Zantus Design
New Member
I have a '96 South African spec hilux fitted with a 1UZ-FE.
A year ago it developed a slight missfire and since the problem it slowly grew to the point where it's now running very rough and the power at the wheels is only 30% of what it was before the problem started.
The engine management is done by a South African system, which was my first suspect. Recently I fitted my system to another hilux with the same set-up and it developed the power mine had before, so that elimanted the engine management system.
From what I read on this, I suspected the coils, so I replaced the plugs and the coils, but it made absolutely no difference.
I also had the engine checked for any major mechanical failures or blown gaskets, but no problems could be found. The plugs were checked one by one and they all fire. On removal, the plugs all looked the same, which should indicate that all the cylinders are getting fuel and combusting.
What else could cause the 70% loss of power???
Thanks
A year ago it developed a slight missfire and since the problem it slowly grew to the point where it's now running very rough and the power at the wheels is only 30% of what it was before the problem started.
The engine management is done by a South African system, which was my first suspect. Recently I fitted my system to another hilux with the same set-up and it developed the power mine had before, so that elimanted the engine management system.
From what I read on this, I suspected the coils, so I replaced the plugs and the coils, but it made absolutely no difference.
I also had the engine checked for any major mechanical failures or blown gaskets, but no problems could be found. The plugs were checked one by one and they all fire. On removal, the plugs all looked the same, which should indicate that all the cylinders are getting fuel and combusting.
What else could cause the 70% loss of power???
Thanks