Bought S2K from dealership( sputtering)
Registered User
Joined: Mar 2009
Posts: 740
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From: SoCal 626
Hello i bought a beautiful 2002 RYP from a well known dealership. It is in very good condition. However, after bringing it home, I noticed there is slight sputtering, misfing or whatever you want to call it. its barely noticeable, but im not your average driver and i can tell/hear. Also, whilst sitting in idle, there is vibration in the cockpit..not sure if this is normal or might be related to the rough feeling of the engine.
car has 98K. bone stock. new air filter. Dealership put fuel cleaner when they acquired the car. I put premium gas during journey home. Carfax and records are plentiful, but there are no records of spark plug change. Ive started looking at s2k forums and researched this and came upon the dirty map sensor diagnostic.
anyone want to chime in? Im new to s2k, maybe the vibration in the car during idle is because racecar?
do you seafoam these engines? should i start by running octane boosters and fuel injector cleaners?
I was going to do that, then change the spark plugs and clean the map sensor. Anything more, and i would hate to say im disappointed in the s2000....
help new found s2000 friends
car has 98K. bone stock. new air filter. Dealership put fuel cleaner when they acquired the car. I put premium gas during journey home. Carfax and records are plentiful, but there are no records of spark plug change. Ive started looking at s2k forums and researched this and came upon the dirty map sensor diagnostic.
anyone want to chime in? Im new to s2k, maybe the vibration in the car during idle is because racecar?
do you seafoam these engines? should i start by running octane boosters and fuel injector cleaners?
I was going to do that, then change the spark plugs and clean the map sensor. Anything more, and i would hate to say im disappointed in the s2000....
help new found s2000 friends
Registered User
Joined: May 2015
Posts: 183
Likes: 0
FOLLOWING THIS POST!
I have the EXACT same issue. Changed sparks, cleaned IACV, new filters, and did a compression test (210 all the way around all 12 times)
So I have NO IDEA what this is, and I totally want to find out.
To add: Mine is only really bad once its warmed up fully, and at idle. Dont notice it elsewhere. Going to try getting a new coil pack soon.
I have the EXACT same issue. Changed sparks, cleaned IACV, new filters, and did a compression test (210 all the way around all 12 times)
So I have NO IDEA what this is, and I totally want to find out.
To add: Mine is only really bad once its warmed up fully, and at idle. Dont notice it elsewhere. Going to try getting a new coil pack soon.
Registered User
Joined: May 2015
Posts: 183
Likes: 0
So here's a video of mine:
https://www.youtube.com/watch?v=4Cyv...ature=youtu.be
Tried to remove and replace each coil pack one at a time with the new pack -- no difference. So sadly for me, its not the coil pack!
Still following for updates.
https://www.youtube.com/watch?v=4Cyv...ature=youtu.be
Tried to remove and replace each coil pack one at a time with the new pack -- no difference. So sadly for me, its not the coil pack!
Still following for updates.
Joined: Oct 2008
Posts: 1,113
Likes: 51
From: San Francisco
So here's a video of mine:
https://www.youtube.com/watch?v=4Cyv...ature=youtu.be
Tried to remove and replace each coil pack one at a time with the new pack -- no difference. So sadly for me, its not the coil pack!
Still following for updates.
https://www.youtube.com/watch?v=4Cyv...ature=youtu.be
Tried to remove and replace each coil pack one at a time with the new pack -- no difference. So sadly for me, its not the coil pack!
Still following for updates.
Coil pack fixed mine, but if you review my thread, my other theory was fuel injectors (per other posters w/ similar symptoms):
https://www.s2ki.com/s2000/topic/113...t__p__23709147
After that, lhe less savory theories are tight valves or bent valves, per Billman:
https://www.s2ki.com/s2000/topic/805...t__p__19196466
Hopefully someone else will chime in with more ideas.
Joined: Dec 2009
Posts: 2,099
Likes: 17
From: Miami
