P0304 on the 1997 Ford Escort
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 020901 | 2002-12-03. Service bulletin. ROUGH IDLE, LOW POWER AND / OR STALL AT IDLE, A MALFUNCTION INDICATOR LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODES P0300 THROUGH P0304 STORED IN MEMORY. *TT |
|---|---|
| 0291 | 2002-11-05. Service bulletin. SOME VEHICLES EQUIPPED WITH THE 2.0L SPI ENGINE MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED AND DIAGNOSTIC TROUBLE CODES (DTC) P0300 THROUGH P0304 STORED. *TT |
| 9811473 | 2000-07-10. Service bulletin. SOME VEHICLES MAY EXHIBIT A CUSTOME CONCERN OF STEADY OR INTERMITTENT MISS WITH DIAGNOSTIC TROUBLE CODES P0300 AND P0304. *TT |
| 982534 | 1999-02-24. Service bulletin. SOME VEHICLES MAY EXHIBIT A CUSTOMER CONCERN OF STEADY OR INTERMITTENT MISS WITH DTCS P0300 AND P0304. THIS MAY BE CAUSED BY A SPREAD ELECTRICAL TERMINAL IN CONNECTORS AT INJECTOR. REPAIR TERMINAL/CONNECTOR CONCERN BY USING A SMALL SCREWDRIVER TO CLOSE THE INJECTOR TERMINAL GAP OR REPLACE THE 9D930 WIRING HARNESS ASSEMBLY. *AK |
| 980316 | 1999-02-23. Service bulletin. CONDITION REGARDING THE ENGINE MISFIRE CODE ( DTC P0304 ). *YC |
| 96265 | 1997-06-17. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) - DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, AND/OR P0308 STORED IN MEMORY. *TW |
| 962510 | 1997-06-17. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) - DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 AND/OR P0308 STORED IN MEMORY. *TW |
7 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.