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rough idle

  1. Does a intake manifold need a tune to use safely

    After I had to take off my timing belt to replace my water pump by rpm’s have been off when im idle. when I’m in drive they’re at around 400 to 500 and will sometimes be at 200 but in park they’ll be at 1000 to 1100 and sometimes 800 so ive been running a higher idle at 900 drive and 1600 park...
  2. Kvkenamond

    2G Engine stalling constantly

    Over the past couple weeks my car has been idling weirdly but now whenever I shift into neutral to stop, the rpm drops super low and it stalls. At the start of a drive it catches it but not super well and it gets worse and worse till it's stalling at almost every stop. I can prevent it from...
  3. Milo 92

    2G Rough idle after it warms up

    Hopefully someone can help. My 99 Eclipse GST idles perfect when cold but after it warms up it starts to stumble. Feels like the car will die but then it idles up again and keeps doing that. It’s never completely shut off. Car is all stock. I’ve tested different sensors and replaced a few things...
  4. Volif_

    1G Mitsubishi Eclipse 1.8 Rough cold start, running rich and rough high idle

    Hello,I have bought myself a 1990 1g eclipse 1.8 about 3 weeks ago, and am currently having one major problem.A quick backstory of the car:The car has not been driven and on the road since 2001 so about 21 years. It has 91000 miles on the dash. I am now the 3. owner the previous owner...
  5. S_39

    GVR-4 Galant VR4 Doesn't Idle Properly

    Yet another bad idle post....My Galant VR4 that I bought earlier this year (and had a plethora of issues with it that I have been solving 1-by-1) is having issues with its idling. When the engine is cold, the car doesn't even start or idle without me pumping the gas and holding it above 800rpm...
  6. Old man Neo

    2G Tricky lean problem. Any ideas?

    Didn’t think I’d be asking for help so soon after joining, but here we are!About 2 weeks ago car started idling poorly on cold starts. A couple days later I got a P0170 code (fuel trim malfunction). Hooked up the scanner and found it running lean under all conditions, by the time the weekend...
  7. srp-pk

    420A Relay click noise and rad fan turning on for a sec

    Hi everyone I really don't know how to name this thread.1995 Eclipse gs 420a standar Motor restored Mobile 15w40 oil All new sensors except coolant temperature and IAC valve. New coil pack, spark plugs (double checked on the gap, set to 0.050) and wires. All fuses checked and replaced the...
  8. srp-pk

    420A 95 2gNT Fuel pump/ASD relays replacement

    Hi everyone. This is my first post in the blog (after spent hours reading a lot of useful posts). I'll introduce myself. I'm Samuel, an 2g eclipse lover. This 95 eclipse gs is my first car and I'm learning a lot about mechanical things (there is a new thing to fix on this car everyday jajaja...
  9. ncarson91

    2G Starts idles rough stalls clueless

    No check engine light or code starts is ok for legit a second or two then idles rough and stalls not sure what is going on. Recalibration wideband.
  10. FredRider

    2G I turn on my Eagle Talon Tsi 1997 it idles rough and its sounds like its having a hard time Accelerating

    Hello! Everyone! I changed my sparkplugs recently thinking that maybe the reason it idled and had such a hard time accelerating was that it needed new sparkplugs it went away for a couple of days but started to act up again this week. I changed them about two weeks ago and I thought the problem...
  11. Rydsei

    2G Sometimes rough idle and sometimes not - Need help!

    Sorry if this topic has been done to death, but I did search but mostly came up with 1G and not 2G for my problemMy car is 97 Eclipse GS 4G63 and I was wondering what you can can make out of this behaviour.Rough Idle Problem:Right, So I started the car this morning it had an horrible idle...
  12. 1G Misfiring when on idle and letting off throttle.

    Car runs fine under load, and even when you start it for the first 5 or so seconds when idle is high, When idle settles at around 850 you can really feel the engine vibrations and misfire. The Galant is running and driving but the vibration is extremely worrying, at stop and go traffic the idle...
  13. 2G CAS wires snipped?

    I picked up a 95 gsx in a trade I got it with a blown turbo, rebuilt it and started to drive it. I got around 300 miles till it just died on the road. Everytime I start it idles on 2 cylinders for a few seconds then dies. I noticed that the CAS was snipped, could this be my problem? If so why...
  14. Almostfaster

    1G Hard starts and low power after Head Gasket replacement

    I did a head gasket replacement on my 1994 Mitsubishi Eclipse 1.8L. Now let me start off by saying the head gasket was not blown but had an external leak at the oil jacket by cylinder #4. This was creating a river of oil down the side of the block and onto the bell housing of the tranny. Since...
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