why does the engine light come on and goes out when the spanner light comes on and vice versa
diagnostic tool wipes code p0130 or p0136 and spanner light comes on .
spanner light goes out and then engine management light comes on.
EGR valve replaced . lambdas replaces , crank censors replaced , coil pack
replaced, air inlet sensor replaced
Sounds like you've covered most bases! How does the engine perform... does it run ok? Were both lambdas replaced? Has all the wiring to the lambdas been checked? I have heard that problems with coolant temperature sensor can cause problems – if the ECU doesn't know how hot/cold then engine is it can throw up all sorts of odd faults. What does your garage say? (Assuming you've been using a garage to do the repairs)
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