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Thread: Toyota 2E poor acceleration/power, need help

  1. #1
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    Default Toyota 2E poor acceleration/power, need help

    My car which was running like Ferrari six months back, now has lost its acceleration. I don't know why! Everything seems fine except I find engine oil in air cleaner box through crankcase hose (Before six months there was no oil in air cleaner box).

    Some information might help to resolve the issue:

    1. I find Engine oil in AirCleaner box from crankcase hose. (AirCleaner box was always clean before six months)
    2. Engine oil is not overfilled.
    3. I've already replaced PCV valve, clutch discs & pressure plates, spark plugs, air filter, fuel filter but no luck.
    4. Car still starts fine in both winter & summer seasons.
    5. No black, blue or white smoke from exhaust.
    6. Valve clearance is set on 0.20mm at intake & exhaust.
    7. Distributor is set on fully retarded position. (I myself tried to advance it little bit, which helped somehow but after using on petrol, it caused some kind of detonation when I switch it off, engine doesn't stop, something hits the engine block with any tack hammer!! thats why I reverted back distributor's position)
    8. No pinging, No hesitation, No rough idle.
    9. I removed breather hose from AirCleaner box and took car for run but performance didn't improve.

    Car looks and run fine but it has no acceleration as it had before, simply it has lost its charm which I want to bring back...

    (Fun Part: I used to beat 3C's with this engine on highway but now I use to keep looking at Kha Chara cars like Mehran leaving me behind easily . Isn't this insulting, cars like mehran (Saabun Dani's) beats corolla )

    Thanks in advance.

    Regards

    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    is it a 2E engine .. in corolla following is suggested
    -
    1. a compression test is necessary to ascertain engine health
    2. engine cooling system [ thermostat valve, coolant in system, cooling fans working on auto ]
    3. distributor overhaul
    4. tappet adjustment 0.20 at LOB UP position

    - dial 0300 923 2821 Jamil Autos society office Karachi. between 10 am to 7.00 pm week days. diagnostic charges apply
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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    how will the car accelerate if timing is set at full retard position ?bring the timing to the correct position
    if the car keep running when switched off, re adjust the carby from some professional
    Life is short and very unpredictable just like a Quarter mile .....

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    Quote Originally Posted by capsat View Post
    is it a 2E engine .. in corolla following is suggested
    -
    1. a compression test is necessary to ascertain engine health
    2. engine cooling system [ thermostat valve, coolant in system, cooling fans working on auto ]
    3. distributor overhaul
    4. tappet adjustment 0.20 at LOB UP position

    - dial 0300 923 2821 Jamil Autos society office Karachi. between 10 am to 7.00 pm week days. diagnostic charges apply
    Thank you very much for your kind suggestions @capsat
    Yes, its 2E sir .. I know its econo engine but it was indeed outstanding engine..
    One thing I missed, yes its thermostat needle isn't working!

    Could you please elaborate "Distributor Overhaul", can I do it at home ? & what should be compression reading for healthy 2E?

    Thanks

    Regards,
    Kashif
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    Quote Originally Posted by hash4u View Post
    how will the car accelerate if timing is set at full retard position ?bring the timing to the correct position
    if the car keep running when switched off, re adjust the carby from some professional
    @hash4u Thank you very much for your reply sir.

    Exactly, retarded timing can't give me required performance but as mentioned before, I did advance it a little bit which improved acceleration, on CNG it was fine but on petrol "Dieseling" occurs and engine try to run on for a short period after being turned off! I read somewhere that it causes severe damage to engine thats why reverted back to its retarded position

    Full service of carby is done already which resulted improved performance somehow but didn't get desired results !

    I've noted your expert suggestion and soon will get carby checked by another professional.

    Thank you

    Regards
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    Did you check if your anti-dieseling solenoid working? you can screw it off from the carb and check if it is working.

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    Quote Originally Posted by bunkly View Post
    Did you check if your anti-dieseling solenoid working? you can screw it off from the carb and check if it is working.
    Thanks for your help, I didn't know about this! Could you please tell me how can I know that its working or not ?
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    when car is USED on CNG fuel, the function of carb jets seize to function, the only adjustment possible idle speed through the single screw.

    Other only 'ITEM' working to manage acceleration on CNG fuel is butterfly.

    I strongly recommend distributor overhaul, correct routing of tubes for vacuum pods & tubes adjustment of pod bolts controlling throttle levers.

    it is DIY if you have access to silicone lubricant, which you will need after cleaning out the distributor with de-greaser. @imkashifpk


    Quote Originally Posted by hash4u View Post
    how will the car accelerate if timing is set at full retard position ?bring the timing to the correct position
    if the car keep running when switched off, re adjust the carby from some professional
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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    @capsat @hash4u Since joining PW, I've been looking/reading your valuable posts in which you take precious time to help ppl like us and I'm very glad that you both (experts) are here and helping me resolving my first ever issue posted on PW

    Thank you
    JazakAllah
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    am no expert at ALL.

    am just a learner, i read i observe and i spare no chance to get my hands dirty in a DIY

    to name few Masters @SER_GTR @Xulfiqar @Naweed @syncview @argtr65 @rustam54 @spectra .. these guys are ' GURUs ' am just a chohta with tools trolley and cleaning stuff for finished job @imkashifpk

    on TOP it is @HanifBhatti saheb who have successfully managed to bond us together
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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    Quote Originally Posted by imkashifpk View Post
    @hash4u Thank you very much for your reply sir.

    Exactly, retarded timing can't give me required performance but as mentioned before, I did advance it a little bit which improved acceleration, on CNG it was fine but on petrol "Dieseling" occurs and engine try to run on for a short period after being turned off! I read somewhere that it causes severe damage to engine thats why reverted back to its retarded position

    Full service of carby is done already which resulted improved performance somehow but didn't get desired results !

    I've noted your expert suggestion and soon will get carby checked by another professional.

    Thank you

    Regards
    Seems like your timing belt has been moved a teeth or two for cng. That is why distributor settings are out. If you retime it correctly, it might not run properly on cng. Also, does your car knock on sudden acceleration on petrol?

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    @capsat It is nice of you What I know, I've learnt from you guys and specially @SER_GTR (He is nice & kind person).
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    Quote Originally Posted by Mun33b View Post
    Seems like your timing belt has been moved a teeth or two for cng. That is why distributor settings are out. If you retime it correctly, it might not run properly on cng. Also, does your car knock on sudden acceleration on petrol?
    Thanks for your help. Yes bcz I've gone through several mechanics, they actually didn't bring any good improvement but rather they did their experiments in which distributor is included.

    b. On CNG no any knocking/pinging. On petrol, it does a little bit pinging (soft tinkling) only when I put hard pedal otherwise No.
    Knowledge speaks, but wisdom listens ― Jimi Hendrix

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    Sounds,excessive carbon has built up in combustion chamber due to improper burning of fuel mixture.
    Never loose hope in life,every step gives u something.

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    Quote Originally Posted by imkashifpk View Post
    Thanks for your help, I didn't know about this! Could you please tell me how can I know that its working or not ?
    I believe your problems are more related to timing, however anti-dieseling solenoid is normally located at the back of the carb. Picture below. just unscrew it and turn ignition on and off to check if it is working.

    Actually i had dieseling issue with my 2E and this solenoid was the culprit. However i wasn't facing any retarded performance.

    Toyota 2E poor acceleration/power, need help - 13533766040131570017145

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