Hi, I suspect the Map sensor maybe faulty . The voltage to the computer at idle is 1.25 volts . At 3800 rpm the voltage is 2.9 volts . Can someone tell me if this reading is acceptable ? thanks David .
Should be closer to 2.5 VDC at idle. Have you tried cleaning it? Here's a "troubleshooting guide", it's sort of generic, but it's something.
Page 2 of 4: The Basics of Testing a Mass Air Flow (MAF) Sensor. THE MAF TEST. TEST INFO: A Description Of The Circuits.easyautodiagnostics.com