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P0172 Diagnostic Trouble Code Discussion for August 2010

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2002 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAULD64B82
Hello Audi Experts... This car came in a few days ago with the above codes stored in that order. The car was very sluggish...original plugs and low fuel pressure. We replaced the plugs, fuel pressure regulator and air filter element and erased the codes. The ...
August 04, 2010
1999 Chevrolet Tahoe LS 5.7L MIL Lamp on VIN: 1GNEK13RXJ
P0172: Fuel Trim System Rich (Bank 1). This project started out as a random misfire code for cyl 4 & 7 and eventually ended up with a cracked head which was not responsible for the misfire code but moisture activity in the crankcase. New head and valve job still ended up with misfire 4 & 7 ...
August 17, 2010
2002 Ford Explorer XLT 4.6L Surge, Misfire, MIL Lamp on VIN: 1FMDU73W82
P0172: bank one rich. this will not accelerate except at wot. at medium throttle openings it falls on it's face. the 1/1 O2 sensor reads 1587mv engine running and over 1000mv koeo. tried a new bosch O2 sensor, and no difference. swapped sensors side to side, (other one was an oem s...
August 17, 2010
2004 Other Asian xb 1.5L Excessive Emissions VIN: 7856783567
P0172: . fuel trims are at lt +30, st +20.maf at 1.89 at idle 2500 rpm 3.5 gs/m
August 19, 2010
1998 Dodge Neon Sport 2.0L Poor Idle Quality VIN: 1B3ES47Y0W
P0172: Fuel System Rich (Bank 1). Vehicle came in with a rough idle and rich code. Checked fuel pressure and found pressure to be 10psi too high. Fuel pressure also immediately bled off rapidly. Replaced the fuel filter/pressure regulator assembly with Dodge part. Solved the bleed off problem ...
August 24, 2010
2004 Isuzu N NPR 6.0L MIL Lamp on VIN: 4KLB4B1U04
P0172: bank one indicates rich. Everyday use for a local school. Truck sits a lot, checked CAT temp last visit seemed okay. Am testing with a genisys, dealer replaced MAF a few years ago for same problem. Should I be loooking for a fuel, or an exhaust restriction? Flow at pipe seems okay.
August 24, 2010
1998 Dodge Neon Sport 2.0L Poor Idle Quality VIN: 1B3ES47Y0W
P0172: Fuel System Rich (Bank 1). Vehicle came in with a rough idle and rich code. Checked fuel pressure and found pressure to be 10psi too high. Fuel pressure also immediately bled off rapidly. Replaced the fuel filter/pressure regulator assembly with Dodge part. Solved the bleed off problem ...
August 25, 2010
2003 BMW X5 3.0i 3.0L Hesitation, Misfire VIN: 5UXFA53533
P0172: too rich bank 1. ... on, I scan it, it has P1500 code. I clear codes, customer takes vehicle and bring back another day because of no time. I tryed looking up the code in Alldata and could not find anything at all on that code. all that I have is what my scanner says and that ...
August 26, 2010
2006 BMW 325i 3.0L Cuts out, MIL Lamp on VIN: WBAUB17596
P0172: Bank 1 Running too rich. Hello all you BMW guys out there, This car is really nuts. The car came in with the mil light on and we got codes saying the system was running too rich (twice) but not all the time. In fact the owner says the car runs perfectly most of the time and the scann...
August 31, 2010
2002 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAULD64B82
Hello Audi Experts... This car came in a few days ago with the above codes stored in that order. The car was very sluggish...original plugs and low fuel pressure. We replaced the plugs, fuel pressure regulator and air filter element and erased the codes. The ...
August 04, 2010
1999 Chevrolet Tahoe LS 5.7L MIL Lamp on VIN: 1GNEK13RXJ
P0172: Fuel Trim System Rich (Bank 1). This project started out as a random misfire code for cyl 4 & 7 and eventually ended up with a cracked head which was not responsible for the misfire code but moisture activity in the crankcase. New head and valve job still ended up with misfire 4 & 7 ...
August 17, 2010
2002 Ford Explorer XLT 4.6L Surge, Misfire, MIL Lamp on VIN: 1FMDU73W82
P0172: bank one rich. this will not accelerate except at wot. at medium throttle openings it falls on it's face. the 1/1 O2 sensor reads 1587mv engine running and over 1000mv koeo. tried a new bosch O2 sensor, and no difference. swapped sensors side to side, (other one was an oem s...
August 17, 2010
2004 Other Asian xb 1.5L Excessive Emissions VIN: 7856783567
P0172: . fuel trims are at lt +30, st +20.maf at 1.89 at idle 2500 rpm 3.5 gs/m
August 19, 2010
1998 Dodge Neon Sport 2.0L Poor Idle Quality VIN: 1B3ES47Y0W
P0172: Fuel System Rich (Bank 1). Vehicle came in with a rough idle and rich code. Checked fuel pressure and found pressure to be 10psi too high. Fuel pressure also immediately bled off rapidly. Replaced the fuel filter/pressure regulator assembly with Dodge part. Solved the bleed off problem ...
August 24, 2010
2004 Isuzu N NPR 6.0L MIL Lamp on VIN: 4KLB4B1U04
P0172: bank one indicates rich. Everyday use for a local school. Truck sits a lot, checked CAT temp last visit seemed okay. Am testing with a genisys, dealer replaced MAF a few years ago for same problem. Should I be loooking for a fuel, or an exhaust restriction? Flow at pipe seems okay.
August 24, 2010
1998 Dodge Neon Sport 2.0L Poor Idle Quality VIN: 1B3ES47Y0W
P0172: Fuel System Rich (Bank 1). Vehicle came in with a rough idle and rich code. Checked fuel pressure and found pressure to be 10psi too high. Fuel pressure also immediately bled off rapidly. Replaced the fuel filter/pressure regulator assembly with Dodge part. Solved the bleed off problem ...
August 25, 2010
2003 BMW X5 3.0i 3.0L Hesitation, Misfire VIN: 5UXFA53533
P0172: too rich bank 1. ... on, I scan it, it has P1500 code. I clear codes, customer takes vehicle and bring back another day because of no time. I tryed looking up the code in Alldata and could not find anything at all on that code. all that I have is what my scanner says and that ...
August 26, 2010
2006 BMW 325i 3.0L Cuts out, MIL Lamp on VIN: WBAUB17596
P0172: Bank 1 Running too rich. Hello all you BMW guys out there, This car is really nuts. The car came in with the mil light on and we got codes saying the system was running too rich (twice) but not all the time. In fact the owner says the car runs perfectly most of the time and the scann...
August 31, 2010