Man ive had enough of this Vtec mafunction bullshit...
9 months ago
New Cat Converter

3 months ago;
New Vtec-solenoid
New Intake Manifold
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This week, AGAIN my CEL come on after i was merging onto the freeway and i was accelerating, vtecs cuts off, light comes on, Vtec Malfunction... Since last sunday, its been lagging like hell..
I just changed my oil 3 weeks ago. And I checked monday i good on oil.

Anyone think of something that i havent fixed yet.

Some Suggestions would be very appreciated..

 

go back to the old cat

 

The one that was plugged? It made an ugly sound from 3000-4500 rpm.

 

i heard that some aftermarket cat converters do that and u cant avoid them...just telling u what i heard...

 

Thnx man, im just pissed.... Oem cats are expensive..

 

has ur ecu been tampered?

 

When i bought the car, i think they had it in 'diagnostic mode' i found out a month after i bought the car.

 

what do you mean by "diagnostic mode" ?

 

They short the Ecu with a little metal thing, they took it out. I used to really feel vtec kick in, after that chip thing was taken out, it smoothed the acceleration out.

 

could be a bad ecu..

could be short in wires from vtec selonoid

 

Fuuuck, that sounds like a lot of $$$$$$$

 

Did you reset the ecu after removing the jumper? You might also check to see that the vtec solinoid is getting good signal. There really isn't much else that can cause a problem with the vtec system... it is very hardy most of the time.

 

dude you could never get ahead man....always something with the car huh.

 

Ive prolly rese the ECU 100 times since ive got the car. how do i find out if soledoid is getting a good signal?


Hybrid, u know me, i fuk everything up... wait u dont know me. if u can help me fix this on a budget, ill buy ur springs off u!

 

Sounds abou right to me, a short, or a bad ecu. Go to the dealer

 

Nooooo Dealer = $$$$$
"uh sir you sneezed near me, theres a $75 'bless you' fee"

 

so true, so true

 

You can test it for continuity, but as for what the proper volatage should be, wilp99 might know.

 

Prior to this post, what have you done to this car recently?

Like what others had said, check the soleniod and ecu for any shorts. That could and probably most likely be what wrong.

 

No engine repairs i havent mentioned already. I forgot about the ECU bullshit when started the thread. But my car was acting so good for like 5 months, im not sure thats it.

The vtec malfunction/lag occurs at its worste when im turning, as if its low on oil. But im good on oil. Im not a mechnic, (obviously) but wat i wnna know is whats sending my oil through the system, maybe the 'oil pump' (if that exists), isnt sending the oil to my solenoid...?

 

If you find out its the ECU I have one sitting in my closet.

 

because everyone has an extra ECU lying around in their closets... I think I have one in my wallet.. let me check.

-Alex

 

check the oil pressure sending unit.. should be attatched around the oil filter. if its clogged or bad the ecu may think theres not good oil pressure and go into limp mode.. i think they are pretty cheap. ill find out..

 

http://www.partsamerica.com/ProductD...pe=417&ptset=A

this one i think if for the light only..

and this one is for vtec and timing controll.
http://www.partsamerica.com/ProductD...pe=417&ptset=A

when i get home ill check the ohm procedures for it. i would just remove it get some electrical part cleaner and spray inside the hole.

this is the vtec one

 

Check to see if you have a dent in your oil pan.....that is how I blew my motor. It starved not only the VTEC, but the oil pump. Check it out....

 

haha Im pretty sure I have half an extra CL between my garage and closet (aka parts room) from the turbo install.

 

lol.

dont mean to thread, but now that you mention your beast, you get any good kills lately w/it?

-Alex

 

My thread!! Backoff!

hey Wilp, is this shit i can replace on my own?!?
do i need to be taking shit apart. its not that im scared to work on my own car, its really a lack of tools that stops me.

And for more fun, im on my way to take my last final, and on the freeway, the electrical system shut off and back on real quick. 3 times. THen i pull over, and pop the hood, check the battery connection, bad idea cause now i cant pull the CEL codes... FUKINSHIT!!!! But now i got vtec laggage like a muthafuker, but it hasnt electrically sneezed again. i wish i had $$ to trade in for a 2nd gen....

 

havent been to the track and dont race on the street after one very expensive day

 

it sounds like a bad ground somewhere. follow the battery negative to where ever it goes and see if it has broken wire strands or is corroded or just disconnected. also go to autozone and have them come outside to the car and check the alternator. its free, so just to rule that out.. but yea the sensor is easy to remove. just get an adjustable wrench and un screw it. remember alittle oil is prolly gonna come out. i have no idea how much but it wont be as much as the oil filter holds. so have a bucket or some dirt ready. and when you re install it dont gorilla torque it down. just snug it down real good. it will just kind of stop screwing in. and you might want to use some of that thin white plumbing tape and put it on the cleaned threads just to make sure it doesent leak.

 

Thanks wilp, ima Gitrr done tonight. Ill tell u how it goes sat or sunday.

 

One helpful individual... Props.

 

Update. New Alternator, no accesory failure, my car is engaging Vtec, but its laggy. I think it might be the Cat. the reason i say this is because when my car is cold, I have no vtec lag at all. It picks up like crazy. So when the cat converter is cold, its not messing up, when its warm, i lag. wierd.

 

Funny shit

 

look at the cat after you go for a drive.. leave the car running and look underneath the car.. if its clogged it will glow red hot.

 

Wow, I hope I never see that.

 

Thnx for the advice.
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sorry for harrassing you wilp, but i was driving home, and my oil pressure sensor thing came on and off when i was turning onto another freeway..

So maybe its both the cat and the sensor? i wish my friend still worked the acura stealership!!