P0174 Diagnostic Trouble Code Discussion for March 2025
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 1997 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTDR15X8V P0174: lean bank 2. ... unstable idle 1250-1600 RPM.Scan p017 and p0174 lean codes present. Smoke test found Iac leaking, replaced Iac idle was slightly better but not much. Re-smoked found EGR valve leaking, Replaced Egr valve, idle better but st... |
March 12, 2025 |
