₦airaland Forum

freaknik:
I have one for sale too, do u still need it? call ot whatsapp 09098193223

kingreign:
Not high enough so not clear.

adanny01:
Oh nice to hear that the problem is gone.

This reminds me of my thread www.nairaland.com/2384754/advice-needed-repair-2008-honda

It ended same way too after my kazeem removed the engine 3 times for a wired sound. He had no idea the oil pump needs to be timed in which case caused a collision of parts making the sound.

There is a lot kazeems dont know especially on newer cars

adanny01:
I have read the same experience like yours. I think the ecu is responsible for setting that limit at 4k rpm to prevent damage from the failure of the VTEC system.

I will check for the oil pump issue.

If the actuator has a problem, it should have a different code other than P1259. There is a camshaft position sensor by which the ecu checks the actuator.

Beer would have been welcomed.

adanny01:
Ok. The actuator is the head or pulley of the intake camshaft. Its the part that actually does the work that the system is named as VTEC. The solenoid is the means with which the ecu controls the actuator while the pressure switch makes sure oil is supplied in correct pressure to the vtec system.

If by your test you have confirmed both solenoid and pressure switch, then the only thing left is to confirm that you dont have a weak oil pump.

I hope you have tried the first option which is making sure the connectors of both solenoid and pressure are making contact.

The last resort like i said before is the bypass. The bypass is actually meant for those who swapped engines or ecu to one with no VTEC pressure switch which will cause the ecu to look for input from the switch and solenoid.

It involves accessing the ECU and installing a jumper to the inputs A4 (VTEC solenoid) and D6 (VTEC pressure switch) of the two sensors. Alternatively, it can be done in the engine bay by connecting the 1 wire from the pressure switch to 1 wire of the solenoid. These wires should be the wires that run to the ecu. Note that, of the 2 wires that connect to both sensors, 1 of each is ground and does not run to the ecu. So you have to find out which are the ground wires and connect the others together. Its same effect as jumping at the ecu.

However, you will do this at your own risk as i cant take responsibility for this since i have not tried it myself. My warning is because i dont know what that could do to the ecu but responses say it will be fine or nothing will happen if it doesnt work.

www.honda-tech.com/engine-management-tuning-124/vtec-pressure-switch-trick-3026225/
www.honda-tech.com/engine-management-tuning-124/vtec-pressure-switch-bypass-but-still-have-cel-3000015/

adanny01:
Thats the solenoid.

You need to test it and confirm it is working. I believe its connector should have 2 pins, connect both directly to the battery. Research and find out the polarity of its pins before connecting the + and - battery terminals to the connector pin points usually numbered inside.

If found working then we can eliminate the solenoid from fault and proceed to checking vtec pressure switch.

Anyways, i am just researching on your case and saw same complaints with same symptoms like yours (engine wont accelerate beyond 4k rpm). I have seen suggestions which those who tried said it works. It involves jumping some wires but i wont advise you at this point till all efforts to solve it fails the you can try that as last resort. Thats why i wont tell you details about it yet.

mayor2013:
Symptoms of late engine oil change. An enemy of the vtec/ rocker arm actuator technology. Yes you have changed the vtec solenoid and it still persist. Inspect your emgine for sludge. Series of test needs to be carried out. Have you checked your cam sensor. Stop throwing money around parts.get a competent hand to have the problem solved. Cheers

GAZZUZZ:
Low oil pressure and possible sludge.

adanny01:
The VTEC assembly? Do you mean the actuator or the solenoid.

The VTEC has 2 main parts, one is the actuator which is the head of the intake camshaft where the timing belt/chain is on and the solenoid which is located above the oil filter.

I dont know which of them you changed but am guessing the solenoid.

If thats what you changed, you have to make sure it works. Like most solenoids, it has a piston the moves and you could hear it click. Connecting it to a battery will make a working solenoid click. A service manual has specifications on it.

Another thing is that the solenoid depends on oil pressure to work. So if oil pressure is low i believe it will malfuction. Since your filter is changed, i want to believe that is eliminated. The 2 things i can think of is a weak oil pump or blocked oil line/screen filter to the solenoid.

GAZZUZZ:
Not same engine but same part and location.

Replace and thank me later

[img]http://t1.gstatic.com/images?q=tbn:ANd9GcQlfTLZHfYzMHKGPxeUTcrLU-vz8V6zBYF49IjdpOdI3NpxGpBN[/img]

Juliet11111:
why are Nigerian guys always fond of not keeping this promise

luyemee:
I'm still here to answer questions and help y'all

pbs4real:
it aff do joor u guys are deviating frm the real topic to sumtin else. . . . I go cal macmilla for u ooh

pbs4real:
no wonder he's amg the first three people u followed. . . .luv wan tin-tin keep trying ooh lala

LadyBoss1:
Lol
Come are u d one liking all my comments

LadyBoss1:
Lol nah so
When i start now u run

LadyBoss1:
My feature nah macmilla if u must knw.... .. But d guy hard to get .... Now take dat to d birds

adoptop70:
Is not working on Android phone, the package is now 1k but not working on Android

bosuzyca:
Its Mini 1 with 16GB memory. location is ikeja. Color is white. Call 08061309137 now. Thank you.

choix007:
Will u swap with a clean LG g2 VS980 4G plus cash, am in benin 07033730973

bosuzyca:
I have a used white iPad mini for quick sale. its well used with slightly broken touchpad. The screen is still intact,just the touchpad needs replacement. Working perfectly with the touchpad not too obvious. Price is slightly negotiable. serious buyers only. Thank you.