Toymods Car Club Inc: Tech & Conversions => 1jz ma61 overheating

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humble
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I supported Toymods

Location:
Brisbane, QLD
Registered:
May 2002

Re: 1jz ma61 overheating	Fri, 06 December 2002 00:19

Dude!!! Your engine is overheating!!! Is that going to damage the engine??? Why do you think you have a cooling system to make sure your engine doesn't overheat????? To be quite frank, without shooting in the the dark, I would rather drive the car to Toyota (or someone who's got a Toyota diagnostic scanner), read the ECU error codes and start looking into fixing them (and properly re-wiring). Having looked at the 1000 page 2JZ-GTE diagnostics manual, I have a rough idea of what can put the ECU in limp-home mode and there is a fair f_cking bit that can do it... My guess is that the 1JZ-GTE is not all that different when it comes to the degree of complexity. The other solution is as SUPRAGTE mentioned, to go completely aftermarket. But unlike SUPRAGTE, if you are not aware of the functionality of your motor very well, then you are going to have to pay a competent (competent here being the keyword) mechanic shop to tune it for you which is again $$$. Anyways, having said what is said, it's your car and you should do what you can/want to do I know for a fact that there is enough 7M-GTE MA61s out there which are much faster than your 1JZ-GTE MA61 because it's running in limp-home mode. So not getting this problem solved will affect your investment in two ways. Firstly, it's not worth the full investment because the you are not getting the value for your money (i.e. you could have gotten more power from a 7M-GTE conversion, minus the bragging rights for a JZ motor perhaps) and secondly, with your ECU issue AND lack of boost control, your little joyrides could drive the motor to the grave rather soon And also have a think of how this car came upon your hands. Sounds like a dream project for an MA61 enthusiast and to let it go in such a hurry would mean that there is a good reason behind it. Get your ECU issues solved ASAP mate and not only will it be the fastest thing you have ever driven, it would reward you for years to come. just my 2 cents... Cheers [Report message to a moderator]

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