Re: Renault Clio 1.2 8v 1996 runs too lean. Archived Message
Posted by Peter Holland on November 21, 2007, 11:24 am, in reply to "Re: Renault Clio 1.2 8v 1996 runs too lean."
Fuel pressure runs at around 3.4 bar with vacuum and drops to 3 without. Fuel pressure does not drop below 3 when rev'd. Clamping the fuel return off increases pressure to around 6 bar and makes the pump howl. I've also run it up with the lambda sensor removed to rule out excessive back pressure in the exhaust. I'm running out of things to check! Can't find a second hand ECU and a new one is £390 + VAT. I have a feeling that the customer is getting cold feet over this one. I'm waiting for conformation that they want me to continue with it now.
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