Toyota D4D engine woes

**astro** · March 13th, 2006 03:29 PM

Originally Posted by larshell

astro,
The same thing happen to me you have to rev it up.
Did you watch them while replacing your supply pump?
Maingat naman sila? Asar lang kasi Brand new tapos sira agad.

di ko nakita i-replace kasi pinaiwan nila for 3 days yung unit. maingat naman siguro sila, malinis yung pagkagawa eh

**larshell** · March 13th, 2006 06:01 PM

astro,
Thanks sa reply

**larshell** · March 16th, 2006 02:06 PM

Fortuner13,
Pls. Share naman your Bad experience with Toyota D4d. Thanks

**fortuner13** · March 16th, 2006 07:28 PM

Originally Posted by larshell

Fortuner13,
Pls. Share naman your Bad experience with Toyota D4d. Thanks

so far, experience hard starting mga 5 times pa lang, mamatay engine pag d inapakan accelerator , dinala ko na sa toyota today kasabay ng 5000 kms check up, ang masama pag dating dun one click andar agad

so sabi ng SA test nila ulit pag cold na yun engine, so iniwanan ko na ... sabi ng SA pag observation nila eh kailangan daw may papalitan na spare parts , oorder daw nila sa planta

**beebs** · March 16th, 2006 11:29 PM

Originally Posted by fortuner13

so far, experience hard starting mga 5 times pa lang, mamatay engine pag d inapakan accelerator , dinala ko na sa toyota today kasabay ng 5000 kms check up, ang masama pag dating dun one click andar agad

so sabi ng SA test nila ulit pag cold na yun engine, so iniwanan ko na ... sabi ng SA pag observation nila eh kailangan daw may papalitan na spare parts , oorder daw nila sa planta

nakakainis naman nabiktima ka ng dreaded denso fuel supply pump. don't worry, papalitan naman ng toyota yung parts.

sana nag gas engine ka na lang para wala kang problema. my odo of my 2.7 vvti in 4 mos is 7k kms, still no problem. thanks again tsikoteers for making me switch to vvti.

**jaeger** · March 17th, 2006 10:42 AM

Originally Posted by fortuner13

so far, experience hard starting mga 5 times pa lang, mamatay engine pag d inapakan accelerator , dinala ko na sa toyota today kasabay ng 5000 kms check up, ang masama pag dating dun one click andar agad

so sabi ng SA test nila ulit pag cold na yun engine, so iniwanan ko na ... sabi ng SA pag observation nila eh kailangan daw may papalitan na spare parts , oorder daw nila sa planta

Bakit ganyan D4D, parang kay bongliza - pag sa bahay e hard starting, tapos pag dinala mo na sa Toyota - wow biglang matino andar nya. hmmm. Tuloy hindi makapag-warranty claim ng maayos.

**cardo** · March 17th, 2006 11:39 AM

maybe because by the time you get to the casa, the injectors and pumps are all "warmed" up or used kaya, pag stop and start gumagana. siguro it needs time to settle down for the problem to reoccur. baka lang

**larshell** · March 17th, 2006 11:57 AM

Fortuner13,
Thanks for sharing your experience wd D4d. I hope that Toyota will fix your problem.

**altec** · March 17th, 2006 12:01 PM

Originally Posted by jaeger

Bakit ganyan D4D, parang kay bongliza - pag sa bahay e hard starting, tapos pag dinala mo na sa Toyota - wow biglang matino andar nya. hmmm. Tuloy hindi makapag-warranty claim ng maayos.

Based on my own choking problem experience, it chokes and can't hold idling level when you let go of the gas pedal, you really have to rev it for a while to allow the fuel to really circulate, and once it circulates, it holds the idling level. But if you shut off the engine and let it stand for over an hour, the choking problem has high probability to occur, even if the engine is still warm. That means the fuel has settled from that choke area, leaving it void of fuel and dry.

Given the theory that the spring has lost its resilience due to lack of lubricity, in effect parang may kalawang, you really have to force fuel back into the system (parang wd-40) and revving it up to allow the fuel into each nook and cranny (parang wd-40 din), before it reachieves its resilience and works like its supposed to and thus able to maintain idling levels. IMO lang ito ha. And that's where biodiesel helped in my case. It acts like wd-40, adding extra lubricity, and thus the spring is protected with extra coating, and thus doesn't dry out and loses its resiliency.

**larshell** · March 18th, 2006 08:48 AM

altec,
Ano ba ang function ng spring na ito? Bakit kelangan pa i-lubricate? Why is that our unit brandnew and it already have rust? What if you dont use your D4d for a long period of time kakalawangin din ba sya? Spring is located inside the fuel pump right? Why rust accumulate inside the supply pump? If this is the true problem why is that they replace the whole supply pump? Why not replace the spring?