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03 Honda Civic 1.7l, p1259, engine light is on, the key or the immobilizer light is blinking on the dash at times, not able to rev over 4k. Have already checked oil pressure,VVt system. please help

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  • Honda Master
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Code p1259 refers to VTEC system malfunction===causes-- wiring---VTEC solenoid/pressure switch---ECM programming---ECM
it refers to the cam position timing or the solenoid that alters the valve timing at different rpms of the engine
Take it to an accredited service center that has experience on your make of vehicle and have the system checked / replaced

Posted on Dec 24, 2016

Testimonial: "Bill, I have already checked both the wirings and the actual sensor and solenoid to the vvt system. found no problem. what puzzled me is that sometimes I have a blinking immobilizer light on the dash...."

  • Bill Boyd Dec 25, 2016

    the code is specific so take it as I suggested and have it properly tested
    it could be a problem ECM unit that you are not testing

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  • Honda Master
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Have you checked the timing belt? don-ohio (:^)

Posted on Dec 24, 2016

Testimonial: "Don-ohio, I have checked all the mechanical parts, timing belt, marks, wiring to the vvt, solenoid and sensor. but I still get this inability to rev above 4000rpm intermittently."

  • don-ohio Dec 25, 2016

    You have to have a diagnostic preferably at a Honda dealer/service run on it. You can't just look at a timing belt,and see if it has jumped time(teeth). don-ohio (:^)

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D16y7 1.6l vtec obd2 code p1259 crank no start


Definition of check engine code P1259:
Acura:
VTEC System Malfunction
Chrysler/Dodge/Jeep:
Glow Plug Module Control Over Current
Citroen/Peugeot:
Immobilizer to PCM Signal Error
Ford:
Immobilizer to PCM Signal Error
Honda:
VTEC System Circuit Fault (Bank 1)
Volkswagen/Audi:
Engine Coolant System Valve Short to Ground
Volvo:
Engine Coolant System Valve Short to Ground

Sep 15, 2017 | Cars & Trucks

1 Answer

Honda civic 2006 immobilizer issue


2006 Honda Civic EX Green Key Light on dash

Chances are you will have to get the key reprogrammed at the dealers.

Sep 10, 2017 | Honda Cars & Trucks

1 Answer

Code p1259 without CEL coming on. found out by the mechanic plugging it up the the machine.


buy it,this is the problem, P1259 VTEC MALFUNCTION CODE FOR HONDA 2 3L VTEC ENGINE ,replace it for about 150 bucks. 7775251b-bbeb-4468-b735-a02ee837616f.jpg OES Genuine Cam Adjust Solenoid for select Acura/Honda/Isuzu models, http://www.amazon.com/gp/product/B001G7ODLS
Amazon com OES Genuine Cam Adjust Solenoid for select Acura Honda Isuzu... ,,your check engine light also needs to be replaced,it was probably taken out in order to sell the car,it is illegal to do.

May 21, 2014 | 1998 Honda Accord

1 Answer

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

Just goyt my motor replaced on my 1992 honda civic dx manual transmission i turn the key the dash lights light up but it doesnt do anything else no clicking no vroom vroom


sound like problem could be clutch start switch.or your new engine need to be reprogrammed to the ignition switch immobilizer module and ecm.

Nov 17, 2011 | 1995 Honda Civic

1 Answer

I have a 2000 honda accord ex... My engine light is on and throwing the p1259 code. It is not a Vtec engine... help. I just got the oil changed and the light is still on. However they put 10w30 in.. should...


The P1259 : is problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit.
check the wire on the VTEC Oil Pressure if it's loose.

Feb 18, 2010 | 1997 Honda Civic

1 Answer

The key symbol appears


That's your immobilizer system light:
The Immobilizer System protects your car from theft. A properly coded master or valet key must be used in the ignition switch for the engine to start.
If an improperly coded key (or other device) is used, the engine’s fuel system is disabled.
When you turn the ignition switch to ON (II), the Immobilizer System indicator should come on for a few seconds, then go out. If the indicator starts to blink, it means the system does not recognize the coding of the key. Turn the ignition switch to LOCK (0), remove the key, reinsert it, and turn the switch to ON (II) again.
The system may not recognize your key’s coding if another immobilizer key or other metal object is near the ignition switch when you insert the key. To make sure the system recognizes the key code:
Do not keep other immobilizer keys on the same key ring.
Use a plastic or leather key fob, not metal.
Keep other keys away from your vehicle’s key and the ignition switch while trying to start the engine.
Do not attempt to alter this system or add other devices to it. Electrical problems could result that may make your car undriveable.
This indicator will also blink several times when you turn the ignition switch from ON (II) to ACCESSORY (I) or LOCK (0).
If the system repeatedly does not recognize the coding of your key, contact your Honda dealer.
If you have lost your key and you cannot start the engine, contact your Honda dealer.
Hope this lets you understand the light, and what should be happening.

Dec 16, 2009 | 2002 Honda Civic

2 Answers

I have green key flashing on dashboard but wont start


Check Fuse #9 under the hood its for DLC Power and Immobilizer System (10 Amp).

Look at the TDC wire harness. Sometimes the wire isnt put back in the holder on the rear edge of the timing cover. Then the harness gets sawed in half by the alternator belt.

Other Honda user had this problem on his 2005 Accord, after letting it sit battery disconnected for 20 minutes it was just fine. Inmobilizer for the lose.

My guess is your immobilizer kicked in because your battery in your key is dead.

So, I dont warranted if this process work...
Here is a better understanding of how a immobilizer works; each key has a code imprinted on it, no battery of any type just a random code. When you go to start the car the immobilizer computer sends a signal to the key. If the signal it receives back from the key matches one of the 5 keys it keeps in its memory, it sends a "OK start" message to the PCM starting the car. If it doesn't see the "OK start" signal it doesn't start and the green key light in the dash flashes. In short there is no way to reset it.

Try another key. If not, there is a way to bypass it shortly to get the car to a Honda dealership for reprogramming of a key or key replacement. Your Prelude may also have a problem with one of these components. It will need to be hooked up to a Honda scan tool and checked for immobilizer codes.Let me know if you have any questions. I'm a 6 year factory Honda tec.

I will try and answer all I can.Here is how to use the "pcm brake code" You weill need to call your local dealership and give them you vin # to get the code.To start the engine, follow this procedure:
1. Cut a temporary key using the key code and anon-transponder key blank.
2. Turn the ignition switch ON (II) with thetemporary key.
3. Enter the first digit of the immobilizer brake codeby pressing and releasing the e-brake pedal the samenumber of times as the digit. For example, if thefirst digit is 4, press and release the e-brake pedal 4 times.
4. Turn the ignition switch to Lock (0) and then backON (II).
5. Repeat steps 3 and 4 to enter the second, third,fourth, and fifth digits of the code. You have up to30 seconds to enter each digit.
6. After you enter the fifth digit, the immobilizerindicator on the dash will blink five times,meaning you can now start the engine with thetemporary key.While the engine is running, the immobilizerindicator will stay on. If the engine isn't started with in 10 minutes, you'll have to reenter theimmobilizer brake code. You'll also have to reenterthe code if the engine is shut off for more than 10 minutes.This also workes for any Honda immobilizer system. However you need to use the brake pedal. Only preludes you used the e-brake.

Good luck.

Nov 13, 2009 | 1996 Honda Civic

1 Answer

2001 honda odyssey...what does green "key" light on dash indicate?


that green key is the immobilizer system indicator. It comes on for a few seconds when you turn the key to ON. It will then go off if you have inserted a properly coded key. If the key isn't coded properly, the green key indicator will flash and the engine won't start. The indicator also blinks several times when you turn the key from ON to Acc or Lock. This is normal. (From owner's manual under "Indicator Lights")

Feb 23, 2009 | 2004 Honda Odyssey

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