Engine Flutter cause ? - Defender Source
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  #1  
Old June 16th, 2009, 06:08 PM
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Dana Hammersley
1997 Arles Blue #162
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Engine Flutter cause ?

I have had this happen on about 8-9 random ocations. Truck starts fine when cold. then out of the blue I will shut it off go to restart and it starts flutters (not sputters) then dies restart flutters throttle up 2-3 grand let it settle down sometime it stalls again sometime run fine never happens for weeks. Any ideas what the cause is ?
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  #2  
Old June 16th, 2009, 06:20 PM
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Michael Steil
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Not sure if you 97 has the same stuff as my 93 110 but the problem sounds a little like what my truck was doing. It was the coil wire on mine shorting out. Replaced it and never had the problem again.
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  #3  
Old June 16th, 2009, 06:44 PM
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A 1997 has coil packs, so no coil wire like a 1993 has.

Can you describe the "flutter"?
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  #4  
Old June 17th, 2009, 10:10 PM
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Dana Hammersley
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It is kind of hard to describe. Always happens when engine is warm never cold. And mostly when is is fairly warm outside. Lets say your out on a trail idling alot. I shut it off couple of minutes later go to start it. Starts up a couple of seconds and dies. restart and pump the accelerator to keep Rpm up then let off sometime it will idle just fine and not do it again all day. Can not tell if it is a fuel delivery problem or a electrical just idle really erratic before it dies.
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  #5  
Old June 17th, 2009, 11:53 PM
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Bad coolant temp sensor maybe?
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  #6  
Old June 18th, 2009, 06:11 PM
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Robert
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When mine started doing this I think we swapped the ignition module and the O2 sensor. Cant remember if it was attributed to either one but I wanna lean towards the O2 sensor since it was hard to reproduce and we had to hook up a meter while it was doing to isolate problem.


Good luck!
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  #7  
Old June 19th, 2009, 08:50 AM
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Dana,

Had a similar issue for years. After shelling out over two grand it lead to replacing the distributor cab/rotor button/wires and installing a new up-to-date coil. Problem gone for now. Just make sure you get good parts, OEM parts if needed. Question; are you having any stall-outs when engine gets wet/hard to start when it rains?
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  #8  
Old June 19th, 2009, 08:59 AM
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Brandon Jones
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Might want to check your MAF if it feels like it loses power before stalling out when driving.
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  #9  
Old June 19th, 2009, 12:18 PM
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Dana Hammersley
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It is a 97 so no distibutor to check. the 97 does not have a module do they? Done it again yesterday but did not die just Fluttered, shuttered Sputtered what ever you would like to cal it. but only for about 10 seconds. reved the engine and it quit.
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  #10  
Old June 22nd, 2009, 01:45 PM
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Gary
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Quote:
Originally Posted by Hammertime
... the 97 does not have a (ignition) module do they?
I'd like to know the answer to this question as well...
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  #11  
Old June 23rd, 2009, 11:05 AM
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Nicole Bailey
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Quote:
Originally Posted by Happyxhour
When mine started doing this I think we swapped the ignition module and the O2 sensor. Cant remember if it was attributed to either one but I wanna lean towards the O2 sensor since it was hard to reproduce and we had to hook up a meter while it was doing to isolate problem.


Good luck!
I also need help with this, D90-94.

Already have replaced the wires cap, rotor, new manifold gasket,so now thats all clean,alternator,o2 sensors.

Runs ok without A/C?

What do you think about the M.airflow sensor?

Running ok until i turn on the A/C???
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  #12  
Old July 13th, 2009, 11:44 AM
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Nicole Bailey
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I changed the Mass air flow sensor, coil, now it still does the same thing!
Also when i turn on the lights???
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  #13  
Old July 13th, 2009, 11:46 AM
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Bad alternator or bad ground. Outside chance at bad ignition module.
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  #14  
Old July 13th, 2009, 01:50 PM
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Nicole Bailey
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I will check them all!
Thanks

http://www.muddyoval.com/articles/ge...o/preOBDII.htm
Also for anyone that needs the codes for their d-90 they are the same as the 94-95 disco/90-95 RRC

Check the link.

Available is a hawkeye computor for the d-90 94 up from Dap-inc.com
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  #15  
Old July 13th, 2009, 02:00 PM
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vapor lock ???
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  #16  
Old July 13th, 2009, 02:36 PM
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Nicole Bailey
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How do i check for that?
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  #17  
Old July 13th, 2009, 03:14 PM
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I would make sure you dont have any fuel lines running close to exhaust. if so wrap with some fire retardent material.

My barracuda used to do what u descibe when it was hot. idling on the trail can get things hot.
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  #18  
Old July 13th, 2009, 06:40 PM
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Dana Hammersley
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Hey I might ave found my problem but not 100% sure yet. I was getting a 1177 and a 1179 code. The other day I was looking through my shop and saw a can of mass air senor cleaner so I thought I would clean it. It has not shuttered since. I think the cause could have be to much oil on my K&N filter and the residue on the senor.
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