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View Full Version : AP1 S2000 cutting out before redline?


VTECking
02-10-2010, 08:38 PM
So my S2000 feels like it cuts out at about 8500 rpm's till redline. It feels like it the throttle comes off and on. So why is it doing this?
*Note* The motor is warmed up before I run it hard.
ejohnson88
02-10-2010, 08:43 PM
When did you do a recent tuneup on everything? Plugs, filter, oil change, O2, and all the like?
KevinT707
02-10-2010, 09:40 PM
I'm sure you might mean that it feels as if it's a "hiccup" ?

Could be either ignition (spark plugs) or fuel
VTECking
02-11-2010, 09:57 AM
I'm sure you might mean that it feels as if it's a "hiccup" ?
Yea, thats exactly what it does.
okay, so I need a tune up since the car has 115000 miles?
mocha latte cupcake
02-11-2010, 10:29 AM
definitely need a tune up if its that many miles,

i'd change all fluids (trans, oil, diff), Filters (oil, air, and cabin) Belt, and plugs + PCV
S2KJD
02-11-2010, 10:35 AM
yeah all that should of been done at the 80-100k mark anyways...
VTECking
02-11-2010, 10:39 AM
I just bought the car and just replaced the clutch so I kind of had my hands full. Im gonna do a tune up this weekend though.
Theycall_Metue
02-11-2010, 11:49 AM
yea all the tune ups like they said, change your gas filter also
S2KJD
02-11-2010, 11:54 AM
oh didnt realize you had just bought it, sorry. most likely the previous owner didnt do a tuneup when one was needed...
j0nbunklah0m
02-11-2010, 11:57 AM
clean/replace everything fuel related too. my car use to do this. I changed the fuel filter and cleaned injectors n it runs like a champ now
VTECking
02-11-2010, 02:53 PM
Gonna buy spark plugs, wires, fuel filter, maybe the air filter (they are expensive and the stock one looks like its in decent shape) today and see how she runs once those are installed. I'll keep yall posted.
Batlground
02-12-2010, 09:21 AM
Does your car have any mods or is it stock? Try the tune up items first and see if that fixes it. We had a similar problem on an s2k and it needed tuning.
VTECking
02-12-2010, 09:24 AM
^ Its bone stock.
Batlground
02-12-2010, 09:27 AM
^ Its bone stock.

Definitely do the tune up items first.
KevinT707
02-12-2010, 10:52 AM
Gonna buy spark plugs, wires, fuel filter, maybe the air filter (they are expensive and the stock one looks like its in decent shape) today and see how she runs once those are installed. I'll keep yall posted.
S2000 don't use spark plug "wires", they use coil packs. So just replace the plugs with good ol OEM stuff (NGK), don't go crazy with the $20 ones and like everyone else said: fuel/air filter.