Question about 2004 Hyundai Santa Fe

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I changed spark plugs 04 Hyundai Santa fe

Changed the spark plugs, pulling manifold off and egr valve tube off manifold, replaced the plugs and mounted manifold back and hooked up vacuum lines and all plugs back on, fired the car up and stuttared real bad shut it off and checked everything for leaks and plugs everything is tight and plugged in, I smell fuel and I pulled all plugs and all were soaked with fuel, replaced all plugs with new ones and still doing the same thing, I pulled the coil pack off and watched it as the motor was turned over for spark and there is a little fire. What could this be?

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Check vacuum and/or electrical connections at the fuel pressure regulator,usually located on the fuel rail near the line from the gas tank. It sounds like your regulator is being held 'wide open' by too much vacuum or no signal from ECU.

Posted on Nov 19, 2009

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2003 hyundai santa fe po401


P0401 means Insufficient Exhaust Gas Recirculation (EGR) Flow. The computer has detected that something is wrong with the EGR system. Can be caused by the EGR tube being blocked/restricted, bad EGR valve, EGR valve not opening (no vacuum), or a bad sensor.

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a cam sensor symptom is car running rough if no spark sounds like crankshaft sensor

Apr 19, 2014 | 2004 Hyundai Santa Fe

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Change spark plugs on a 2003 santa fe


That is what you have to do on a chrysler v-6, also-remove the intake manifold. Be sure and use a new gasket for the manifold. Also check if there is a holding bracket for the manifold on one side or the other, or both as on a chrysler.

Dec 18, 2012 | 2003 Hyundai Santa Fe

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I changed the injectors, spark plugs, plug wires, intake gasket, and my santa fe 2001 idles good but dies on accelleration


How many km are on this car I would go to muffler shop and do back pressure test it only costs 10$ to me it sounds like a bad cat to me

Jan 08, 2012 | 2001 Hyundai Santa Fe

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PO401 code car idles fine how do I fix? Yellow stripe hose clamped egr does not work if I put vacuum directly to egr it will work. Hoses look good. I think might be egr solenoid has office inside. 2004...


Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM's with the EGR open

Clean out the EGR valve and/or tubing to remove deposits

Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model)

Replace the DPFE sensor (with a good quality / OEM one)

Replace the EGR valve

Aug 18, 2011 | 2001 Hyundai Santa Fe

2 Answers

Check engine light comes on for 2004 Hyundai Sante Fe. O2 sensor was replaced but still has the problem. Does the EGR manifold tend to get clogged up on the Sante Fe? I fixed a Honda Civic check engine...


First of all, why was the O2 snsr replaced?... Check Engine light? What DTC (diagnostic trouble code) did you find stored in the ECU (Engine Control Unit)? The drivability you seem to be describing can have multiple causes -- faulty sensors, malfunctioning computer, clogged catalytic converter, leaky injectors, vacuum leaks, etc.

Ok... this is gonna take some time. The 04 Santa Fe came with 3 (three) different/possible engines -- the 4 Cylinder 2.4 lit, the 2.7 V6, and the 3.5 V6. Only the 2.4 (4 cyl) and the 3.5 V6 are equipped with EGR. The 2.7 does NOT have EGR. To answer part of your question, the EGR system on the 4 Cyl is known to develop restriction(s) in the EGR port (from the # 4 cylinder exhaust port to the EGR valve at the intake manifold). This port travels through the head (front to rear, i.e., Left to Right when viewing the engine from the transmission end). This port cannot be seen at the # 4 cylinder exhaust port unless you remove the exhaust manifold.

It would be very helpful if you could provide more detailed/specific information regarding the drivability issue & what/which codes were found related to the Check Engine light.

Feb 12, 2011 | 2004 Hyundai Santa Fe

1 Answer

I have a 2004 Hyundai Santa Fe with the 6 cyl. engine. I wanted to change the spark plugs. I can get to the front ones easy enough, but the back ones appear to be under the intake manifold. How would I...


don't take the manifold off....... see if perhaps the window wiper dip tray will be enough room to access the rear plugs.....do not remove intake.

Apr 26, 2010 | 2004 Hyundai Santa Fe

1 Answer

I need to replace spark plugs and wires on my santa fe v-6. Do i need to remove the intake manifold?


There may be an engine cover over the valve covers that is a big piece of plastic that may say Hyundai, or Santa Fe,

I believe its three or four 10mm retaining nuts that hold it on, take that engine cover off, and there should be 3 wires in the top of each valve cover, those big wires are the spark plug wires, and they actually connect to the spark plug which is down inside the cylinder.
To remove, you will need a 3/8 drive ratchet, a long extension, I would say 6-12 inches, long enough, but not too long, and a 5/8" spark plug socket.
Take one of the spark plug wires out, and put your long extension with the spark plug socket on it down into the hole that the big wire came out of and you should find a spark plug at the end of the tunnel.

Oct 04, 2009 | 2004 Hyundai Santa Fe

1 Answer

Hyundai Santa Fe 6 cyl and spark plug robbery?


On the 2.7 V6, you have to remove the surge tank from the intake manifold to gain access to the ignition wires and the spark plugs. 2hr job.

Jun 26, 2009 | 2007 Hyundai Sonata Limited Sedan

2 Answers

2001 Hyundai Santa Fe Ignition coils & EGR Valve


Well I went ahead and took a go at changing the coils, plugs and wires yesterday. It literally took maybe 15 minutes and my hands didn't even get dirty. This is something that the auto place wanted to charge me 650 to do. I spent 200 on parts. I didn't realize the coils were the things sitting on top of the spark plugs. I think my 4 year old could've done it. All I had to do was unbolt the coils detach the wires and then replace. It was too simple.

Apr 17, 2009 | 2004 Hyundai Santa Fe

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