Lexus Is220Se Fault Codes P0093 And P0088

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Hi, I am new to forum. I bought lexus is220SE 06reg half a year ago and already had a lot of problems.. Car done 112000miles. Has part lexus history.

Here is another major problem. Car keeps jumping into limp mode intermittently, some times with P0093(large fuel leak detected) fault code, but sometimes with P0088(too high pressure in common rail).

Two diesel specialist garages could not find anything.

Had fuel pressure sensor and fuel discharge valve changed on common rail.

Intelligent tester II shows that everything is in normal order.

Please help

Is there any connections between P0093 and P0088 fault codes?

Could it be suction control valve(on high pressure fuel pump)?

Any ideas welcome..


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I would think the two are related rather than there being two separate issues. Have you made any progress? It is possible that you have an injector fault.

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