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Prev Professional Automotive Repair Technical Discussions for August 27, 2013
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2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
Engine runs smoothly just after start up cold (three-four seconds) Then it begines to misfire and run poorly. Engine is low on power. As the engine warms up it begine to run better but still has a slight misfire at idle. When it is test driven and het at WOT (... Trouble codes: P0300 (Random cylinder misfire.), P0307 (Cyl. seven misfire), P0306 (Cyl. six misfire), P0327 (Knock sensor circiut), P0303 (Cyl. three misfire), P0302 (Cyl. two misfire)
2005 Audi A8 Quattro L 4.2L Ride height adjustment VIN: WAUML44E05
Hello, Looking for a procedure to re-start/initialize/adapt suspension system, if possible. Vehicle came in with suspension on the ground, would not raise at all. All DTC's were pointing towards internal issue with ABS module, replaced with used one from salva...
2001 BMW 330Ci 3.0L turn signals VIN: WBABS53411
hi everyone need some help, this car has a bunch of gremlins and was wondering if I could get some advise. the problem is the outside turn signals work but they don't flash in the instrument cluster, at times multiple warnings on the cluster come and go also,s...
2005 Cadillac DeVille 4.6L Blower motor VIN: 1G6KD54Y65
Customer states that sometimes they will go out to the car in the garage & the blower motor will be running.They then get inside the car & turn the hvac system off & it stops running.Any ideas? Thanks,Bill
1990 Chevrolet V1500 Suburban Scottsdale 5.7L Poor Idle Quality, Stall
New customer explained motor has 15,000 on it, recentily had another shop trying to correct idle, Main problem is I have forgotten any thing I most everything I knew about these systems and need you guys to refesh my memory so I can diagnose it properly and no...
2000 Chevrolet S10 2.2L No Start, Poor Idle Quality VIN: 1GCC51946Y
Hey everyone, got a weird one here. Vehicle came in with no compression, engine was over heated so bad it basicaly melted the bottom end. At coustmers request we used a bottom end out of a 96 2.2 that they already had. Got the motor together and vehicle wont s...
2000 Chevrolet Blazer LS 4.3L 4lo shift VIN: 1GNCT18W2Y
so this is a fun one that's had me frustrated. 4wd works fine and works good. except 4lo. when you shift it to lo, it shifts you hear it, but it immediately kicks it out again. Best part NO CODES, I've tried every little combination and its always the same, s...
2000 Chevrolet C6500 Kodiak C6H042 7.4L tank overflowing
Ok, this one has me stumped, vehicle is equipped with dual fuel tanks. each with its own electric pump. as it runs it appears to send all return fuel to drivers side tank, making it overflow. Have checked all lines for kinks and have disconected return line ba...
2003 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall VIN: 1GNDM19X33
this van has been in twice for issue.the problem occurs under very light accelerator pressure-ie cruise- never has a problem under hard acceleration.1st time in van had many problems-02 bad, tps, maf,cps & needed fuel system cleaned. all performed & van ran gr... Trouble codes: P0341
2007 Chevrolet HHR LT 2.4L Ecm VIN: 3GNDA33P27
this car came in with a dieing issue. it would die and read across the dash engine power reduced and engine disabled. you could pull over and sometimes it would start up sometimes not. hooked computer up and it showed po122 tp or app sensor 1 short/low and po2...
2009 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 3GCEK23M59
This one came in with the check engine light on. P0521 - we went through the ppt and decided to replace the oil pressure sensor. The light came back on a few days later. I do NOT believe there is an engine oil pressure issue. Thanks, Mike Trouble codes: P0521 (Engine Oil Pressure EOP Sensor Performance)
2010 Chrysler Town & Country (Van) Touring 3.8L Fuel Pump Relay VIN: 2A4RR5D15A
Vehicle Towed In (no start) complaint of engine seemed to just crank. (Crank Timer). Code for Sending Unit Failure. Thought to be out of gas, dropped tank, PLENTY OF FUEL. Have no power or ground to fuel pump with initial Key On! The Fuel Pump Relay does nothi...
1991 Dodge Stealth R/T 3.0L TCM Communication/limp mode VIN: JB3XD64B2M
I have a 91 Stealth R/T non Turbo 3.0L with an automatic transmission. It came to me in limp mode with no communication with the TCM. Since the TCM is an issue with these that was the first place I went. I took it out, popped the cover, and sure enough it had ...
1999 Dodge Durango SLT 5.2L Poor Idle Quality VIN: 1B4HS28Y0X
Greetings ladies and gentlemen: Customer has a concern of a high and prolonged idle when stone cold-states idle as high as 2000rpm that 'hovers'-states that he cycles key and idle will be ok. Received vehicle hot. Checked for codes-found code for a/c clutch ... Trouble codes: P0645
2000 Ford F-350 Super Duty Lariat 7.3L Noise VIN: 1FTSX31F8Y
The customer complaint is on a long uphill he hears either exhaust or air "fluttering". Thought it might be wastegate related. No codes except for EBP out of range code P0476-exhaust pressure control valve range/performance. Cleaned EBP passage and sensor and ... Trouble codes: P0476 (Exhaust Pressur control valve out of range.)
2003 Ford Explorer XLT 4.0L Programming VIN: 1FMZU73K23
Hello Group, I am trying to initialize a used ABS module on vehicle sent by another shop. My Bosch J2534 VCI works well usually. During the program process of vehicle ID it cannot find the PCM, says blank programming, and are offered a chance to enter PCM numb...
2006 Ford Freestyle SEL 3.0L Dem Module VIN: 1FMDK05126
Had code p1889. Replaced pump same code returned. Replaced presure and temp sensor according to tsb. Same result again.the pressure is at 42.1 psi and i understand it should be at 55 psi (+- 11 psi). Any answers??
2008 Ford F-550 Super Duty XL 6.4L Reverse VIN: 1FDAF57R58
We usually wouldn't work on a tranmission problem but this is our own fleet vehicle and the soonest we could get it into a dealer is at least a week. The transmission has a delay and seems to be slipping in reverse only. The fluid level and condition is good. ...
2008 Ford Escape Hybrid 2.3L Suspension VIN: 1FMCU49H98
Hope anyone can help?? Vehicle has a pop/click type noise when braking at the end of a stop and also from the start of accelleration. Noise seems to be from both sides of the front of the vehicle. THANKS for your TIME!!!
2000 GMC Yukon Denali 5.7L wipers windows radio VIN: 1GKEK13R3Y
Hi all, vehicle has intermittant problem with wipers, radio and windows not operating. Problem occurs mainly in the rain. My diagram shows this circuit comes from the ignition switch, which so far tests OK, but I can't tell if the BCM is involved since it show...
2005 Honda Civic LX 1.7L Compressor VIN: 2HGES165X5
I have this Civic that apparently has A/C cut out on long trips. I have not seen the compressor cycle on/off once, just continuously runs. I already changed expansion valve as the low pressure dropped to 8 psi and high side went to 225 at 1500rpm. At idle seem...
2005 Honda Accord Hybrid 3.0L Brakes VIN: JHMCN36465
Hello Everyone, We have a Accord Hybrid that has a hard brake pedal when you first take off in the morning. The customer said that it normally will happen when vehicle is parked on an incline and when they go move the car in reverse the brake pedal is rock har...
2002 Hummer H1 6.5L Stall VIN: 137FA84362
This is a friend of mine chevy 6.5 deseil one which i know very little. sometimes it will die like u turn the key. not always hot. frist read about pmd. 2 years ago thats what it was. just like described in posts. we got pigtail and remote heat sink and it wor...
2000 Jeep Grand Cherokee Limited 4.7L Cuts out VIN: 1J4GW58N7Y
Vehicle came in and was cutting out under heavy accel. Had code for cam/crank signals intermittent fault. Ck signals, couldn't see anything wrong while vehicle was acting up. Code came up after every 2 starts after clearing. Replaced cam and crank sensors as a... Trouble codes: P1391
2007 Kia Sportage LX 2.0L Abs Module VIN: KNDJF72477
This car was bought at auction (problem number 1) and i was checking it out for the car lot and noticed on the test drive that when the car got up to 70 mph the esc light would start flashing and it wouldnt let the vehicle go any faster. I tried looking for co...
2008 Land Rover Range Rover HSE 4.4L Engine VIN: SALMF15428
This vehicle came in with a Check Engine Light on. Code stored is P050B. Previous shop diagnosed it as a bad transmission. P050B is COLD START TIMING PERFORMANCE. Has anyone seen this code before on this engine.
2003 Mercedes-Benz C320 4Matic 3.2L Starting VIN: WDBRF84J73
Hello to all mercedes techs, HELP !!!This car was towed in to us. The customer said he went in to pick up a pizza and came back out and the key will not turn in the ignition. he had the windows down and sunroof open. when you put the key in, you do not hear th...
2004 Mercedes-Benz C240 2.6L Wipers VIN: WDBRF61J64
Hi Guys and Gals I have a 2004 c240 base model with a problem. I replaced the wiper/turn signal switch due to failure to stay on right turn. (self cancelled all the time) Afterwards 3 weeks later customer came back with wipers only working on spray mode or wa...
2006 Mercedes-Benz C280 4Matic 3.0L MIL Lamp on VIN: WDBRF92H26
I took my Verus pro and reset adaptives for transmission and it appears to shift and code doesn't reappear. Had mil on for engine code 1697. Also has some SRS codes. Runs very good, I know that the code is a test plan for the oem scan tool but can someone tell... Trouble codes: 1697 (P2203- speed sensor 3 faulty), P2203 (speed sensor 3 faulty)
2002 Nissan Altima 2.5L Cuts out, MIL Lamp on
Here is something interesting. This altima comes from a local college student who says the engine was replaced over the summer after he blew a head gasket. Given the p0335 and the extended crank times, i replace the crank sensor with the NAPA metal head variet... Trouble codes: P0335, P0725
2004 Nissan Pathfinder SE 3.5L variable intake runners VIN: JN8DR09Y44
Vehicle was towed in with engine noise/ racket going on. It sounded like intermittent knocking/ banging everywhere from front of timing cover to rear of engine (noise telegraph). Knowing history of timing chain issues we pulled front access cover plates over t...
2009 Nissan Murano LE 3.5L Tpms VIN: JN8AZ18W99
Thanks in advance to anyone who can help. We had car come in with TPMS light on. It had code C1725, Right front tire pressure sensor battery low. All sensors read pressure and all were accurate. We cleared codes and had customer drive it. It came back in 3 day...
1997 Saab 900 SE Turbo 2.0L hood release cable VIN: YS3DF75N2V
Car was towed in with a dead battery and broken hood release cable. It's broken at the hood end, not inside the car. WIS says "To open the bonnet in an emergency or if the bonnet-release mechanism is broken, use special tool 8292963." I can't find a picture or...
1998 Subaru Legacy GT 2.5L Cooling fans VIN: 4S3BD6751W
Car came into the shop with cooling fans surging on and off and a fast blinking check engine lamp. I quickly figured out it was in some sort of test mode. Found jumper connection under LH dash area (green single wire connector) and unplugged it. Now I have a s...
2002 Volvo S60 T5 2.3L No Start VIN: YV1RS58DX2
Customer states that the engine will crank but will not fire, or engine starts and dies. Could not duplicate symptoms on arrival, and have not since. Also customer complains of anti-skid service light on, transmission light, and the clock was going around and ... Trouble codes: BCM01, BCM10, CEM1A, CEM1A, ECM, 201A, ECM, E003

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 BMW X5 4.8i 4.8L Radiator Fan VIN: 5UXFE83567
First & foremost thanks IATN. Next thank you Dan from Ontario & James from Rhode Island you guys both hit right on target. The fix was the relay behind the RH fender, I removed the wheel well cover verified good voltage at the relay 12 gauge wire, & verified g...
1987 Buick Regal GNX 3.8L master cylinder VIN: 1G4GJ1174H
Thanks to all that HELPED and not bashed. Tried ground circuit as many suggested, but it did in-fact blow fuses. I decided removed sensor at proportioning valve to inspect brass rod. It was pushed to one side. re-centered and all is well, brakes stop on a di...
1991 Buick Regal Custom 3.8L radio VIN: 2G4WB54L1M
The customer decided to take the vehicle as is and deal with the problem. But in mind I will always wonder.
2008 Cadillac Escalade 6.2L MIL Lamp on VIN: 1GYFK63888
Hello Fellow Techs. I would like to thank you for all your help and advise, we have try few area that with the symtom, but no luck, we finallize have Owner sent vehicle to Dealer. Thank you so much for support. Trouble codes: P0315 (Crank position sensor).
2003 Chrysler Concorde LX 2.7L Timing Chain VIN: 2C3HD46RX3
1998 Dodge Dakota 3.9L Cuts out VIN: 1B7GL22X5W
Thanks to every one's help. It was the front o2 sensor. Thanks again for all of your help.
1988 Ford F-350 XL 7.5L Hesitation, Surge, Stall VIN: 1FDKF37G1J
After unplugging MAP sensor with 5.8L PCM no help, installed reman unit back in truck with MAP unplugged run great. Replaced MAP and customer is happy. Didn't understand, had already tried known good MAP with no help earlier. Just one of those things. Thanks f...
2000 Ford Expedition XLT 5.4L Surge, Cuts out, Stumble VIN: 1FMRU15L6Y
im sorry to say that my problem still exists. all post although good were not related to my issue. i will continue looking for my problem and let you know.
2006 Ford F-150 XLT 5.4L MIL Lamp on VIN: 1FTPW14V86
This one turned out to be a rather easy fix. The left cam phaser trigger wheel was slightly bent. I assume it was that way out of the box. I did not drop it, pry against it, or anything of that matter. Ford was kind enough to warranty it for me and the tru... Trouble codes: P0345 (Cam shaft position sensor A circuit bank 2), P0349 (Cam shaft position sensor A circuit intermittent bank 2).
2008 Ford F-350 Super Duty XL 6.8L Starter VIN: 1FDWF35Y08
Ok,this truck has a hydralic bail bed. We took the adapter to the front of the crank pulley for the bail bed off to see how it acted. Problem went away. We know that is the problem not sure if we are going to leave off or contact manufacture of the bail bed to...
2000 Isuzu Rodeo LS 3.2L serp. belt VIN: 4S2CK58W9Y
I forgot the balancer pulley can slip on the rubber damper ring. I put a white line from the center to the outer, and in a few days I checked, and the lines moved from each other. So this one is getting a harmonic balancer. Thank you very much!!
1995 Jaguar XJ6 4.0L Rear Seal VIN: SAJHX1744S
All the replies mention crank endplay. That was measured and was within specs. The surface of the journal was perfect. I had a friend who has worked at the local Jaguar dealer for 20 years come over with the install tool, but has admitted that that he has neve...
2005 Mini Cooper 1.6L shifting VIN: WMWRF33555
well with your help I traced this problem to a bad transmission, we took it to a tranny shop where its getting repair and work out a payment plan. learn a lot about this car (not to mess whit it) thanks evryone who replied
2006 Nissan Maxima SL 3.5L MIL Lamp on VIN: 1N4BA41E66
customer was supposed to drop off the car for me to replaced the bank 1 CAT, but has not had the time to do so. Trouble codes: P0420 (Cat below effeciency bank 1).
2002 Saturn L300 3.0L power steering pump VIN: 1G8JW54R22
it has been a bit of a journey, but the car is fixed. the morning after i posted this i drove the car. the bleeding had been done in the stall. upon driving the pump became noisy as the rpm's increased. called the owner and told him he needed a pump. he t...
1998 Toyota Avalon XL 3.0L a/c VIN: 4T1BF18B4W
2004 Toyota Matrix XRS 1.8L MIL Lamp on VIN: 2T1KY32E44
Thank you to everyone who contributed to this solution, especially Richard Lindwall for the picture of the 2ZZ head's exhaust ports (possibly the first one ever posted on the internet) and the Identifix tech's information. After much research, testing and con... Trouble codes: P2441 (Air Injection System Switching Valve Stuck Closed).
1997 Volkswagen Golf CL 1.8L no spark or injector pulse or rpm VIN: 3VWEK01H7V
Ok guys, this one is fixed. It was the ignition coil in the end. I want to thank all of you for taking the time to make great suugestions. George and Mike were spot on with coil-itus. Interestingly enough, without that working coil you will not see RPM on scan...
2004 Volkswagen Jetta GL 2.0L No Start, MIL Lamp on VIN: 3VWRK69M34
you guys are awesome. i am so glad i posted this before tearing into the car. with limited scan tool power (snap-on modis) and wiring diagrams (alldata) this could have been a real nightmare so i decided to PHONE A FRIEND first. it wound up being the fuel pump... Trouble codes: P1198, P1435, P1118, P1425, P0264, P0270.
2006 Volkswagen Jetta GLI 2.0L Cuts out, Wont rev over 3400 VIN: 3VWWJ71K46
Thanks for the help with this one. I have NOT fixed this one. The next step would have been for us to try a ECM reprogram and then if that didn't work, try an ECM replacement. Customer elected to drive vehicle as is for the time being and he said he would repo...
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