Raulg Posted November 13, 2019 Report Share Posted November 13, 2019 I have a 1997 V8 Turbo. The turbo boost gauge reads 0. I noticed that the gauge needle falls to the left when the engine is off and comes up to the "0" line when the engine operates. I thought the pressure sending unit (cylindrical part near the ECU) was the issue. I replaced it and there is no change. I wonder if the wastegate solenoid valve would be the cause? From what I read here, if the solenoid fails, the turbo gets full boost. Therefore the gauge should read some level of pressure? Where else should I look to troubleshoot? Thank you for your help Raulg Quote Link to comment Share on other sites More sharing options...
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