klkev99

Hi all

i have noticed recently my car feel very weak once warmed it takes ages to get to vtec feels like i am pulling another car !!

the first 10min of driving is fine nice and smooth,

already changed new plugs, all fluids cleaned MAP and ICV sensors

NO CEL

please help

bronxbomber252

Have you also noticed recently that it is getting hotter out? and that you do a fair bit of sitting in traffic or at red lights? if so it is probably heat soak, not much you can do about it.

s2klariat

Another thing could be a clogged cat. Sometimes it won't throw a CEL and once warmed up the cat could possibly be restricting the exhaust. Just a suggestion

zeroptzero

what intake setup do you have - oem air box, oem air box with lid removed, aftermarket intake ?, if it is any of the two last setups I listed then that would explain your issue. If it is the oem setup then I don't know what else to suggest other than normal heat soak like mentioned above. In high heat conditions the ecu gets more conservative with timing plus high temp air results in lower power. How are your coolant temps ?, normal ?

s2cho

what kinda oil are you useing and have you checked how much oil you have?

klkev99

Thanks for the reply guys

my current set up:

closed Stock air box with Mugen filter
63mm test pipe

if i run a spoon type intake duct with the OE airbox will that help?

the difference in power is night and day, once warmed its really really slow

yourboysoap

IAT sensor?

klkev99

could you tell me more?

what and where is the IAT sensor???

Drkphnx

IAT= intake air temperature, not sure how to read it tho, I think you can use a scan tool. cant see heat soak being a problem with just those mods.

S2KCHRIS305

I got the same problem . As I live in florida I think it must be the heat soak