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Engine Opel 1,4 16V NA, 4 cyl, firing order 1342, without modifications (except exhaust, manifold, air filter) Car using stock coils, stock injectors, stock electronic throttle body Bosch. ECU SerialNr:15160 * '''Internal MAP 400kPa''' (planned conversion to turbo in future) ** appr +1.2V output in free air (103kPa ambient absolute pressure) * ETC (with bridgeoutput interface) PROBLEM: Car was tuned a half year ago, run perfect, without problems, but since one day last week, customer had a problem with start. After checking all data with PC, i found problem with internal MAP sensor. MAP still show 5-10kPa even if the hose is disconnected from intake. I also try to make little over/under pressure with mouth, but MAP value did not change. This is a screenshot of MAP value and MAP settings: http://www.vems.hu/files/LanciaSlovakia/AstraG%2016V/20180130_171044.jpg '''MAP sensor''' is very easy to diagnose, even without disassembling, just remove endplate. * Measure MAP sensor supply (between pin3=+5V and pin2=GND ) * MAP sensor output (pin1) * Check the 1k protection resistor on the MAP sensor small PCB. Measure voltage on both sides. Is the voltage same ? ** maybe some trace or soldering ? ** the signal can be traced to the BAV99 protection and the AVR pin, see GenBoard/VerThree/Schematic ** this happens extremely rarely, sorry about the inconvenience. If you can fix it (yes, you can), please use order comment in next order: "please subtract 150 EUR from list price, self-repair 400kPa MAP signal oid..."
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