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  1. Problem Reports
    I've got something going on with my Eclipse 4G, and I can't figure out what it is. I'm trying to avoid taking it to a shop and blowing 500% more money than what the repair is worth on mechanics time and repairing parts that aren't the problem. So I thought I'd ask here first. Here's the deal...
  2. 2006-2012 Eclipse (General 4G)
    Upon removing my cylinder head to replace a blown head gasket, I was cleaning up the mating surfaces on the head and as I spun it around to get to each surface, these fell out. Two of them fell onto the ground and I was not able to tell exactly where they came from and one was loose inside one...
  3. New Members Forum
    Hello there! I'm AJ, out of Maryland, US. Just joined the club with a 2009 Eclipse Spyder GS. I've always had a crush on the Eclipse since I was younger and Fast and the Furious came out. The body style was so sleek and smooth looking. I was elated to see that this 4G was the only car in my...
  4. 2006-2012 Eclipse (General 4G)
    Anyone know best spark plug gap size once we start putting performance parts on the GS. Have mine at the .08mm as per the book. But debating on opening them up a little more.
  5. 2006-2012 Eclipse (General 4G)
    So I just took the intake off for the first time and basically what I was looking to do is check each spark plug to make sure there was no oil on them and I attempted to do a compression test on each cylinder I ended up not being able to do the compression test because I couldn't figure out how...
  6. Problem Reports
    spark Plug -HKS M40I oil - Castro 5W-20 i do the oil change and the spark plugs and i got a check engine light on . plus i got a really ruf Idle .. need helps please and advise would appreciated ,,,
  7. Problem Reports
    Hi I've been getting the code P0421 and low gas mileage. First thing I checked was if my spark plugs were fouled up. When I checked them, all my spark plugs had oil. So I replaced the valve cover gasket and spark plug well gasket thinking that might fix the problem. I erased the code and drove...
  8. Problem Reports
    first off the code is P0304 or misfire in cylinder 4 because i knew you would ask.. after cleaning the boot that connects to the spark plug it randomly stopped misfiring then started again the next day.. ive tried different elevations of the spark plug i have noticed that when the Sp is just...
  9. 4G Eclipse GT/SE Specific
    Hi, ill start off by saying I just had my water pump and timing belt changed, I don't know if this new problem is related or not. Right before I got that work done I started have trouble getting my car to restart, but only after it had been running for a while. One day about a month after I had...
  10. New Members Forum
    I'm new to the eclipse and i love mine. But I am running a p0421 code. the cat con on the left side has already been replaced once so i didn't know if i had a chance of it being something else. i looked at the other thread about the p0421 and i was hoping for one of those other two problems(o2...
  11. Problem Reports
    Today I replaced the valve gasket cover, spark plug seals, and spark plugs on my 2006 GS due to finding oil in the spark plug wells, and now it won't start. It cranks but nothing else. Any ideas on what this may be?
  12. Automotive For Sale/Wanted
    FS: NGK Laser Iridium Plugs (x6) *PRICE DROP* PRICE DROP Bought these but never ended up using them, brand new. Includes anti-seize. $50 $40 shipped for US. Outside US will be extra shipping. NGK (4867) IFR6B-K Laser Iridium Spark Plugs
  13. 4G Eclipse GT/SE Specific
    I'm going ro be replacing my plugs soon on my 09 GT spyder. while I have the manifold cover off is there any other recommend things I should be doing ? the car has 84K miles and runs great. I will be replacing the manifold gasket also. BTW the plugs I'm using are the NGK Iridium IX. I was told...
  14. Problem Reports
    In my recent attempt to replace my spark plugs, I put the coil back in and did not use a torque wrench to tighten down the bolt. I broke the head off of the bolt and cannot find a replacement bolt online or instore. Where can I find a replacement?? And would I be correct in assuming i shouldn't...
  15. Problem Reports
    So while replacing my spark plugs on my 2006 GS, I discover oil in the tubes :facepalm: After reading up on some very useful threads here, it looks like OEM tube seals are the best way to go. Which is great, except that I can't find the OEM part number! Valve cover gasket part number, no...
  16. 4G Eclipse GT/SE Specific
    Hello, everyone I have a 2007 Mitsubishi Galant Ralliart and I'm looking to buy headers. I've been riding with the CEL on for months due to O2 sensor in the rear, I did the spark plug fouler mod and it worked for about a week before the CEL came back on. My city MPG has decreased and I've...
  17. 2006-2012 Eclipse (General 4G)
    Morning. Just wanted to say this website is great. Good info on here if you search for it. Not new to the car scene, new to the Eclipse scene tho. Traded a Grand Cherokee for a 2006 GS with 90K miles on it. I love this car. Espcially since the MPG is much better than my Jeep was. Since getting...
  18. Automotive For Sale/Wanted
    I have a used OBX header for a GS that comes with a Cat Delete and S pipe. Also included is spark plug defoulers. Make an offer.No longer have car 200 OBO
  19. Problem Reports
    Hello all, new member so please go easy. OK I'll try and not make this long. I was doing 60mph on the freeway and the car just died (2006 gs manual). Turned out my timing belt and I think balance belt snapped. The mechanic sent the head out to be machined. He later reported back that I only...
  20. 2006-2012 Eclipse (General 4G)
    I have a factory 06 GT and I just want to try to get past emissions. THe P0421 is popping every day and a half know. I have been driving with it for almost 2 years with no visible performance issues. Tried the disconnect of the battery cable to clear the code but it is not going to stay off...
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