Before replaceing the Fuel Pressure Sensor, check the Fuel Pressure Sensor loom for: 1. Contact resistance, oxidation or poor contact in connectors or connections. 2. Short-circuit to supply voltage in the signal cable 3. Open-circuit in the signal cable 4. Open-circuit in the signal ground cable Ha...

Other question is about the upper electronic module. Is the upper electronic module the flat circuit board that the dome lights attach to, or is it stored within the rear view mirror? The UEM is the latter, in a somewhat unholy union of auto-dimming rear view mirror glass (glued on top of the PCB, ...

Make sure the m8 14mm hex wheel hub bolt is torqued to specs. If it is loose it will trigger ABS The dip on rundown is classic symptom of a vacuum leak, so check all those hoses with a VAT; visual audible tactile inspection...or smoke test it. The turbo 2001buses the sexy Itslian throttle body which...

I safely pull into a gas station, shut the car off, unplugged the 3 connections on the fuse box Not odd, it is a common problem. That is not a Fuse box. It is the CEM (Central Electronic Module) with fuses. The Volvo CEMs are infamous for the CEM connections going wanky. Clean the connectors with M...

It is very easy. Every UEM has a original access pincode. When dealer try to download original data from server to your used UEM, they cannot do it successfully, because pincode from server does not compatible to pincode from your used UEM. There are some ways to fix this "issue": 1. You c...