more code po303.

Posted on Dec 07, 2008

roedmondson
  • 68 Answers

SOURCE: 2000 CIVIC System too lean Cylinder 3 and 4 misfire Deteced

  1. P0171: This means that the oxygen sensor has detected a lean air-fuel ratio. This can be caused due to a vaccuum leak or a problem in the HO2S circuit or the HO2S (Heated Oxygen Sensor) itself. (Bank one Sensor one). This is commonly located along the exhaust pipe. It could also be a bad Mass Air Flow sensor or a bad Engine Coolant Temperature sensor. Diagnostic checks will be needed to be carried out to be verified though
  2. Well as for the other codes, it means #3&4 cylinders are misfiring. It is a possibility that the P0171 code mite have caused the others to show up. I can be wrong though. But it is a strong possibility. If the air fuel mixtue is too lean indeed, mis-firing will occur, unless it is an actual electronic and not a mechnical problem. By the way, when these codes appear, how is the engine's performance. Does it remain the same or behaves poorly?

Posted on Feb 14, 2009

  • 107 Answers

SOURCE: the computer says Random / muliple cylinder misfire detected

look for a vacuum leak

Posted on Feb 27, 2009

  • 1 Answer

SOURCE: 99 cougar v6 P0352 misfire cylinder 3 and 4 replaced igntn coil..

Had the same problem, car was misfiring on cylinder 3 and 4. replaced wires, plugs, and ignition coil. still misfired on the same cynlinders. turned out the main engine wiring harness plug in was coming loose. spent well over $150 on the unneccesary repairs and ultimately fixed the problem wit a $3 bag of wire ties to hold the plug in...

Posted on Jun 01, 2009

  • 51 Answers

SOURCE: 1999 lexus es300 how to find cylinder no.3 and 4 ?

the front bank is bank 2, the rear one is bank one. The cylinders go from the timing belt side to the right. So 3 is the middle on the back bank, and four is the middle cylinder on the front bank. They are both in the middle so just replace them.

Posted on Aug 26, 2009

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1998 Oldsmobile Intrigue Logo Print Email Problem with 1998 Oldsmobile Intrigue how do i troubleshhoot a random misfire code for intrique 1998 with flashing service engine light new tune up or...


Best to run it to autozone let them scan it with their scanner to tell you which plug is misfiring the will do this free. and it will tell you exactly what is the troubled cylinder.Remember to rate my solution this is how i earn my achievements also testimonial Thanks much in advance.

Apr 22, 2012 | 1998 Oldsmobile Intrigue

1 Answer

Missfiring detected in OLDSMOBILE intrigue 2002 3.5L


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

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Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Jan 30, 2012 | 2002 Oldsmobile Intrigue

1 Answer

Driving car, started to run rough, made it home with engine stumbling, will not start now but cranks over. Strong smell after I made it home, not a fuel smell. Put a reader on it and got codes P304 and...


p102 is your MAF sensor, check the harness connection or, clean the sensor itself-P0304 is a misfire on cylinder #4, that could be related to the MAF, but I would also consider a bad plug wire or maybe an injector problem.

Mar 06, 2011 | 1999 Oldsmobile Intrigue

1 Answer

Do you have a diagram of the spark plug firing order for 1999 oldmobile intrigue 3.8 liter


For the 1999 Oldsmobile Intrigue 3.8L:

Firing Order:
1-6-5-4-3-2

Cylinders:
_____(back)____
|...2......4.......6..|
.........................
|...1......3.......5..|
.........(front)

Ignition Connections:
(back)
o <--6
o <--3
.........
o <--2
o <--5
........
o <--4
o <--1
(front)

Let me know if this helped or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Apr 05, 2010 | 1999 Oldsmobile Intrigue

2 Answers

1998 oldsmobile Intrigue #3 misfire


I would check compression as well A low compression will also cause a misfire.I have seen where a valve was closing perfect for a couple of days then not so good for a couple of days and so on . so do cyl leakage test. and good luck

Mar 17, 2010 | 1998 Oldsmobile Intrigue

2 Answers

Would ignition coil problem cause 2001 Intrigue to misfire?


Not hard at all. Seven bolts and one connector. No computer work. But you need to know if it is the front coil or back coil. Front coil for cylinders 2, 4, 6. Rear for 1, 3, 5.


90d08d7.jpg http://99intrigue.shutterfly.com/headgasket/97

Mar 07, 2010 | 2001 Oldsmobile Intrigue

1 Answer

Codes are reading cylinder misfire and replaced


does the check engine light come on b 4 or after

Jan 27, 2010 | 1999 Oldsmobile Intrigue

2 Answers

I need a spark wire diagram for a 1998 3.8 olds intrigue


Viewing the front of the engine, going from the front to the back, the left side cylinders are 2, 4, and 6.
The right side cylinders are 1, 3, and 5.
The firing order is 1-6-5-4-3-2

May 19, 2009 | 1998 Oldsmobile Intrigue

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