P0172 Diagnostic Trouble Code Discussion for June 2012
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2002 Ford F-150 XL 4.2L low power VIN: 1FTRF17242 P0172: bank one rich. smoke tested intake, egr and lft rear inj seal leaking. It appears the b2s2 may be lazy. Ive read the many reply for this engine and agree I probably need to replace intake gasket but what is throughing me off is the rich fuel condition on bnk 1 causing the lt... |
June 15, 2012 | |
| 2004 Ford Ranger Edge 4.0L high LTFT VIN: 1FTZR45E84 P0172: Rich bank 1. ... power complaint. Codes p0172, p0175. Fuel pressure in spec at 65 PSI. Long term fuel(LTFT) read 16 on both banks at idle. Short term fuel trims(STFT) read 0 or 1 at idle. I replaced the MAF and the and the truck runs great now, however the LTFT's are still... |
June 27, 2012 | |
| 2004 Ford Ranger Edge 4.0L high LTFT VIN: 1FTZR45E84 P0172: Rich bank 1. ... power complaint. Codes p0172, p0175. Fuel pressure in spec at 65 PSI. Long term fuel(LTFT) read 16 on both banks at idle. Short term fuel trims(STFT) read 0 or 1 at idle. I replaced the MAF and the and the truck runs great now, however the LTFT's are still... |
June 28, 2012 |
