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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 22, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW Z3 Roadster 2.5L Throttle VIN: WBACH9340Y
Aloha, friends, I have a car that's giving me fits. Application of ANY throttle causes car to nearly die, and immediately sets additional codes in the egs and abs/DSC. Primary codes (in DME) reset immediately without car even being started. These codes are (...
2004 Cadillac Escalade 6.0L Brake calipers VIN: 1GYEK63N94
The front and rear brakes stuck on so bad that the caliper pistons and brake pads are falling apart, the rubber boots on the slides melted and even the ABS sensors and rear shock boots are distorted from heat. The rear is worse than the front but both are bad....
1996 Chevrolet Cavalier 2.2L multifunction alarm module VIN: 1G1JC5248T
Swappedin new MFAM from dealer after checking all inputs , power and grounds, still have 243ma draw, I am missing something, for sure. Thanks, Jack.
2005 Chevrolet Colorado Sport 3.5L 4wheel drive VIN: 1GCDT14625
Hi guys got a stupid question, one of my guys unplugged the transfercase motor while doing a repair on an o2 harness and started truck up and set a service 4wheel drive light... the truck never moved mind you but i cannot find a procedure in mithchell to reset...
2006 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK12Z46
hello all, have this truck with all these 02 codes. cant believe all four heaters went bad at once. does anyone have any ideas. thanks Trouble codes: P0053, P0054, P0059, P0060, P0449
2007 Chevrolet Suburban 1500 LT 5.3L Daytime Running Headlamps VIN: 1GNFC16097
This vehicle was brought in with the daytime running headlamps on. They stay on all the time. I pulled the fuse and the lights went out. Using a tech2 i see the relay is commanded off. However the lights remain on. All data shows an unserviceable relay in the ...
2008 Chevrolet Uplander LT 3.9L Door VIN: 1GNDV33198
This van came in with a rear sliding door that would close completely and then open right back up. The scan tool BCM data shows the switch seeing that the door is completely closed. We replaced the detent switches and contact plate because the plate looked a l...
2005 Chrysler Pacifica 3.5L Misfire, MIL Lamp on VIN: 2C4GM68455
Help guys, have this vehicle that came in with broken motor mounts and running rough. Replaced motor mounts and found that under the left front motor mount, when it broke it pinched the number 2 harness going to the pcm. repaired wiring damage to harness, no c... Trouble codes: P0205 (Fuel Injector 5 circuit)
2007 Chrysler Town & Country LX 3.3L horn VIN: 2A4GP44RX7
I have this 07 Chrysler Town & Country in here. The horn will go off and blow solid after it sits for a few minutes (usually 2-5 minutes.) It can be sitting with doors locked or Unlocked. Also, if it is locked up and you unlock it with the remote, the horn wi...
2003 Dodge Ram 3500 Van 5.9L Starting VIN: 2D7LB31Z13
Hello this is not an ordenary van this is a wheel chair conversion.it can in with the problem or shuts off as soon as you put it in reverse.so i noticed the batt voltage and pulled both batss out ,it has two both had only half a volt between them no lie.so the...
2003 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Lights flicker @ idl VIN: 1D7HU16N73
Please Friends, this is a personal one. I purchased this truck for myself. After the described history repair, everything has been fine, runs beautifully and smooth, except for idle speed. in the morning, You start engine, idle starts [...] and then settles...
2008 Dodge Caliber SXT 2.0L no throtle responce VIN: 1B3HB48B28
customer complained that cruise control quit 2-3 months ago. cruise does light up on instrument cluster. now lightning bolt light on or flashes on cluster, engine lacks power, car won't go over 30 mph. sometimes will be ok for 1.5 miles after startup. no codes...
1957 Ford Skyliner 4.5L Windshield wipers VIN: D7RW209475
The wipers, when operated, barely move up the w.sheild then stop. They will go back down when shut off. There is vacuum going to the "motor" and off into the interior. Maybe one of the "old timers" could tell me why the vacuum source for this wiper motor comes...
1988 Ford E-250 Econoline Club Wagon XL 5.8L Poor Idle Quality, Surge VIN: 1FDGS24H9J
i think i know the problem i just not sure what to do with it - my map voltage is at 2.58 - 2.61 on signal wire at all times unless unplugged then it goes to 4.99 volts - ref volts @ 5.0 at tps - map - egr / good ground (added extra straight to battery to make... Trouble codes: 85 (canister purge at lean limits KOEO)
1992 Ford Taurus SHO 3.0L Cuts out, Stall VIN: 1FALP54Y3N
customer state that car cut off on highway I checked car has no spark from ignition coil, and also has oil in each spark plugs tube after has new spark plug tube reseal i did replace new spark plugs and wires, new coil and ignition module car still has no spar...
1999 Ford Explorer XLT 4.0L Gem Module VIN: 1FMZ434EXX
After changing 4x4 selector switch it worked a few times and stopped switching,i can disconnect the battery to get it out of 4x4 low but it will not work forom the switch any help would be appreciated.
2000 Ford F-150 5.4L Hesitation, Surge VIN: 1FTRX08L6Y
So far i had replace and reprogram the pcm,air flow,intake manifold,os sensors,fuel filter,fuel pump twice,spark plugs,coil boots,without any improvement,please,need help. Trouble codes: 1760 (Epc ptroblem), 0743 (Tcc), 0755 (Shift solenoid), 1747 (Pressure control short circuit)
2001 Ford Mustang 3.8L Ect Sensor VIN: 1FAFP40481
Can somebody please tell me where is the ect on this engine?!?!?! this car is overheating, and i can't find where in the engine is this sensor, I found the cht and i'm thinking this is the only mean the computer has to determine the engine coolant temperature,...
2001 Ford Mustang 3.8L MIL Lamp on VIN: 1FAF40471F
First of all thank you for reading this message. Now this will be my first time asking for help here. I'm having issues with this vehicle i fixed a lot of problems but still coming back to the same codes so im missing something please let me know. Thank you. Trouble codes: P0455, P0443
2002 Ford F-350 Super Duty Lariat 7.3L Misfire, MIL Lamp on VIN: 1FTWW32F92
Vehicle came in with a missfire complaint. Fuel specs via scan tool are correct. I replaced injectors #6 and #8 and valve cover gasket. Missfire was fixed and vehicle returned to customer. 3 days later vehicle returned with same complaint and found the listed ... Trouble codes: P0603 (Internal Control Module KAM Error), P0605 (PCM ROM Test Failure), P1276 (Cylinder 6 High To Low Side Open)
2004 Ford Freestar SES 3.9L No Start VIN: 2FMZA57634
Unable to program new keys and transsponder have tried several times with no success ... Trouble codes: B1213 (Antitheft of keys program below min.), B1602 (Pats invalid emt/ key cd)
2005 Ford E-350 Club Wagon XL 6.0L No Start, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GCJK33D97
very difficult. cuts out and wrench and check engine light comes on and throttle won't work, p0107,p0405, p0427, p2104, p2122, p2127, p2132, p2285, tons of codes, I believe the codes are all there due to the 5 volt reference loss see below. hooked up break out... Trouble codes: P0107 (Map bp circuit low), P0405 (Egr a circuit low), P0472 (Exhaust pressure sensor low), P2122 (Throttle pos.), P2127 (Throttle pos), P2133
2005 Ford F-250 Super Duty XL 5.4L spark plugs stuck VIN: 1FTSX215X5
The truck runs fine, but is due for spark-plugs. I have heard that they can be troublesome to remove, am aware of the tsb on how to remove them, but was interested if other people had any advice on better methods and or what would be a good replacement plug.
2006 Ford Fusion S 2.3L Timing Components VIN: 3FAFP06Z26
Hesitates at low speeds. Runs fine after car reaches mid-range. Greater concern is "chain slap" noise on front of engine. Do not want to dive into large timing component job without further diagnosing drivability issue. Also, according to Alldata, many people ...
2006 Ford Escape Hybrid 2.3L No Start, Stall VIN: 1FMCU95H66
This Hybrid Escape still stalls and does not start accompanied by the red triangle indicator. We had PCM flashed with latest update and GEM module (AKA Smart Junction Box) was replaced and programmed because it was always showing code B1342. After this, engine... Trouble codes: P1A10, B1342 (Faulty Control Module), P0A27
2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E
Has rough idle like misfire, sometime wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back. Trouble codes: P0171 (p0300-), P0300 (p0301-), P0301 (p0303-), P0303 (p0113-), P0113 (p0316-), P0316 (testing and results)
2004 GMC Savana 2500 4.8L abs VIN: 1GTGG25V14
Van was at a differnt shop and they replaced the parts listed know i have the van i bleed the system with scan toolo and power bleeder no differnt do not see any leaks can some body lead me in the right direction before i dive in thanks for any help
1999 Honda Accord EX 2.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1HGCG5652X
Vehicle came in with the mil on and customer complaint of misfiring. Pulled codes p0301,p0325 and p1259. First we checked the knock sensor and it was damaged so we replaced it. Knock sensor code fixed. Second we replaced the vtech sol assembly and cleaned out ... Trouble codes: P0301 (Cyl 3 misfire), P1259 (Vtech system malfunction), P0325 (Knock sensor 1 circuit b1)
2006 Honda Accord EX 2.4L rotors VIN: 1HGCM567X6
This car has been an ongoing problem for some time. Every few thousand miles it develops a brake pulsation regardless of any attempts to correct the problem. All of my runout readings are within honda specs of .004 front and .006 rear. We have tried wagner r...
2006 Hyundai Sonata GLS 3.3L cooling fan VIN: 5NPEU46F86
Hello IATN...got a weird one that cant put together. This car comes in shop with a code for cooling fan circuit failure, upon inspection I notice an after market relay wired in. Im trying to bring this vehicle back to stock but having issues doing so. Does any...
1999 Infiniti Q45 T 4.1L MIL Lamp on VIN: JNKBY31A3X
hello import tecs, have this infinity with a p1400 code. system works fine now but i would like to know where the egr soliniod is. mitchell says top rear of engine but after following vac line looks like under intake. can someone verify please. thanks in advan... Trouble codes: P1400
2001 Jeep Grand Cherokee Laredo 4.0L Skewed temp gauge VIN: 1J4GW48S71
Customer brought vehicle in for overheating problem - complained about fluid spewing out of overflow and gauge hitting 260F. Stated the t-stat and ect sensor were replaced but didn't help. Tested radiator fan circuit, works fine on both speeds. Found radiator ...
2005 Kia Sportage EX 2.7L shutter/shake VIN: KNEJE72345
It acts almost like an older 4x4 truck driving it in 4wd on pavement. When you accelerate it has a bad shake that feels drivetrain related. The l/s cv was replaced at another shop. The inner joint and outer joint on the r side feel ok. I am almost ready to rep...
2003 Land Rover Range Rover HSE 4.4L alternator VIN: SALME11463
Hi everybody out there in broken auto land. can anyone tell me the direction to remove the fan from waterpump. we have to replace the alternator and cannot undo the fan. I can't seem to get the correct info. thanks gordon.
1996 Lincoln Continental Spinmaker Edition 4.6L Unknown VIN: 1LNLM97V7T
helo tecks iv got a 1996 lincoln continental we pulled the transmission rebuilt it stuck it back in the car started ran down the road fine took it for another drive it died about 5 miles down the road pute a new alternator on it test drove it again died 6 mile...
1999 Lincoln Continental 4.6L MIL Lamp on VIN: 1LNHM97V0X
hello guys i could use some help i have a 99 lincoln continental with code 0442 that kept coming back,we finaly fixed that problem by replacing the fuel filler and cap,but now we have a 0440 a gross leak no flow code,we can not find any leaks in system and hav... Trouble codes: 0442 (evap small leak), 0440 (evap gross leak no flow)
1990 Lotus Esprit Turbo SE 2.2L Excessive Emissions, Poor Idle Quality VIN: SCCFC2087L
The saga begins. Car came in running rough and rich, low vacuum and bouncing. Compression test showed #4 dead, leakdown showed really bad blowby #4. Pulled engine and stripped down. Nicasil lining on #4 destroyed and piston crapped. Exhaust guides worn out. re...
2008 Mazda CX-7 Sport 2.3L Poor Idle Quality, Stall, MIL Lamp on VIN: JM3ER29368
MIL ON P0506 Customer complains on stalling at stop sign, we confirmed no leaks on induction, turbo seems to operate fine, did not check BOV need to know if possible damage comes from ETC Trouble codes: P0506 (Idle speed too low)
1986 Mercedes-Benz 560SL 5.6L Idle speed too high VIN: WDBBA48D8G
We are pulling our hair out on this one. Vehicle came in after having failed smog for the idle speed being too high, approximately 1100RPM. After checking the usual suspects, we installed a replacement idle speed control relay. The problem persisted so we trie...
1999 Mercedes-Benz E320 3.2L Driver's Seat VIN: WDBJF65H8X
Hello 'Benz techs. I've got this super clean 99 E320 that the driver's seat will not move backward. The seat will, however move rearward with one of the memory buttons. I misguidedly assumed that the door switch was worn out and replaced it (this did not fix m...
2007 Mini Cooper 1.6L MIL Lamp on VIN: WMWMF33517
This car came in with mil on and we checked with a generic obdii scanner the only code we got was a p1447 all-data nor mitchell have any info on this vehicle we check all the evap lines and even smoked tested with no results any help would be appreciated. Than... Trouble codes: P1447 (Diagnostic module tank leakage dm-tl pump too high during switching)
1980 Nissan 280ZX 2.8L Hesitation, Cuts out VIN: HS130-2090
Ok guys i need a little help from u experienced NISSAN TECHS.We are a euorpean shop and this customer lives close to us so the boss agreed to work on it. I have a 280 ZX thats wont rev up like its starving for air or fuel. If u hold the gas pedal to the floor ...
2002 Nissan Maxima SE 3.5L No Start VIN: JN1DA31A82
Nissan HELP!!! No start after the vehicle ran hot. Customer states he was going to work when the car ran hot, by the time he got it pulled over it stalled. The car cranks funny. Like its SLOW and no compression. The anti-freeze blew on top of the rt ft valve c... Trouble codes: P0138 (O2 sensor)
1994 Oldsmobile 98 Regency 3.8L No Start, Cuts out, Stall, MIL Lamp on VIN: G3CX52L9R4
hey guys, have a wierd one. to start, no comm is avail at dlc[obd2 conn on 1994?] will start and run great untill digital cluster HOT words appear in upper temp guage bar graph, although coolant temp reading is not even halfway.cooling fans cycle on always whe...
2000 Plymouth Voyager 2.4L No Start VIN: 2P4FP2530Y
have injuction noid light but no spark have power from asd relay to coil no grond from ecm
2004 Pontiac Grand Prix GTP 3.8L ABS Module VIN: 2G2WR544X4
This is my personal car. While sitting still my DIC will go off with ck ABS, Traction Control, Stability Control and Ver. Effect steering. Also on the IP all those come on plus the red brake light. I have scanned the system, went through all Mitchel said and t...
2004 Porsche Cayenne S 4.5L Rotor VIN: WPIAB29P94
Customer claims Porsche dealer put brake pad and rotors on vehicle and it started to shake a short peroid after. Somebody put aftermarket parts on either befor or after Porsche. It also started to shake. We dialed the hubs and rotors and found the left rotor w...
2007 Porsche Cayman 2.7L airbag light VIN: WPOAA29827
Porsche Techs: Car came in w/airbag light on. Scanned w/durametric, found fault code 8024(drivers thorax airbag shorted to ground). Disconnected harness under seat, fault code 800C set(drivers thorax airbag above upper limit). Searched TSB's, replaced drivers ...
2002 Saab 9-3 SE 2.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: YS3DF78K02
hey guys thanks in advance, found code p0101 maff sensor range performance, tested maff frequincy and compaired to intake air grams per sec at 10 grams per sec maff hz dropps off to 1400 hz should be around 3400 power and grond at maff are ok im lost please he... Trouble codes: P0101
2003 Saturn Vue 2.2L No Movement After Rebuild VIN: 5GZCZ33D23
After replacing belt and pulleys converter will not charge with oil , no fluid pumping out of cooler lines , replaced pump same symptom , 3rd time removing transmission air checks good on all drum and drive pulley , driven pulley leaks air in pulley compressed...
2008 Scion xD 1.8L cam timing, timing chain VIN: JTKKU10498
I am attempting to reset timing, i have removed valve cover and chain cover, reading what alldata describes is like fishing in a dry pond? no luck at all, where i am getting lost is setting the cams with intake gear unlocked chain not on crank or cam sprocket ...
1996 Toyota Camry LE 2.2L oil seals VIN: 4T1BG12K2T
Thanks to everyone in advance. Have this camry that origanlly came in with a streaming oil leak while running. Turned out to be a craked oil pump o-ring. Replaced o-ring and oil soaked t/b. All was good for a week. Came back, oil leaking from the oil pump shaf...
2002 Volkswagen Jetta GLX 2.8L Side view mirror VIN: 3VWTG69M72
Customer brought in some broken mirror pieces (no motor though)and requested a new mirror. We ordered an aftermarket mirror, had it painted and we instaaled it. This is where the problems started. The mirror would adjust normally with mirror switch. But when ...
2004 Volkswagen Jetta TDI 1.9L Low power VIN: 3VWSR29M74
Thanks in advance. Car came to me with no power and smoking. Replaced turbo with oil feed and return lines and a fresh oil change. Turbo looked bad.. Exhaust vanes and end of shaft missing completely, intake vanes broken and mangled up. Replaced o2 sensor as w...
1999 Volvo S80 T6 2.8L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: YV1TS90D6X
Hey everybody, iv'e got this volvo here that is driving me nuts. Car came in with a dead motor. Replaced engine with a low mileage engine and runs like crap when in closed loop only. This car will surge and buck like its nobodys business. Will run great cold a... Trouble codes: 290A, 280A

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 BMW 540i 4.4L cooling fan VIN: WBADN5336X
Thanks to everyone, the BMW is healed now. Richard, Samora, and Frank all set me on the right track. The "heated thermostat" was bad- the heater was open, and that was sending the system into default. A new thermostat assembly was the fix to let the fan come o...
2006 BMW 325xi 3.0L Starting VIN: WBAVC93567
Ok well the new battery fixed this problem, after I installed it there were no more problems Customer said she was trading it in cant afford it anymore
2003 Buick Century Limited 3.1L Poor Idle Quality VIN: 2G4WS52J13
After much deliberation I decided to replaced the pcm and that repaired the problem. Thanks to everyone for the input and help.
1994 Cadillac DeVille 4.9L Cooling Systems VIN: 1G6KD52B6R
To check water pump flow we removed upper hose and started vehicle, coolant gushed from hose indicating functioning water pump. Put everything back together and car seemed fine. Did we free something up when we removed hose ? Maybe. Customer had seven hour dri...
2003 Cadillac DeVille 4.6L tcc solenoid VIN: 1G6KF57963
2005 Cadillac STS 4.6L Starting VIN: 1G6DC67A05
Well it turns out that it was the PCM. The instrument panel is supposed to go out on till it starts. If not the instrument panel will come back on by itself after about 50 seconds. The problem was when I put the new PCM in and programmed it I also had to relea...
2005 Cadillac STS 4.6L Poor Idle Quality, MIL Lamp on VIN: 1G6DC67A35
ok thanks to all that helped car is fixed installed a new pcm all codes clear runs good once again thanks for all the help Trouble codes: P0102, P2119.
2009 Chevrolet Cobalt LT 2.2L Misfire VIN: 1G1AT58H09
Gentlemen, I thank you for all your input this is my brother in laws car, he has been to the dealership 3 times with no results it is still under factory warrenty. I have not worked on this yet, I did test drive it and see what his complaint is. Today he decid...
1993 Ford F-250 XLT 7.3L Master cylinder VIN: 2FDKF38M0P
Hopefully this info will help someone else down the road. It wasn't a real big deal but it ate up a lot of our time before the "Duh" moment arrived. Many, many thanks to all the IATN members who have contributed to this site over the years as it's been a real...
2000 Ford Taurus SE 4-Valve 3.0L Poor Idle Quality, Misfire VIN: F14SD14S8Y
after pulling the heads and putting them back it ran good for a while. then started missing again. found someone put wrong injector in. it had one for a 3.0 overhead valve. so it would pulse the same with a aftermarket tester but the engine computer would only... Trouble codes: P0303.
2001 Ford Taurus SE 2-Valve 3.0L Fuel Gauge VIN: 1FAFP55U71
The fuel gage was replace fixed it, thanks for the help! There was help in fixing the gage & people that did not read that it was not a flex fuel car & toled me how to fix a flex fuel car too so not I know how to do the flex fuel & one that is not flex fuel!
2003 Ford Focus SE 2.0L Speedomer, ABS light VIN: 1FAFP34333
Thanks for all the replies. 3 of 5 said the problem was with the programming in the instrument cluster, which I already suggested. I tried to do an "as built" config, but I couldn't figure it out, and had very limited information on the subject. I tried two...
2008 Ford F-150 FX4 5.4L Electronic VIN: 1FTPW14V28
thanks to all who replied. the problem was a cracked circuit board in instrument panel.
2004 GMC Sierra 2500 HD SLE 6.6L Left Front Brake VIN: 1GTHK29284
I am closing this request to use it as another update. If you can offer me anymore advise, please e-mail me! I do in fact have brake fluid contamination, the rubber on the master cylinder cap certainly is swollen. Before I concluded the fluid contamination, I ...
2003 Honda Odyssey LX 3.5L MIL Lamp on, Vsc VIN: 5FNRL18573
Thank you everyone who responded. I appreciate the ability to bounce ideas of the best techs in the industry. After reading a number of posts, I decided that the first thing to do was to get another oxygen sensor and see how that one speced out. I have been us... Trouble codes: P0135 (O2 sensor heater), 312.
2001 Lexus RX300 3.0L transmission VIN: JTJGF10U71
I received some suggestions to check wiring , which had been done already , check solenoids for clicking while they were hot , they all worked well . looked for pump activity as suggested , none ... Took the trans down . when we had it down we decided to doubl...
2006 Lincoln Mark LT 5.4L phazer
Gary was right about the screeching being from the belt tensioner, changed the bearing in it and fixed the screech. Valve train still noisy, using 5 w20 motorcraft oil and filter.
2002 Mercedes-Benz CLK430 4.3L rear bow VIN: WDBLK70G62
The reason for the rear bow not going up to the 90 degree position was due to a defective module. I installed the N52 soft top roll bar module and it's good to go. Thanks for all the replies.
2002 Mitsubishi Galant ES 3.0L Lighting VIN: 4A3AA46H02
With the help of Paul, Bruce and Gordon this one is fixed. After pulling down the etac and elimanating the door switches as the problem. I went to the trunk and found one of the wires by the hinge pinched. Repair trunk wire and everything works as it should. T...
1990 Nissan Pathfinder SE 3.0L Hesitation VIN: JN8HD17Y4L
fitst of all let thank those who took time to offer advise. had replies to check egr functuon maf signal and intake boot all checked fine. curt & kenneth were correct and got me thinking about the distributor. scoped 1 degre singal all was well but scoped 120...
1998 Oldsmobile 88 Royale 3.8L a/c VIN: 1G3HN52K5W
Thanks for all the replies, all were very good, but unfortantly nothing fixed this old girl. We had the oriface out of this Olds multiple times, it was in corectly and no trash in it. We added a extra freon but only got 190 on the high side, no low side change...
2001 Toyota Corolla LE 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2J1BR12E01
It was injector 3 as the main source of misfire, but before I changed it(OEM) I retested with the injector pulses set to 50-10ms and got 22lb. drop on 1 and 4 and 20lb. on #2, 3 was 17lbs. Fuel trim total at idle,( I know your not suppose to diagnose from idl... Trouble codes: P0300 (random misfire), P0303 (cylinder 3 misfire detected), P0171 (Bank 1 lean).
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