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1994 Ford Explorer Eddie Bauer 4.0L MIL Lamp on, ping\detonation
Help,fellow drive techs! I have inherited a '94 4.0l 'exploder' from the 'gravy' bay. This beast pings on accel,60-80% throttle, even though s.t. fuel trim no.s appear reasonable i.e. +7/-10% during event.I have driven the vehicle while monitoring egr vac....
FIX posted 9/28/1998
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Related Documents & Media 
| VIN | 1FMDU34XSR |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / pfi |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp on, Ping\detonation |
| Occurs | Hot, Under Load, on Accel |
Trouble Codes
| 186 | maf low or pulse width high |
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Vehicle Data
1994 Ford Explorer Eddie Bauer
| VIN | 1FMDU34XSR |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / pfi |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp on, Ping\detonation |
| Occurs | Hot, Under Load, on Accel |
Trouble Codes
| 186 | maf low or pulse width high |
Video