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P0174 Diagnostic Trouble Code Discussion for April 2008

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTY16473
P0174: System too Lean Bank 2. Hello techs - I hope someone here and help shed some light on this mystery, besides the obvious possiblities. Both O2 sensors were replaced about a year ago, and the right side went bad 3 to 4 days after we replaced the intake manifold, valve cover gaskets and...
April 03, 2008
1999 Ford E-250 Econoline 5.4L Surge, Stall, MIL Lamp on VIN: 1FTNE24XXH
P0174: bank 2 too lean. This van came in with a stalling and surging idle up and down. The mil is on for bank 1 and bank 2 too lean. Upstream and downstream oxygen sensors are switching from rich to lean on a scanner. checked for vacuum leak but none were found. Long term fuel trim b...
April 04, 2008
2005 Ford F-250 Super Duty XL 5.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1FSW215X5E
P0174: lean exh bank 2. acts like fuel problem but pressure & volume test great in garage or on test drive wot sag surge or stumble feels like fuel starvation but is not have checked for vac leaks none found have cked o2s all good have cked fuel qaulity no problem found if anybod...
April 04, 2008
2005 Lincoln Town Car Executive L 4.6L Poor Idle Quality, Stall VIN: 1LNHM84W65
P0174: Lean Condition Bank 2. ... engine light on. Scanned computer system found Code P0171 & P0174 - Lean condtion Bank 1 & Bank 2. Checked for vaccum leaks - none found, replaced mass air flow sensor - no luck, replaced fuel pump - no luck. PCV & Fuel Pressure Regulator are e...
April 04, 2008
2000 Cadillac Eldorado ESC 4.6L MIL Lamp on VIN: 1G6EL12YXY
P0174: Fuel Trim System Lean (Bank 2). ... SERVICE. CK. ENG. LIGHT ON.(not sure if light was on before tune up) dtc p0171&p0174. fuel pressure 36 psi koeo. changed fuel pump. Pressure from new pump the same. changed fuel pump again.(delphi).Pressure @40 psi. Checked for vacuum/intake leake,fo...
April 08, 2008
2006 Chevrolet Malibu Maxx LT 3.5L MIL Lamp on VIN: 1G1ZT63846
P0174: Fuel System Lean (Bank 2). Thank you in advance for any help you can provide. we had check fuel pressure which was good, air flow sensor, check every air hose, evap system, check for leaks on intake gasket, everything seems fine, Not quiet sure what else to check. Thank you.
April 08, 2008
2001 BMW 325Ci 2.5L MIL Lamp on VIN: WBABS33461
P0174: both banks lean. hi group have this 01 325ci ck engine on with 17 codes stored after reset cold in a.m. random miss/lean/during start up after a few minutes car is perfect reset no codes.i suspent vac leak ,hook up smoke machine no leaks detected i am going to try it again nex...
April 09, 2008
2003 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRF17283
P0174: sys lean bank 2. new customer,starts o.k cold once hot stalls at idle idle loaps and spark knocks.replaced upper and center intake seals and bolts with only one change,set dtcs po171 po174.rechecked seals o.k.also checked balancer for damage or broken.please iatn fix my ride.....
April 14, 2008
2003 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRF17283
P0174: sys lean bank 2. new customer,starts o.k cold once hot stalls at idle idle loaps and spark knocks.replaced upper and center intake seals and bolts with only one change,set dtcs po171 po174.rechecked seals o.k.also checked balancer for damage or broken.please iatn fix my ride.....
April 15, 2008
2001 Jaguar XKR 4.0L MIL Lamp on VIN: SAUDA42B21
P0174: bank 2 lean. This only comes on when getting on the highway.Check engine light comes on and power limited comes up in masage center.O2 senser reading good.Thanks Charles
April 15, 2008
2001 Cadillac Catera 3.0L Misfire, MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). ... was on and customer requested a diagnosis. there was two codes present. p0171 and p0174 fuel pressure checked and is within spects. while checking data fuel trims are above 20 off idle at idle they are +-5. there is a tsb to adress this codes manufacturer ...
April 19, 2008
2002 Mitsubishi Eclipse GT 3.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: NOVISIBLEV
P0174: Fuel System Lean (Bank 2). ... one drives me nuts for 2 days. I have this spidey in the shop originally came in with mil on had lean codes for both banks, fuel trims were over 20% at idle found lower intake manifold g-t leaking that brought short term trim to normal at idle but while dr...
April 20, 2008
2005 Ford F-150 XL 5.4L Misfire VIN: 1FTPW14594
P0174: system lean. has a misfire. customer says that 4 plugs on right side have allready been changed and 1 one the left side changed. showed me the old plug, the center electrode is completely gone, these are original motorcraft pf2 platinum plugs, looks like pre-ignition, comp...
April 22, 2008
1997 Ford F-150 4.6L MIL Lamp on, Lean
P0174: Sys Bank 2 Lean. Other master tech in shop has been fighting codes for 5 weeks, now I'm taking a look at it for him what I've seen for the last 3 day's is that the fuel trim (long) is at B1 24-26% B2 is at 14-17% at idle baro is at 133-138mhz spec in denver is 144mhz baro is r...
April 30, 2008
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTY16473
P0174: System too Lean Bank 2. Hello techs - I hope someone here and help shed some light on this mystery, besides the obvious possiblities. Both O2 sensors were replaced about a year ago, and the right side went bad 3 to 4 days after we replaced the intake manifold, valve cover gaskets and...
April 03, 2008
1999 Ford E-250 Econoline 5.4L Surge, Stall, MIL Lamp on VIN: 1FTNE24XXH
P0174: bank 2 too lean. This van came in with a stalling and surging idle up and down. The mil is on for bank 1 and bank 2 too lean. Upstream and downstream oxygen sensors are switching from rich to lean on a scanner. checked for vacuum leak but none were found. Long term fuel trim b...
April 04, 2008
2005 Ford F-250 Super Duty XL 5.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1FSW215X5E
P0174: lean exh bank 2. acts like fuel problem but pressure & volume test great in garage or on test drive wot sag surge or stumble feels like fuel starvation but is not have checked for vac leaks none found have cked o2s all good have cked fuel qaulity no problem found if anybod...
April 04, 2008
2005 Lincoln Town Car Executive L 4.6L Poor Idle Quality, Stall VIN: 1LNHM84W65
P0174: Lean Condition Bank 2. ... engine light on. Scanned computer system found Code P0171 & P0174 - Lean condtion Bank 1 & Bank 2. Checked for vaccum leaks - none found, replaced mass air flow sensor - no luck, replaced fuel pump - no luck. PCV & Fuel Pressure Regulator are e...
April 04, 2008
2000 Cadillac Eldorado ESC 4.6L MIL Lamp on VIN: 1G6EL12YXY
P0174: Fuel Trim System Lean (Bank 2). ... SERVICE. CK. ENG. LIGHT ON.(not sure if light was on before tune up) dtc p0171&p0174. fuel pressure 36 psi koeo. changed fuel pump. Pressure from new pump the same. changed fuel pump again.(delphi).Pressure @40 psi. Checked for vacuum/intake leake,fo...
April 08, 2008
2006 Chevrolet Malibu Maxx LT 3.5L MIL Lamp on VIN: 1G1ZT63846
P0174: Fuel System Lean (Bank 2). Thank you in advance for any help you can provide. we had check fuel pressure which was good, air flow sensor, check every air hose, evap system, check for leaks on intake gasket, everything seems fine, Not quiet sure what else to check. Thank you.
April 08, 2008
2001 BMW 325Ci 2.5L MIL Lamp on VIN: WBABS33461
P0174: both banks lean. hi group have this 01 325ci ck engine on with 17 codes stored after reset cold in a.m. random miss/lean/during start up after a few minutes car is perfect reset no codes.i suspent vac leak ,hook up smoke machine no leaks detected i am going to try it again nex...
April 09, 2008
2003 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRF17283
P0174: sys lean bank 2. new customer,starts o.k cold once hot stalls at idle idle loaps and spark knocks.replaced upper and center intake seals and bolts with only one change,set dtcs po171 po174.rechecked seals o.k.also checked balancer for damage or broken.please iatn fix my ride.....
April 14, 2008
2003 Ford F-150 XL 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FTRF17283
P0174: sys lean bank 2. new customer,starts o.k cold once hot stalls at idle idle loaps and spark knocks.replaced upper and center intake seals and bolts with only one change,set dtcs po171 po174.rechecked seals o.k.also checked balancer for damage or broken.please iatn fix my ride.....
April 15, 2008
2001 Jaguar XKR 4.0L MIL Lamp on VIN: SAUDA42B21
P0174: bank 2 lean. This only comes on when getting on the highway.Check engine light comes on and power limited comes up in masage center.O2 senser reading good.Thanks Charles
April 15, 2008
2001 Cadillac Catera 3.0L Misfire, MIL Lamp on
P0174: Fuel Trim System Lean (Bank 2). ... was on and customer requested a diagnosis. there was two codes present. p0171 and p0174 fuel pressure checked and is within spects. while checking data fuel trims are above 20 off idle at idle they are +-5. there is a tsb to adress this codes manufacturer ...
April 19, 2008
2002 Mitsubishi Eclipse GT 3.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: NOVISIBLEV
P0174: Fuel System Lean (Bank 2). ... one drives me nuts for 2 days. I have this spidey in the shop originally came in with mil on had lean codes for both banks, fuel trims were over 20% at idle found lower intake manifold g-t leaking that brought short term trim to normal at idle but while dr...
April 20, 2008
2005 Ford F-150 XL 5.4L Misfire VIN: 1FTPW14594
P0174: system lean. has a misfire. customer says that 4 plugs on right side have allready been changed and 1 one the left side changed. showed me the old plug, the center electrode is completely gone, these are original motorcraft pf2 platinum plugs, looks like pre-ignition, comp...
April 22, 2008
1997 Ford F-150 4.6L MIL Lamp on, Lean
P0174: Sys Bank 2 Lean. Other master tech in shop has been fighting codes for 5 weeks, now I'm taking a look at it for him what I've seen for the last 3 day's is that the fuel trim (long) is at B1 24-26% B2 is at 14-17% at idle baro is at 133-138mhz spec in denver is 144mhz baro is r...
April 30, 2008