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Recurring Fault Codes-

ontow · 2008-11-19T21:24:41+0000

Can anyone help, i have an Xreg gen 7 140 with 55,000 miles that will bring up code 0171 system too lean. Have fitted new front lambda & a used/tested rear one, both are switching fine on code reader. Checked manifold/intake/exhaust etc There are no leaks & vehicle drives ok...and passed m.o.t. emission test. Engine warning lamp comes on after 2/3 days, when driving in slow traffic.

By ontow,
November 19, 2008 in Celica Club

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