Perplexed, Santa Fe problems
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Perplexed, Santa Fe problems
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Feb 4 2013, 07:20 PM
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Berlin Veteran Group: Lifetimer Posts: 1,157 Posts Per Day: 0.16 Thanks Received: 37 Trader Stats: 0 (0%) Joined: 31-January 05 From: St. Petersburg, FL Member No.: 212 Mood: Bemused |
Ok I am hoping that the Hyundai dealer can finally figure this out but I am throwing this on here to see if any of the guru's here can help. My wife has a 2002 Santa Fe which due to current living situations is impossible for us to consider replacing. In the past year the car has repeatedly been back to a mechanic because it stumble's almost like a miss fire. After each diagnosis and subsequent repair the car has ran fine for any where from 2 weeks (longest) to less than a day after coming from the shop. We have in the past year replaced the MAF, all 4 catalytic converters, all 4 oxygen sensors, plug wires, plugs, coil packs, battery, alternator and probably not related a power steering pump and hoses. During this entire process the engine has not tripped a CEL or thrown any OBD codes. It is currently being looked at (I am told) by one of only 5 Hyundai master mechanics in the state of FL and it has had him perplexed for 3 days now. It is a 2.7 V-6 GLS 2WD model. Any thoughts are appreciated. This engine was also a warranty replacement when the original failed at 84,000 miles. I am assuming the ECU would have been re-flashed at that point?
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Feb 4 2013, 07:32 PM
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That Mitsubishi Guy Group: Leader Posts: 2,568 Posts Per Day: 0.57 Thanks Received: 423 Trader Stats: 3 (100%) Joined: 13-November 11 From: Central MA Member No.: 11,480 Mood: Complacent |
i doubt the ECU was reflashed due to an engine failure. they have a stout set of parameters and are usually hardy in most weather conditions and atmospheric changes.
that being said, you've already done alot of the due-diligence repair work - it is hard to self diagnose without some sort of hardcore scantool since an obd reader wouldnt show you basic consumption values.. even harder since the vehicle is not throwing codes. with a misfire you should atleast get SOMETHING eventually within 60 miles i would think. -------------------- 2014 Veloster Turbo - racecar
2002 Elantra GLS - DEAD AND GONE DEAD AND GONE |
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Feb 4 2013, 09:49 PM
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Berlin Veteran Group: Lifetimer Posts: 1,157 Posts Per Day: 0.16 Thanks Received: 37 Trader Stats: 0 (0%) Joined: 31-January 05 From: St. Petersburg, FL Member No.: 212 Mood: Bemused |
My neighbor is a mechanic and has some pretty high end scan tools. We tried two different ones to no avail. Taking it to Hyundai is a last resort at this point in as I really dislike their service dept. here locally. However one would think they have the Hyundai (Special proprietary) tools to figure it out. This makes the 5th Mechanic.
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Feb 4 2013, 10:26 PM
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Expert in generalizations Group: Members Posts: 742 Posts Per Day: 0.11 Thanks Received: 21 Trader Stats: 0 (0%) Joined: 27-January 05 From: Pontiac, QC, Canada Member No.: 27 Mood: Okay |
Has the fuel pump ever been ruled out as the cause?
Yves -------------------- '13 Dark Grey Toyota Camry Hybrid LE, 2.5L w/HSD transmission. RTX 16" Multi Silver Wheels & Stock Tires. WeatherTech floor mats. I live in Luskville, QC (near Ottawa), Canada
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Feb 5 2013, 09:37 AM
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Proud GLT Owner Group: Lifetimer Posts: 21,140 Posts Per Day: 3.03 Thanks Received: 633 Trader Stats: 3 (100%) Joined: 11-March 05 From: Brownsburg, IN Member No.: 532 Mood: Hyper |
Here's my ideas:
upper intake gasket leak (since it has to come off for most of those repairs) Crank sensor Cam sensor crappy parts house plug wires What brand of plugs/wires were used? I've seen MULTIPLE times crappy parts house wires making a misfire worse. Bosch Platinum plugs are good for that as well. -------------------- Founding Member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males
"Drag racing is for fast cars, and autocrossing is for fast drivers" -Toecutter |
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Feb 5 2013, 07:15 PM
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Berlin Veteran Group: Lifetimer Posts: 1,157 Posts Per Day: 0.16 Thanks Received: 37 Trader Stats: 0 (0%) Joined: 31-January 05 From: St. Petersburg, FL Member No.: 212 Mood: Bemused |
Bob the plugs and wires are Denso. If I don't get answers I will look into the other items you mentioned. Thanks!
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Feb 6 2013, 10:26 AM
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Proud GLT Owner Group: Lifetimer Posts: 21,140 Posts Per Day: 3.03 Thanks Received: 633 Trader Stats: 3 (100%) Joined: 11-March 05 From: Brownsburg, IN Member No.: 532 Mood: Hyper |
Had you said NGK I would have been fine... but I've never used Denso's wires in the past so I can't say anything for or against.
-------------------- Founding Member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males
"Drag racing is for fast cars, and autocrossing is for fast drivers" -Toecutter |
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Feb 6 2013, 11:17 AM
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Sleep is for the weak! Group: Leader Posts: 2,999 Posts Per Day: 0.43 Thanks Received: 197 Trader Stats: 8 (100%) Joined: 2-February 05 From: New Jersey Member No.: 250 Mood: Stressed |
It could end up being the ECU. I had a similar problem in my 05 Elantra (dealer replaced everything from plugs/plug wires/coilpack/oxygen sesnor) and ended up replacing the ECU and it solved the issue.
-------------------- A proud member of the club.
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Feb 6 2013, 03:50 PM
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Berlin Veteran Group: Lifetimer Posts: 1,157 Posts Per Day: 0.16 Thanks Received: 37 Trader Stats: 0 (0%) Joined: 31-January 05 From: St. Petersburg, FL Member No.: 212 Mood: Bemused |
Here's my ideas: upper intake gasket leak (since it has to come off for most of those repairs) Crank sensor Cam sensor crappy parts house plug wires What brand of plugs/wires were used? I've seen MULTIPLE times crappy parts house wires making a misfire worse. Bosch Platinum plugs are good for that as well. Bob it ended up being , for now, the crank sensor. Debating putting any more money into it or .... -------------------- |
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Feb 6 2013, 03:58 PM
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Proud GLT Owner Group: Lifetimer Posts: 21,140 Posts Per Day: 3.03 Thanks Received: 633 Trader Stats: 3 (100%) Joined: 11-March 05 From: Brownsburg, IN Member No.: 532 Mood: Hyper |
Woo Hoo! I was right!
-------------------- Founding Member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males
"Drag racing is for fast cars, and autocrossing is for fast drivers" -Toecutter |
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Feb 6 2013, 04:33 PM
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Elantra Guru Group: Leader Posts: 3,309 Posts Per Day: 0.62 Thanks Received: 558 Trader Stats: 0 (0%) Joined: 12-August 09 From: Clinton, MA (USA) Member No.: 7,533 Mood: Evil |
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Feb 6 2013, 04:52 PM
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Proud GLT Owner Group: Lifetimer Posts: 21,140 Posts Per Day: 3.03 Thanks Received: 633 Trader Stats: 3 (100%) Joined: 11-March 05 From: Brownsburg, IN Member No.: 532 Mood: Hyper |
For that you are banned hahah! I didn't know you were a mod on ForteForums too! -------------------- Founding Member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males
"Drag racing is for fast cars, and autocrossing is for fast drivers" -Toecutter |
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1 members thank Bobzilla for this post Vinnie | |
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