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Toyota rav 4 2l d4d 2002 model

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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by Mcanulty1 » Fri Jun 05, 2015 11:02 pm

They were new ones he had for a car and didn't use them , am wondering would the problem be a electrical one now That i. have nearly covered all the fuel points !! Jeep goes on slightest off a push and drives well wen going
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by anchorman » Fri Jun 05, 2015 11:50 pm

Mcanulty1 wrote:They were new ones he had for a car and didn't use them , am wondering would the problem be a electrical one now That i. have nearly covered all the fuel points !! Jeep goes on slightest off a push and drives well wen going

It turns over fast enough? These things can suffer with battery problems.
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by Serratia » Sat Jun 06, 2015 7:18 pm

What anchorman has just said about the fuel pump being timed correctly rings true for me. I'm having my own battles with low down hesitation and my mechanic now thinks the timing could be a tooth out causing the injectors to be firing too early or too late, resulting in the bit of lag I get when pulling off. That's my next port of call.
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by anchorman » Sat Jun 06, 2015 7:34 pm

That can't quite happen. The injectors don't get an individual squirt of diesel from the high pressure pump, they get a share of fuel stored in a common reservoir called the fuel rail. However, the pressure in the fuel rail pulses as a result of the pumping elements (pistons for want of a better description) as they follow a cam in the HP pump. The timing of the pump is synchronised so the pulses of pressure mTch the injector demand. It is therefor possibly for the pump and the injectors to be out of phase with each other.
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by Serratia » Sat Jun 06, 2015 8:23 pm

Do you still think that could account for my lag/hesitation when pulling off?
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by anchorman » Sat Jun 06, 2015 8:59 pm

Serratia wrote:Do you still think that could account for my lag/hesitation when pulling off?

Well let's just say that it cured that other one but these things are flippin awkward to sort sometimes.

My mate has one of these 4.2 diesels and I've looked after it from new. The big difference is that I know what's happened to it because I'm the only one that's done anything. It has had a new EGR valve because he ignored the warnings about supermarket fuel. That is now stored as a serviceable spare because after cleaning it out, a tin of BG244 and a switch to branded fuel it cured itself anyway. We only fitted the new Denso valve because we had it.

I'm reluctant to be conclusive with yours because we don't know if somebody "fiddled" with it in an earlier life. There is a PDFs somewhere with the timing marks on so you can check when you get chance but make no mistake, you need to give yourself plenty of time just to get the covers off. You are a good way towards changing those injectors so fingers crossed, it cures it completely. :s_thumbsup
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by Serratia » Sat Jun 06, 2015 9:39 pm

Already changed them mate, check my thread :s_biggrin
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by anchorman » Sun Jun 07, 2015 1:02 am

Serratia wrote:Already changed them mate, check my thread :s_biggrin

I didn't know you finished. Did it work?
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by Mcanulty1 » Thu Jul 02, 2015 11:20 pm

Hi lads just wondering is the injectors in the Rav4 2 pin or 4 pin thank s Kieran !!!
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Re: Toyota rav 4 2l d4d 2002 model

PostPosted by anchorman » Fri Jul 03, 2015 3:51 am

Somebody posted some photos.
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