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How to fix.my throtleboard

My Toyota vista ardeo recently had problem with the d4 pump it was mixing oil and petrol and at the same time the oil was coming out through throtke board. i fixed the d4 pump but now no power it cannot rerve if u press the accelerator but its idling properly. please if the throtle board can be sorted for it to rerv and function properly.

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  • Toyota Master
  • 20,706 Answers

What year.?
what are all the symptoms.?
what country?

does this car, (no year) have a scanner port so you can scan it and
see if the injector brain is showing DTC errors.
no year car, so how can we help you, ?

different years have different injection systems.

Posted on Dec 06, 2014

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Posted on Jan 02, 2017

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What causes oil and petrol to mix in toyota nadia D4. How can i prevent the pump from failing. Fuel consuption too high


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How to fix.my throtleboard


It seems you haven't been taking enough care on your car up to the point the whole cylinder head is worn out leaking oil from the inlet means both the valve stamp seals,valveguides ,oil scrapper rings valves and timing belt worn out. The timing jumped making the piston hit the valves damaging the guides and seals, oil started to come into cylinder and during comp%ssion it is pushed through the valves to the inlet until it damanges the throttle body.the D4 pump is also faulty, low pressure if the car can't rev. Better do cylinder head service and buy another D4 pump before condemning the throttlebody
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I am hearing a noise in the engine of my 1999 toyota vista ardeo,what could possibly be the cause? Does the d4 engines carries valve lifters?


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