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BMW 3-Series (E90 E92) Forum
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Please help!!
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08-21-2014, 06:12 PM | #1 |
Private First Class
23
Rep 133
Posts |
Please help!!
My JBD has worked great for 8months @ 100%.
Last week i removed it for an oil change. (its a 2009 w/ 32,000mi) Dialed it back down to 60% and reinstalled it. Car throws codes and check engine lights at moderate throttle. - code is P0087 Removed JBD, cleared codes with CAN Tool, and car STILL throws same engine light at modest throttle -- even with JBD removed. What do u guys think?? |
08-21-2014, 06:51 PM | #2 |
Brigadier General
281
Rep 4,121
Posts |
4560 - P0087
Information saved in DDE Fault code 4560 - P0087 Fault text DDE: Rail-pressure plausibility delivery-controlled: Positive control deviation/rail pressure too low Fault description Monitoring for positive control deviation (rail pressure too low) while rail pressure is being regulated by fuel-quantity control valve. The error is recognized when the positive control deviation is greater than the limit defined by the operating point. The limit is calculated based on engine rpm and lies between 170 bar and 200 bar. Condition for fault identification Test condition: The test routine runs only when the following conditions are satisfied: - Rail-pressure control from fuel-quantity control valve is active. - Monitoring is enabled. Voltage condition: The test routine runs only when the following conditions are satisfied: - Rail-pressure control from fuel-quantity control valve is active. - Monitoring is enabled. Condition for fault memory entry Debounce (900 ms) Action in service Check the following potential problem sources: - Fuel presupply pressure (low-pressure delivery circuit) is too low (filter obstructed, leak in low-pressure circuit). - Rail-pressure sensor indicates incorrect value. - Leakage in high-pressure circuit. - Injector is sticking open. - Worn high-pressure pump. - Worn injector. - Internal leakage in common rail system. - External leakage in common rail system. - Air in common rail system. Investigate potential problem sources, conduct rail-pressure control system test. Fault effect and breakdown warning Output governed. Proceed to the nearest BMW Service facility. Driver information Warning light: MIL_SVS Service instruction none |
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