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Prev Professional Automotive Repair Technical Discussions for June 13, 2012
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1999 Audi A4 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: WAUGB28D4X
This car came in with dead battery and shorted out LF door window motor drawing battery down. After motor replaced and car started, idle was unstable and car would cut out and stall on acceleration. Codes returned after cleared almost right away and we replace... Trouble codes: 17967 (throttle valve control fault in basic settings), 17953 (throttle valve controller malfunction)
2000 BMW Z3 Roadster 2.5L srs VIN: WBACH9341Y
water in drivers floor area,lateral g sensor damaged,possible module failure, can a used srs module be reprogrammed to fit this vehicle or can you only use new unit?
2002 BMW X5 4.6is 4.6L fail safe mode VIN: 5UXFB93572
Hey there, this BMW came in with trans problem. it had several slippage, gear monitoring codes stored along with fault code for wheel speed signal fault for left front. previously another shop had replaced the left front wheel sensor. trans pan had never been ...
2006 BMW 525i 3.0L all windows and sunroof VIN: WBANE53556
all windows and sunroof open on there own ten minutes after vehicle is shut down,test both keys for erratic transmitter operation, no problem found, assuming possible body controller problem, any one heard of this before?
2002 Buick LeSabre Custom 3.8L 1-2, 2-3, 3-4 Shifts VIN: 1G4HP54K32
Need some guidance on this one. Vehicle has a hard shift into each gear under moderate acceleration. Data appears normal on scan tool. Checked the history files and do not see anything with this problem.
1994 Cadillac DeVille Concours 4.6L Surge, MIL Lamp on VIN: 1G6KF52Y1R
Check engine light comes on intermittently and vehicle surges and chugs. Light will then go out a short time later and vehicle will drive perfectly. Idles as if it has a misfire on one cylinder all the time. No current codes are ever listed. Only history codes... Trouble codes: P0083 (24X reference signal high), P0109 (PCM keep alive memory reset), P0052 (PCM keep alive memory reset)
2004 Cadillac SRX 3.6L MIL Lamp on VIN: 1GYDE63704
Hey guys and gals, hope everyone is doing well and staying busy!! This vehicle came to a fellow tech by way of a mutual friend. The car had a check engine light and a rattle under 2500 RPM. The customer replaced the cam sensors, but when this didn't turn off ... Trouble codes: P0008 (Engine Position Systen Performance Bank 1), P0016 (Intake Camshaft Position Correlation Bank 1), P0017 (Exhaust Camshaft Position Correlation Bank 1)
2005 Cadillac DeVille 4.6L filters VIN: 1G6KD57Y35
looking for the location of the seatback filters. i found the seat cushion filters but cant locate seatback filters for replacement. alldata does not have it in database. thank you
2007 Cadillac DTS 4.6L map lights VIN: 1G6KD57Y47
we relapced the body control module for many inoperative systems. one of the customers main complaints, is the map ligts in the overhead console and the rear passenger maps are not operational. the maps (are are controlled by the bcm as well),after programing ...
1988 Chevrolet C1500 Cheyenne 5.7L Fuel Injectors VIN: 2GCDC14KXJ
COMPLAINT: This truck came in with a driveability issue. Customer stated that it would run fine for awhile and then cut out and even died a couple of times. FINDINGS: After our test drive, in which the truck did cut out once, we scanned for codes and found a ...
1992 Chevrolet K1500 Cheyenne 5.7L tramsmission VIN: 1GCEK14K4N
truck is actually a 1998 but i diddn't have the vin for this vehicule but averything else is the same, 4x4, transmission came in leaking found leaking from little vent hose that comes back and goes off the sidde of the transmission, was wondering what causes t...
2001 Chevrolet Tracker LT 2.5L Cuts out VIN: 2CNBE63431
Hello again! I have this Tracker here, and it need a mass air sensor. My question is does anybody know if there is any other way to obtain one without going to the dealer? Dealer unit is over a thousand $$, and this poor lady just can't afford that. I have rea...
2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23123
truck came in two months ago with crank no start,batteries were low and turned over very slow. charged batteries and truck started,had isterment cluster codes various u codes glow plug codes and p0370 high resolution circuit malfunction and p1550 fuel injector... Trouble codes: P0370, P1550
2005 Chevrolet Tahoe LS 5.3L Shifting VIN: 1GNEK13Z85
Fellow techs, I have a ex- game warden Tahoe in the shop that will not up shift under any load, fluid was pretty bad so we flushed the trans and problem still exists. It will shift on its own when its run on the lift however while driving it will not up shift ...
2005 Chrysler Town & Country (Van) LX 3.8L Missing VIN: ZCBGP54L85
Had codes for cylinder #2 misfire and the misfire counts only on cylinder 2 its not a constant miss and you cant feel it driving has slight rough idle. I think its a intermittent sticking valve causing this issue due to vacc gauge readings. Also there is a cli...
1998 Dodge Ram 1500 Truck 5.9L wipers
Wipers turn on when turn signal is activated. Wipers turn on when headlights are turned on. I notice when Fog lamp circuit 2 relay is removed and the headlights are turned on the wipers remain off however when I activate the turn signal it goes right on with t...
2000 Dodge Grand Caravan 3.3L Mechanical VIN: 2B4GP24R6Y
I bought a 2000 Dodge Grand Caravan base with a 3.3 liter engine and 4LTE transmission. The van was purchased with a bad transmission. The transmission was making a high pitched noise which I assumed was due to a busted up gear train. I pulled the transmission...
2000 Dodge Ram 2500 Truck 5.9L Cuts out, Stall VIN: 1B7KC2363Y
Came in for lack of fuel pressure. This is the second time in 6 months, and we have already warrantied one lift pump, which I now suspect was good. Vehicle starts and runs normally, but loses supply fuel pressure (15psi) after approximately 15 seconds (and slo... Trouble codes: P0230 (Fuel transfer/lift pump circuit problem)
1999 Ford Mustang SVT Cobra 4.6L oil,clatter VIN: 1FAFP46V4X
first time i have seen one of these big engines,wanted some advice before i get in over my head. when started has short clatter noise for a second than quiet.smokes a lot!! runs good.customer just bought this at auction and swears it never smoked or made noise...
2000 Ford Focus Sony Limited Edition 2.0L No Start, Misfire VIN: 1FAHP3631Y
Hi, this problem child came to me after a few have tried to get it running. The owner actually replaced the ignition coil after having the car die and the car ran for a few minutes and died again. I got the car because they could not diagnose the problem and t...
2001 Ford F-350 Super Duty XL 6.8L Power steering VIN: 1FTSF31S21
Hope someone can help with this problem. I have a truck that has an intermittent hard steering problem when coming out of turns. It doesn't feel like you loose power steering completely, its just harder to turn the wheel. The steering wheel also does not self ...
2003 Ford Focus SE 2.3L MIL Lamp on VIN: 1FAFP34Z53
Hi guys i have this 2003 ford focus 2.3 . Code p2004 intake runner control stuck open . I change both valve under the throttle body .both solenoid check hoses. Same code replace ecm . Code comes back . Need some help guy.
2004 Ford F-350 Super Duty King Ranch 6.0L brake/turn sinals VIN: 1FTWW33PX4
sorry guys its so intermittent im pulling out my hair
2006 Ford Ranger XLT 3.0L Battery Drain VIN: 1FTYR14U66
ATTN FORD GUYS! I could really use your help with this one. Vehicle came in with a complaint of a dead battery after 3 days of sitting. Installed new battery and checked for parasitic draw. I followed the parasitic draw test procedures as per Identifix (put a...
2007 Ford Fusion SE 2.3L Shift Solenoid E VIN: 3FAHP07Z07
We installed a rebuilt tranny from a local builder and have been getting a code P0771(sol.E stuck off). This solenoid is new. After getting this code I pulled the pan and swapped sol.E & D to see if the new solenoid was acting up. The code was the same. The va...
2004 GMC Envoy XUV SLT 4.2L Rear Gate Glass VIN: 1GKET12S14
I have this Envoy XUV that the rear gate glass will not go up with the switches. I have the "check manual- tailgat" message displayed on the dic. Here is what I know: All latches show closed on the scanner. The regulator is good, I can manually make it go up ...
1993 Honda Civic DX 1.5L Compressor VIN: 2HGEH2361P
This car has driven me absolutely insane. It came in for a simple retrofit last summer. We did the retrofit, it was in the 90's, but the output temp never gets below the 60's. Customer took the car for the summer and came back this week, still having the probl...
1998 Honda Accord LX 2.3L Ecm VIN: 1HGCG5541W
Greetings! Diagnosed P0135 - Sensor resistance was ng - replaced. New sensor - resistance ok; CEL returns - run through diagnostic tree and reached that dreaded spot: Substitute known good ecm. It appears to me that an ecm for this car must be programmed only ... Trouble codes: P0135 (Front o2 heater)
1996 Hyundai Accent 1.5L failsafe mode 3 gear VIN: KMHVD14N1T
1995 Jaguar XJ6 4.0L Headlights VIN: SAJHX1746S
Does anyone know how to enable Daytime Running Lights on this US-spec XJ6? I have a Jaguar WDS, which recognized the VIN, and went to Dealer Options but DRL was not listed. Configure Existing Modules also offered no such option. If not programmable, is there a...
2000 Jaguar XK8 4.0L Quarter glass VIN: SAJJA42C1Y
Has anyone replaced a window regulator for a quarter glass on an XK8 convertible? JTIS says convertible top must be removed as an initial step. Is this necessary or is there a short-cut? I hate to ask for how-to instructions but I'll send this to a trim shop o...
2001 Mercedes-Benz C320 3.2L hard start VIN: WDBRF64J71
This vehicle takes a long time to start up, after about 30 seconds fuel pressure builds up enough to start. Fuel pressure 44psi running. When shut down fuel pressure drops to 0psi in less than 30 secs. I know there is a TSB for long crank AFTER fule filter cha...
2005 Mercedes-Benz E320 CDI 3.2L No Start VIN: WDBUF26J15
Hello All, I need some assistance diagnosing this CDI. Car came in on the hook as a no start. Owner was driving at highway speed and Mil came on and car died. Scanned for codes and found fuel pressure codes, I hooked a guage to the lines at the filter and c... Trouble codes: 2047 (Rail pressure monitoring via volume control valve-Rail pressure too low), 2051 (Rail pressure monitoring via pressure control valve-Maximum rail pressure exceeded)
1984 Mercury Grand Marquis 5.0L Surge, Misfire VIN: 2MEBP95F3E
This vehicle has a very mild surge while driving, idle is perfect and steady. It is definitely not a buck, nor is it a smooth surge, almost like individual misfires. I have not figured out a way to put a gas analyzer on it while driving, of course, but we cann...
1996 Mercury Villager (Van) GS 3.0L driver side front caliper VIN: 4M2DV11W0T
what could cause the front driver side caliper to lock up?
2011 Mini Cooper Countryman S ALL4 1.6L Cuts out VIN: WMWZC5C53B
Hi all, this vehicle has some unique circumstances. It was purchased new as a development vehicle. We bought it and installed a new center coupling (our prototype design) which we control through our own software. In the process we removed the passenger air ba... Trouble codes: P0324, P335, P0073
2001 Mitsubishi Eclipse GT 3.0L ignition VIN: 4A3AC84H71
Well here it goes i have a problem child 2001 eclipse customer brought it to me car would heat up and would not accelerate and would misfire badly. i checked for codes had a few p0155 o2 sensor, p1400 manifold diff pressure sensor, p0403 egr solenoid, p1603 ba...
2005 Mitsubishi Eclipse Spyder GTS 3.0L rattle VIN: 4A3AE75H75
I've put about 900 miles on this car since I bought it, and its always had a timing belt tensioner rattle only after sitting for several hours, even after I replaced the tensioner the first time. 3 days ago I did a new tensioner, my pulleys were good so I left...
1996 Nissan Maxima GLE 3.0L no crank VIN: JN1CA21D9T
Hi Guys My name is Mike have this maxima that will not crank. I have no power to starter Bl/R wire in crank position. I have power to theft warning relay. I have power to Gr/R wire and ground at Gr/o wire for the Inhibitor relay. I have no power at the Bl/w wi...
2001 Nissan Pathfinder LE 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: JN8DR09Y01
Need a little help on this, not as familiar with nissan, much appreciated!!Customer concern of rough running, has gotten worse, verified concern but feels alot like a lack of power rather than rough running... Scanned system , pulled code p1320, also checked t... Trouble codes: P1320
2003 Nissan Frontier XE 3.3L Hesitation VIN: 1NGED29Y13
vehicle came in with complaint of low power and stumble. have these codes. removed right side converter and inspected, manifold for clogged converter, looks ok, right side is bank one on this engine right? also i'd seen prior posts about if the bank has 100% f... Trouble codes: P0420, P0328
2004 Nissan Sentra 1.8L Poor Idle Quality, Hesitation VIN: JN1DB04T84
Vehicle came from another garage who fitted a new MAF sensor trying to fix fault, i checked vehicle over and at idle cold was a little rough, when warm fine. while driving felt flat and hesitant and wouldnt rev and often pinging wasnt sure if it was across the...
2001 Pontiac Grand Am SE 3.4L Ignition Fuse VIN: 1G2NF52E41
After car warms put in drive try to take off blows 40 amp mega fuse for ignition-never dies in park. Have checked system for shorted wire nothing found-checked bottom of fuse box nothing found dont know where else to look any ideas
1988 Toyota Pickup 2.4L Surge VIN: JT5RN55T3J
Thank advance to all iatn tech, this truck give me problem. owner brought in with surge or jump only in 1 gear when accel. 2 gear run normal. check fuel normal, check timing normal, o2 new. disconnect egr hose still surge or jump in first gear when accel. did...
1995 Toyota Tacoma DLX 2.4L Hesitation, Misfire VIN: 4TAUN53B5S
This truck is driving me up a wall! Vehicle originally came in with a complaint of a low/rough idle and stalling at stops. Test drove and verified, ran great down the road with a very intermittent hiccup(misfire) under very heavy load. At idle would get low an...
1999 Toyota 4Runner Limited 3.4L Power door locks VIN: JT3HN87R1X
I have a 1999 Toyota 4 Runner that has a problem with the door locks stop working after a few cycles then work fine after sitting a few seconds. The drivers door lock seems to be effected first and then the passenger front door and then rear doors follow. They...
2001 Toyota Prius 1.5L No Start VIN: JT2BK12U51
I do not know much about the prius so any help will be great this car came in running but would not move when on lift tires would go but lots of noise from trans axel so sold customer new trany but i did not put in did not have any training on hybrd so farmed ... Trouble codes: C1515, C1241, C1259, P3000, P3030
2004 Toyota Prius 1.5L Abs VIN: JTDKB22U24
We have this Prius with codes c1256 accumulator low pressure and c1391 abnormal leak of acc pressure. We made the diagnostic flow chart and the result is to replace the skid control ECU. The problem in vehicle itís intermittent and apparently thereís no mayor ...
2010 Toyota Prius 1.8L Windows VIN: JTDKN3DUXA
Got a Prius here from a body shop they replaced both right doors. After replacement power windows work fine from respective door switches but from master switch the front switch operates the r\r and the rear switch operates the r\f. They are multiplex wired. I...
1996 Volvo 850 GLT 2.4L Hesitation, MIL Lamp on VIN: YV1LS5549T
Hello, I have this Volvo that has come in with an extremely intermittent hesitation/stumble and MIL is on, has O2 codes as listed. At this time I cannot duplicate any driveability concern. Upstream O2 seems to be switching. Adaptives are around zero, even on f... Trouble codes: P0133 (B1s1 slow response), P0140 (B1s2), P0136 (B1s2)
2004 Volvo C70 2.4L Ignition Key VIN: YV1NC63D14
Greetings to all have this volvo that the ignition key will not return to lock position so the key cannot be removed.the shifter is in park and the trans itself is also in park.i was wondering if some one has seen this before i started to remove center console...
2004 Volvo V70 R 2.5L No Start, Electrically dead VIN: YV1SJ52Y64
Volvo gurus, Car arrived on the hook, electrically dead. Power at battery and jump point. Did the key in door lock procedure (hold lock 5 sec, unlock 5 sec, lock 5 sec, unlock 5 sec). Had some IP (instrument panel) functionality that would go away, some relay... Trouble codes: ECM30, CEM1D, CEM1D, D1ME0, CEM1A, CEM1A

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Buick Riviera 3.8L Brake pedal VIN: 1G4GD2218T
Again, wow on the amount of replies. Yes master cylinder replacement got the brakes back to normal. Just make sure you bench bleed the master good first. Thanks to all take care. Brake pressure tester? People actually use that in the flat rate field? If ...
1999 Buick Park Avenue 3.8L Circuit 1807
Thank you for all of the advise. Took a look at all suggestions. Tried another BCM. Tested and found high resistance in the vehicle theft module. Replaced the vehicle theft module. Still no communication. The only problem that exists is the air bag light is on...
2004 Cadillac SRX 3.6L Starting VIN: 1GYEE63714
tried another computer and same thing got tired and had customer take to dealer but till this day dealer has not figured it out either makes me feel better but will update when i find out the fix
2005 Chevrolet Trailblazer LS 4.2L head lights VIN: 1GNDT13S55
I won't to thank every one for helping me. the #46 relay was the reason. It seamed like everyone knew that but me.And the customer said thanks.Thanks & may God bless you always. Charles
2005 Chevrolet Colorado Z85 2.8L starter VIN: 1GCCS14825
Main promblem tech error but not first or last. David from Missouri said it best working on grandpa's truck. Craig from Michigan made me think about what I was doing wrong. I was trying to diag. using cruise switch. Went back look farther up the clutch pedal f...
2005 Chevrolet Silverado 2500 HD 6.6L Cooling Systems
Iput the pressure tester on it and it built up about 22 pounds of pressure in less then 5 mins looks the heads or coming off this will be the frist set of these ive done any help on the removal is welcome
2001 Chrysler Town & Country (Van) LX 3.3L Cuts out
customer has decided not to repair the van due to the cost, mileage and mainly because its so rusted out. i had alot of good advice from everyone, i think the problem is probably a cracked flywheel because when running it with the inspection cover off the fly... Trouble codes: P1391.
2010 Chrysler Town & Country (Van) Touring 3.8L rear calipers VIN: 2A4RR5D14A
thank you all for your replies. the techs that suggested backing out the pistons manually were on the money with this vehicle. i ended up removing the parking brake hardware, i believe it was one 13mm nut and one t30 bolt, so i could slide the caliper assembly...
2004 Dodge Sprinter 2500 2.7L No Start VIN: WD5PD74494
2001 Ford Focus LX 2.0L Starting VIN: 1FAFP33P31
thanks for all the help it had code b 1600 stored turned out customer lost the keys and had none transponder keys i told them that from the begening to , they said that key worked three days ago they got a new key from ford and it started.
2001 Ford Focus ZX3 2.0L ignition key VIN: 3FAFP31331
Great responses most of which said just get a Ford cylinder and code to the key. I paid ford to code the key as measurements i took where very spotty. Results turned out good. Thanks for the advise. It made the process a lot easier!
2002 Ford Mustang 3.8L Temp gauge goes in the red, sets a p1285 code VIN: 1FAFP44422
Ok this car is gone. After checking everything, I came down to the need to pull the heads. At this time the custamer has declined pulling the heads, so it is NOT repaired. I am still having a hard time believing that the head gasket is blown. But after testi...
2003 Ford F-250 Super Duty XLT 6.0L Hesitation, Misfire VIN: 1FTNX21P03
Misfires on these trucks are most commonly caused by injector problems (both mechanical or electrical), and occasionally a wiring harness problem (injector harness). In this case, the check valve in the high pressure oil manifold atop the injectors had a piec... Trouble codes: P0284 (Cyl 8 Contribution Fault).
2007 Ford Expedition EL XLT 5.4L Charging VIN: 1FMFK16517
Replies suggested possible battery or alternator problem. I called the customer and he only had one more instance briefly of a problem and now the problem has ceased by itself. So no, I didnt really didnt fix it but it seems to have repaired itself. Customer w...
2000 GMC C3500 Sierra SL 7.4L Electronic VIN: 1GTHC33J9Y
thank you all who took time to offer help. the fix was indeed the pcm replacement. the internal fault detection ckt had failed causing a "false" dtc to set. the falling out of gear in 4th hot was sent back to the trans shop for warranty. suspect a loss of...
1995 Honda Accord EX 2.2L rear beam VIN: 1HGCD5551S
Thanks to the five techs that responded to my request. Special thanks go to Ward (Saskatchewan) and Bart (MA)with his Honda experience. You added immeasurably to my level of comfort with the beam drop for access. The beam bolts came out easily and were very ...
2002 Jeep Liberty Sport 3.7L Engine VIN: 1J4GL48K52
1998 Lincoln Town Car Signature 4.6L No Start VIN: 1LNFM82W4W
Thanks guys! all replies were good, but 4 of you hit the nail on the head. Found a used cluster and installed. towed to Ford for reflash and she cranked! BUT...that was the start of the fix. towed back to shop, unhooked, and I've got abs, battery and brake lig... Trouble codes: U1352 (Ignition switch/key), B1620 (Pats).
1999 Nissan Maxima GXE 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Well a replacement salvage engine fixed this one. Seems that all that cranking and starting with the original bad injectors that were flooding the engine to the point of locking bent a few valves. Cheaper to replace the engine than to repair. Thanks to all. Trouble codes: P1320.
2000 Nissan Xterra SE 3.3L Cuts out, Misfire
I appreciate the input about tapping on the MAF sensor, valve timing issues, and looking under the distributor cap (down-inside the distributor)for bearing particles. We replaced the spark plugs and wires... and the problem has not occurred since. The vehicle ...
2006 Pontiac G6 GTP 3.9L Surge VIN: 1G2ZM55146
Got vehicle back in, went over all scan data and basics again, only thing found was the actual camshaft position vs. the commanded position weren't the same, actual was bouncing all over as vehicle was surging. Tested solenoid, resistance reading is very sligh...
1998 Subaru Legacy Outback 2.5L Unknown VIN: 4S3BG6853W
put fuse in FWD receptacle and the shimmy went away. this is the bosses car so he opted to add a bottle of lubegard and a tube of shudder fix to the transmission and the shimmy went away in AWD mode. thanks for the replies!
2005 Subaru Forester XS L.L. Bean Edition 2.5L Hesitation, Stall VIN: JF1SG67675
It was the APP sensor (Accelerator Pedal Position). The consensus was that this was the problem. Arthur from new jersey, jody from virginia, larry from virginia, matthew from nevada,William from wisconsin and yvan from Quebec all had the answer. Larry was kind... Trouble codes: P2139.
2006 Toyota Prius 1.5L HV Battery VIN: JTDKB22U46
Replaced HV Battery with used unit. All battery blocks were within .1 of a volt on replacement battery. Reset fault codes, no further issues. Most have said P0A80 = new battery but i recommend taking it alittle further. Monitor the battery blocks for min/max...
2000 Volkswagen Jetta GLS 2.0L Draw VIN: 3VWSC29M1Y
Well it is Radio. I could never see the draw on the meter. Having no real idea of where the draw was coming, I just started disconnecting stuff and leaving over night. Alternator unplugged , not the problem. Pulled the radio fuses disconnected -bingo. Given t...
2001 Volkswagen Beetle Sport 1.8L Hesitation, Surge VIN: 3VWED21C71
Hey guys, thanks for all the great posts. This beetle from hell ended up needing an N75 (VW speak for a wastegate control valve). The reason I was going crazy on this one was because; 1. I didn't have ANY trouble codes. 2. The throttle was opening and closing ...
2006 Volkswagen Golf GLS TDI 1.9L Poor Idle Quality, Misfire VIN: 9BWGR61J66
This one is fixed!!! Robert from Oregon hit the nail on the head. Bad dual mass flywheel. We had to cut away enough metal on the old unit to get at the flywheel bolts. Clutch release bearing was noisy anyway so we put in a solid flywheel clutch kit and elimin...
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