Phaeton :: MIL Light On / System Too Lean Codes

I just got this car a 04 4.2l, put about 2000km on it and MIL light now on. Just got VCDS here is the scan.

I tried clearing the system too lean codes and shut off MIL and engine ran poorly, I think that is the cyl misfire codes.

Car runs fine with MIL on, averaging 10.8 l/100km hwy driving, but need to get emission tested and here in Ontario, they read the obd.

VCDS Version: Release 12.12.0 (x64)
Data version: 20130910
Monday,23,September,2013,19:21:03:35803
Chassis Type: 3D (3D - VW Phaeton (2002 > 2006))
Scan: 01 02 03 05 06 07 08 09 11 13 15 16 17 18 19 23 27 28 29 2E
34 36 37 38 39 46 47 55 56 57 65 66 68 69 71 75 76 77

[Code] ....

View 15 Replies

Phaeton :: CEL Due To Lean Condition On Bank 2

A few months ago I got a CEL, the problem was a lean condition on bank 2. Since then, that problem has happened again two or three times. Yesterday, I got the CEL again and now it's showing lean on both banks. When it was just the single side, I was thinking MAF, but now it's both I'm thinking possibly the fuel pump. The only other thing of note which may affect it is that I'm 90% sure the thermostat has been stuck open for the last couple of years, which presumably affects the map being used, it does throw an "implausible coolant temperature reading" fairly regularly in cold weather.

View 8 Replies

Passat (B6) :: CEL Came On - Cooling System Too Lean

So CEL came on a few weeks ago as it does here and there so got it scanned today and it said "cooling system too lean" could it just be the mods throwing the light. car is tuned so i thought cel wasn't suppose to come on and no mods to the cooling system beside cold air intake..

View 6 Replies

Golf VI R :: CEL With System Too Lean And Rich Fault Message

How can one get a too lean AND a too rich error, within 150 miles? I'm guessing the too rich code was what through the CEL last night. For reference, the only mod is APR stage 1. That will teach me to drive "spiritedly" with a Porsche Turbo S. (which sounded amazing at WOT btw..)

2 Faults Found:
000369 - Fuel Trim; Bank 1
P0171 - 001 - System Too Lean
Freeze Frame:
Fault Status: 01100001

[Code] ....

000370 - Fuel Trim; Bank 1
P0172 - 002 - System Too Rich - MIL ON
Freeze Frame:
Fault Status: 11100010

[Code] ....

View 24 Replies

Santa Fe (CM - 2007-12) :: 2008 - System Too Lean At Idle

I have a 2008 Santa fe with 68000 km, very high gas consumption. i checked the car computer.

1 - System too lean at idle (b1)
2 - System too lean at idle (b2)

The mechanic advice me to make some replacement and maintenance

1- Spark Plug Replacement
2- Change Fuel filter
3- change air filter
4- Injector cleaning

I have changed the spark plugs, still having high gas consumption.

View 42 Replies

Camry :: 2005 - Random Misfire And System Too Lean Code?

i have a 2005 camry 4 cyl. and i have a couple of code: second o2 sensor, system too lean, misfire cyl. 1 2 3 and 4. when i run the car it is incredible how much gas it take.

I first replace the second o2 sensor and i cleaned the maf sensor, air filter, iac and trhotle body but the codes came again.

View 2 Replies

Tacoma :: P1071 Error Code - Bank 1 System Too Lean

I've searched for this and haven't come up with much other than the same error code for a bunch of other vehicles, and a bunch of different responses. My Tacoma is a 2000 PreRunner, 3.4 liter engine.

The exact code I get it is:

P1071
bank 1 system too lean

What this could be?

View 1 Replies

Passat (B5) :: Check Engine Light Coming On - System Too Lean?

I recently had some work done on my 2001 1.8t Passat. All new vacuum hoses & camshaft tensioner replaced by VW dealer. Check engine light is coming on and an independent shop near read out a code: Bank 1 mixture adaptation(multi): System too lean.

What does this mean??? And could this relate to these parts being replaced??? Work was done approx 2000 miles ago.

View 1 Replies

Passat (B5) :: 2001 - MIL Light On With DTC Code P0171 Lean System

I have a 2001 Passat 1.8T that has the pesky MIL light on with a DTC code P0171 lean system. I have sent it to the mechanic many times to no avail. What the mechanic did was replacement of the MAF, O2 sensors, checked intake manifold leak as well as exhaust manifold leak. His last attempt was to check for clogged injectors and fuel filter and they were in good condition. He says the ECM is bad. I was able to retrieve freeze frame data as well as live data which shows that the computer is compensating what it thought was lean by having very positive LTFT of 22.6. I don't believe the ECM is bad but cannot be sure. There is one more thing that was not checked by the mechanic is the EGR valve. Could that be the cause of my woes - the lean system?

View 14 Replies

Passat (B6) :: 2007 - Error Code Of P0171 System Too Lean

I have an 07 passat with a 2.0 4 cyl turbo and I have an error code of P0171 system too lean (bank1) but engine seems to run just fine, what this code means, am wondering if it is something I can fix or if it needs to go to the shop??

View 2 Replies

Santa Fe (CM - 2007-12) :: 2008 - CEL On / Fuel Trim System Lean At Idle

I just got this 2008 santa fe a month ago from the dealer with 80.000 miles , and then yesterday the check engine light came on, i took it to auto zone and the put the computer and this 2 codes came up:

P2187
Fuel trim system lean at idle
explanation
the average long term fuel trim values at idle are more than 30% for 10 seconds

probable cause
- low fuel presure
- failed MAF sensor
- large vacuum leak
- cylinder misfire due to ignition system failure

P2189
System too lean at idle bank 2
explanation
failed MAF

probable cause
- low fuel presure
- vacuum leak on engine
- failed HO2S ( heated oxygen sensor-bank2 )

View 9 Replies

Ford Fuel System :: Can Broken Dipstick Tube Cause Lean Codes?

It's really not relevant what brought up this question but do you think a broken dipstick tube can cause an engine to run lean and why do you answer that way?

View 3 Replies

Passat (B5) :: 2001 - Emission Workshop / Misfire On 4 Cylinders And System Too Lean Codes

I am getting the dreaded emission workshop.

The codes i am getting are p0301-p0304 and p0171

Which are misfire on 4 cylinders and system to lean (bank 1).

Here is what I have done:

Got the 4 ignition coils replace, replaced the mass air flow, replaced the air filter, replace the plugs.

I just check the L wire and it doesn't have any cracks or holes

I don't know what to do next.

View 4 Replies

Ford Fuel System :: 1988 - Got Code 41 - Lean Miss At Idle - ECM Or Injectors?

1988 F250 351 5.8

I've worked for months on this truck and I now have it in the shop. The truck shows a 41 code and has a lean miss at idle that get worse during acceleration and cruise. The injectors were refurbished 6 months ago and the ECM was replaced 3 months ago. All sensors are new and within specs. Fuel pressure is good and there are no vacuum leaks.

The mechanic has verified that the condition is not electrical related. The O2 sensor will react if carb cleaner is sprayed into the throttle but other wise shows constantly lean. He's now checking all pins at the computer for any off condition. He is suspicious of the refurbished injectors. I'm wondering if the computer somehow went out again. Which way to go or what/how next to test?

View 9 Replies

Ford - F150 :: 1998 - Check Engine Light On And Error Is Bank 2 / System Too Lean

My vehicle is a 98 F150 5.4 ltr Triton. I got a check engine light on and the error is "bank 2, system too lean." I read that this can be caused by a few different things like vacuum leaks or fuel filter and so far I haven't been able to narrow down. It started with occasional shaking at idle and its happening more as time goes. When at idle it often makes a sound like slurping the bottom of a drink with a straw and shakes intermittently. The fuel economy seems to have gone down. Sometimes it seems like it almost dies in idle, but always keeps running. It runs great when I push on the gas.

View 4 Replies

Passat (B5) :: Check Engine Light Came On - Code P0171 / Fuel System For Bank 1 Was Too Lean

We have a 2003 Passat 1.8t. Had the Check engine Light come on. Went down to AutoZone and hookeded up the OBDII reader. Came up with P0171, Fuel System for Bank 1 was too lean. Probable causes:

1. Fuel Pressure of MAF (If Bank 1 & Bank 2 set codes together)
2. O2 Sensor
3. Ignition Misfire
4. Fuel Injector Problem

Car has 60K - has always run well. Wife says she thinks it's running a bit sluggish. I rarely drive the car, but I think she's right. Car is not missing or running rough.

I cleared the code & started the engine; Check Engine Light is off; then looked at the codes and I find a P0171 (Pending). She tells me that the light has been on before & then gone away. So I guess it clears itself, but eventually comes back.

View 10 Replies

Lexus RX 2004-09 :: Off Idle System Too Lean - Gas Pedal Long Term Fuel Trim Jumps To 29

Have a system lean code popping up. long term fuel trim at idle is 14. No misfire counts. adjusted fuel trim from full rich to lean still no misfire counts. When on test drive and found after accelerating on the freeway soon as i take my foot off the gas pedal long term fuel trim jumps to 29 and multiple cylinder misfires start to occur. I take car off freeway and at stop light can feel misfire and fuel trim still at 29. coast it into the shop and at idle LTFT down to 10-14. Sprayed brake clean all over intake manifold but wasn't able to register any change in fuel trim. Fuel pressure is within spec. Cleaned MAF and Replaced with known good. LTFT still high

View 2 Replies

Santa Fe (CM - 2007-12) :: Check Engine Light Going On - Fuel System Lean Codes P0171 And P2187

My wifes 2007 Santa Fe Limited 3.3 has had a check engine light going on a year now. Car has about 122k on it now. Scanned codes about 6 months ago and had a fuel system lean code. Did some reading and ended up replacing the purge valve. The CEL stayed off til the end of the drive cycle and came right back. I have noticed when you fill the car up there is a real strong smell of gas but the car always starts right up. It now has a P0171 Fuel system too lean (b1) and P2187 Fuel system too lean at idle. Where to start. Don't have much background with hyundai. Also the ESC off light comes on randomly and goes off. Doesn't happen real frequently though.

View 4 Replies

Accent LC (2000-05) :: Check Engine Light Error Code P1128 / Too Lean Intake System

This is the infamous error code many Accent owners might have experienced it. The code refers to "Too lean intake system". People try to replace all kinds of parts like ECM, MAF, O2 Sensor, TPS, Fuel Pump, Fuel Filter, etc. according to my research. I just bought a 2001 Accent and the P2188 light came on. I wrote an email to Hyundai Corp. Asking what would be the most likely part that will cause the (P2188) check engine light to come on.

View 3 Replies