Question about Toyota Sequoia

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Check engine light blinking car shaking - Sequoia Toyota Cars & Trucks

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  • Jeremy May May 24, 2011

    Thank You

    Pulled 8 Codes















  • Jeremy May May 24, 2011

    Thank You.......Vehicle is 2001 Toyota Sequioa
    Pulled 8 codes
    PO 300
    PO 301
    PO 303
    PO 305
    PO 135
    PO 161
    P1 126

  • Jeremy May May 24, 2011

    2001 Toyota Sequioa ,4WD

  • Jeremy May May 24, 2011

    Why would check engine light now be blinking? Never has before. When on stayed on

  • Jeremy May May 24, 2011

    So thats why its blinking cause Oxygen sensor is failing?

  • Jeremy May May 24, 2011

    Also I am 60 miles from my hometown, should I have it towed?



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Welcome to Fixya

Drive the car for three miles and see if it is still shaking. If yes, that would mean the car is not firing on all cylinders. Possible causes would be a timing belt has jumped a tooth, in which case if you drive it you could bend valves. IT could be electrical. A bad coil a bad wire.It could be a fuel problem, low pressure from pump plugged filter. It could be a bad idle circuit, A hole in a boot.

The light only gives you an idea what is going on. If you have scan tool (obd2 reader), scan the engine yourself and read the codes. This codes will tell use what is the real problem of the car.

Provide me the codes that you will be getting and i will help you resolved the issue.

Thank you for using Fixya!

Posted on May 24, 2011

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  • Jose Cada
    Jose Cada May 24, 2011

    would it be possible if you can provide me the year/model of your car? thanks

  • Jose Cada
    Jose Cada May 24, 2011

    Thank you for the swift response. Here are the meaning ot the error code:

    P0300 Random/Multiple Cylinder Misfire Detected

    code P0300 may mean that one or more of the following has happened:


    • Faulty spark plugs or wires

    • Faulty coil (pack)

    • Faulty oxygen sensor(s)

    • Faulty fuel injector(s)

    • Burned exhaust valve

    • Faulty catalytic converter(s)

    • Stuck/blocked EGR valve / passages

    • Faulty camshaft position sensor

    • Defective computer

    Possible Solutions

    If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

    If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

    Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.

    P0301 Cylinder 1 Misfire Detected

    P0303 Cylinder 3 Misfire Detected
    P0305 Cylinder 5 Misfire Detected

    A code P0135 may mean that one or more of the following has happened:

    • O2 Heater element resistance is high

    • Internal short or open in the heater element

    • O2 heater circuit wiring high resistance

    • open or short to ground in the wiring harness

    Possible Solutions

    • Repair short or open or high resistance in wiring harness or harness connectors

    • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)

    A code P0161 may mean that one or more of the following has happened:

    • HO2S heater power circuit open
    • HO2S heater ground circuit open
    • HO2S signal tracking (due to oil or moisture in the connector)
    • HO2S is damaged or has failed PCM has failed

    Possible Solutions

    • Replace HO2 Sensor
    • Repair open or short in power circuit
    • Repair open or short in ground circuit
    • Repair damaged connector due to tracking

    P1126 - Magnetic Clutch Circuit Malfunction

    Cleaning the throttle body often fixes this problem otherwise you will likely need to replace the throttle control motor. At the throttle control motor monitor the clutch operation. Check to see if the computer is supplying the clutch circuit with a 12 volt square wave pulse signal. With the key in the on position, check to see if the throttle motor makes a buzzing noise as the throttle is opened and closed. With the key off, push the throttle plate open with your finger and allow it to close. The throttle plate should open and close smoothly.

  • Jose Cada
    Jose Cada May 24, 2011

    Its the oxygen sensor that is failing.. i suggest to have this codes be fixed immediately. Force driving the car will lead to more complicated issues.

  • Jose Cada
    Jose Cada May 24, 2011

    if there is a local mechanic in the area then have it fixed there. If none, then have it towed.



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SOURCE: check engine


Posted on Jul 21, 2008

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SOURCE: check engine light on, car shakes while in reverse, stalls ...

You need a code scanner hooked up to find out what is causing the light ot come on. Some auto part stores can do that. Once the code is retrieved, they can tell you what sensor is causing it.

Posted on Jan 30, 2009

  • 1 Answer

SOURCE: Car Shakes When Driving

I had the shaking problem too, had the #5 coil replaced and the shaking instantly stopped.

Posted on Apr 22, 2009

  • 2007 Answers

SOURCE: 1998 toyota corolla shakes before 2 rpm, check engine lights up

Not sure what is causing it, but it sounds like you're running on 3 cyllinders. Check plugs, wires, timing . timing belt may have jumped, bad injector, low fuel pressure.

Posted on May 13, 2009

  • 1 Answer

SOURCE: Engine shakes when Idling/ Check Engine Light started blinking

i just fixed a similar problem on my van there is a rubber elbow on the end of the pvc hose that connects to the valve cover you can only buy the elbow with the hose and it costs about 100 bucks but i guess they have had to replace a lot of these because the new one looks twice has strong you just have to check and see if its collapsed in on itself preventing air movement or leaking the shop will charge you 175 dollars to fix it plus the part but it only takes 20 minutes good luck

Posted on Jun 20, 2009

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