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Can i drive my car if i unplug the vtec to i have the money to buy a new one they are $365

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2002 honda civic p1259 problem

P1259 HONDA - VTEC System Malfunction
Possible causes- Low engine oil pressure or level
- Open or short circuit condition
- Faulty VTEC oil pressure switch
- Faulty VTEC solenoid
When is the code detected?The P1259 is set when there is a problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit

Oct 01, 2012 | 2002 Honda Civic

1 Answer

Check engine and TCS light on. code P1259. can not rpm 3500

P 1259 VTEC oil pressure switch circuit or vtec solenoid or valve,Here the situation you can be dealing with the oil pressure switch or the VTEC solenoid or valve,8_10_2012_5_08_54_am.jpg

Aug 09, 2012 | Cars & Trucks

1 Answer

Replacing alternator on honda accord vtec

unplug the batterie ..the connector of starter and is bolt..put the new one in and reassemble all part in reverse order

Apr 20, 2012 | Cars & Trucks

3 Answers

Code p1259

low oil level can cause this as well as a bad oil pressure switch for VTEC control, possible VTEC solenoid.
Another reason for this code is the immobilizer. the anti theft device that looks at your key for the diode to match the car. This is on cars with out the VTEC.
On the VTEC system
VTEC System Malfunction

-Low oil/pressure
-Blocked oil pressure
-Failed VCT oil control valve

Apr 01, 2011 | 2000 Honda Accord

1 Answer

Deciding on buying 2 cars, a 94 accord LX w/ 170K, the engine is so quiet it seems to perfect (its at a dealership). The 95 EX with 122K is not as quiet, has a VTEC engine and is really only loud when I...

Well one easy answer for you. The VTEC enige is unbreakable and will rev higher than you think. When the VTEC kicks in you will get a bit more noise as the enige sucks more air but believe me as long as you keep ontop maintenance wise it will be the best buy.

Dec 15, 2009 | 1995 Honda Accord

1 Answer

Is it possible to make a d15b carburator engine to a vtec

In my opinion it is not worth it. In order to make your d15 a vtec engine, you will have to put a d16 head on it. That will require drilling new oil ports, converting the engine to fuel injection, changing out the computer, and a whole lot more things. You would wind up spending more money doing that than just doing a d16 complete swap. plus the d16 will have more power over all anyway compared to the d15 vtec. d15 is a 1.5L the d16 is 1.6L reguardless your gonna have more power with a d16. Just a suggestion.

Oct 13, 2009 | 1991 Honda Civic

2 Answers

Honda s2000, 2001 loose of power when vtec engages I get to around 6000 rpm it sputters continues to 9000 rpm.No Engine light or codes. Vtec is working . I removed the solenoid and cleaned, replaced the...

If youe engine is stock - the VTECH should kick in at 5000-5500RPM.
Your car should be Dyno set. Every vehicle is different.

The 5000-5500 is good because if you were to set it down low it would almost be like having a non-vtec motor. If you set it at 6000, and your redline is 7000 then its not going to realy do anything. Again, almost like having a non-vtec motor.


The first two pics are examples of where VTEC should be set earlier to smooth out the curve - the latter is an example of where VTEC should be set later to smooth the line out. You want the least noticeable transition from the non-VTEC to the VTEC lobes on your cam. That's when you'll make the most power at every point in the rev range.

Too early and your engine stumbles while it tries to get into the efficiency range of your big lobe- Too late and you have a huge jump where you could have had more power a few hundred rpm sooner.
The first graph had the VTEC set later (4400rpm) so that I wouldn't be jumping in and out of VTEC all the time on the highway, the second is the stock S2000 (6000rpm) that Honda sets so that the customer can feel the VTEC kick in (sells cars because it's cool, but isn't the best for max power), and the third was just set too early because it wasn't a custom tune.

Hopefully that gives you a more visual explanation of why you want to set your VTEC crossover point on a dyno.

Another suggestion is to unplug the IACV (Idle Air Control Valve) and see if the bog persists.

Finally - you may have a clogged cat. Remove the plug for the Throttle body Sensor and check again for the bog.

If no bog under this condition - your cat must be gutted, removed, or replaced.


Aug 23, 2009 | Honda S2000 Cars & Trucks

1 Answer

I have a Honda 2004 CRV - the repair ( OBD II) code is P2647 - what does that mean?

P2647 VTEC Oil Pressure Switch Circuit High Voltage - With Automatic Transmission Basicallly the sensor has gone bad or an oil passage has become blocked.

**. Locate the Variable Timing Electronic Control (VTEC) pressure switch on the end of the cylinder head. Honda has had problems with the VTEC oil pressure switch, there is an updated part number for the vehicle (37250-PNE-G01). On this vehicle the VTEC oil pressure switch can fail at any RPM.
2. The VTEC oil switch is normally closed, and grounds the reference voltage from the Engine Control Module (ECM) on the Blue/Black (BLU/BLK) wire. If the code sets at idle - 2500 RPM - and the Brown/Yellow wire has a good ground, then suspect a faulty VTEC oil pressure switch.
3. At approximately 2500-4000 RPM and when driving the vehicle, the VTEC system should turn on. To turn on the system, the ECM energizes the VTEC Solenoid valve and it allows oil pressure into the intake valve rocker arms, the oil pressure opens the VTEC oil pressure switch so the Engine Control Module (ECM) can verify that the VTEC did turn on correctly.
4. The code will set at idle to 2500 RPM if the reference voltage is not grounded. The code will set above 2500-4000 RPM if the VTEC oil switch does not open.
5. If the code sets at 2500-4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly.
Potential Causes: Low Engine Oil
Plugged Oil Passage
Insufficient Oil Pressure
Plugged Oil Screen
Insufficient Oil Volume
Malfunctioning VTEC Oil Pressure Switch
Defective VTEC Solenoid

Jul 13, 2009 | 2004 Honda CR-V

1 Answer

I am wanting to put a vtec 4 cylinder engines in a 1992 geo metro

Are you sure you want to do that? A VTEC engine is worth quite a bit of money and the work involved is huge if you have not done anything like this before. Manufacturing motor mounts, making the exhaust fit the new engine, wiring and what transmission do you want to use? It is best to use the one that came with the engine but now you need to make the drive axles fit. The list goes on.

May 20, 2009 | 1992 Geo Metro

4 Answers

92 honda civic wire 4 vtec

hi, i am sorry to tell you that your motor can't support v tec , and i advise you not to try , and thank you for using fixya

Jun 25, 2008 | 1994 Honda Civic

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