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The mkiv Supra Owners Club

Supra 1jz lean problem

Guest Supralee12

By Guest Supralee12
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Guest Supralee12

Guest Supralee12

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Hi could someone help me please 🙏

I have a supra 1jz single turbo after market intake .

Was running lovely until rod knock happened I took the engine out re did the bearings.

Then I fitted 440cc injectors got the engine back in now it's running really lean

I have checked fuel line s etc so decided to put the 370cc inj back in and it's running leaner than it was😞

What could I check next. I have a safc fitted /wideband and avcr.

Cheers lee

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