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Prev Professional Automotive Repair Technical Discussions for August 12, 2013
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2001 Audi Allroad Quattro 2.7L Misfire, MIL Lamp on VIN: WAUYP64B11
Vehicle came in with above faults, problem only present under load. Revving in neutral no problem, light acceleration no problem, only under a load it will start missing badly. Cleared faults, swapped coils and plugs, (plugs recent new) with no change in perfo... Trouble codes: P0300, P0306, P1454, P0304
2007 BMW M6 5.0L Abs/Traction Control VIN: WBSEH935X7
Good evening BMW technicians everywhere.This M6 was brought to me from another shop with the abs/traction control light on,scanned for codes and got a code 5df0,5df1,hydraulic unit pump motor and hydraulic unit pump motor connector faulty.With the gt1 i try to...
2008 BMW 650i 4.8L MIL Lamp on VIN: WBAEB53548
Hello all. On this very clean 650, I replaced valve cover gaskets and timing covers for minor oil leak. I did not scan before starting the job. Car sets hard code for timing being off one tooth. Removed valve cover on passenger side and checked timing. Spot on... Trouble codes: 2A90, P0017 (Exhaust camshaft tooth offset to crankshaft)
2000 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K9Y
Hello everyone, got one here that might be simple. The customer came in complaining of a stall issue and engine cranks over but not starting(one time occurrence). Having not be able to duplicate the condition, she agreed to try installing a crank sensor due to...
2008 Cadillac Escalade 6.2L MIL Lamp on VIN: 1GYFK63888
Hello Fellow Techs. I need help and advise how to get the system variation learn with Tech2 Scanner, I will be appreciate with all help and support. I have been used Tech2 Scanner try few times to get the system variation learn for this Escalade after replace ... Trouble codes: P0315 (Crank position sensor)
1994 Chevrolet Camaro Z28 5.7L No Start, Stall, Intermittent VIN: 2G1FP22P6R
We have lost our butt and now are losing our minds on this one. No good can come from this as the customer is mad as a hornet as we've had this car for 8 weeks. (4 weeks longer than planned). Car was driven in, complaint of engine cutting out at times and ru... Trouble codes: 16 (OPTI-SPARK Ignition Timing System Low Resolution Pulse), 36 (OPTI-SPARK Ign. Timing System Faulty Hi Res. Pulse or Extra Low Res. Pulse detected)
2003 Chevrolet Monte Carlo LS 3.4L Start VIN: 2G1WW12E93
Car came in for intermittent no crank. No current codes. History codes B1440, B2960, B2964, B3128. Have Launch Daigun scan tool. Cranked car numerous times and started every time. did set B2960 back into history one time. Also, seems to be a delayed crank ofte...
2004 Chevrolet Corvette 5.7L ABS Module VIN: 1G1YY32G24
ABS & Traction Lights On. Code C1232 Present. Checked LF Hub. Broken Wire. Replaced Hub. Cleared Code. Started On Test Drive Code C1232 Came Back But Only In History. Clear Code, Recheck Before Moving Car Code Gone. Start Driving Car And Within A Few Feet Ligh...
2006 Chevrolet Colorado LT 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GCCS19636
Have a 2006 Chevy Colorado that is in REDUCED POWER mode and we have already changed the throttle body, the ECM, the wiring harness, and have even changed the engine with the update already done to the head and the truck is still showing REDUCED POWER. Code #'... Trouble codes: P0122, P0222
2006 Chevrolet Cobalt LS 2.2L Generator VIN: 1G1AK15F96
replaced generator, replaced PCM, still no 4.5 -5.5v signal from PCM, signal to charge from PCM only 2V and going down, checked wires PCM to generator_OK, also have code P0621
2007 Chevrolet Tahoe LTZ 5.3L Calipers VIN: 1GNFK13047
Hey all, Got this Tahoe in for a braking problem. The issue is the brakes lock up after 10 min of driving. After the ten minutes, a wait for a tow truck, and a tow, the car will literally drive off the flatbed. So after it cools down, the brakes are no longer...
2007 Chevrolet Suburban 1500 LS 5.3L A/C Air Temp Out Left Vents VIN: 1GNFC16067
I got this vehicle because the other shop only does maintenance service to a/c systems. I recovered 2.43 lbs. Freon & it holds 3.0 lbs. for the front & rear system. Rechecked the system on medium hi fan speed, recerulate, both temperature controls to full cold...
2001 Chrysler Sebring LXi Limited 2.7L battery VIN: 1C3EL65U21
This vehicle came to the shop with the customer complaint of constantly having to jump start the car. After charging and changing the battery (load test failed), we ran a check on the alternator and did a parasytic draw test which yielded no more than 20 milli...
2002 Dodge Dakota Sport 3.9L MIL Lamp on VIN: 1B7HG38X02
I'm hoping someone can point me in the right direction. This Dakota keeps setting a p0441 every two to three weeks. All the above parts have been replaced with O.E. parts. It's been smoked tested everyway possible as well. No leaks found at any time. It WILL p... Trouble codes: P0441
2003 Dodge Grand Caravan Sport 3.3L Misfire VIN: 2D4GP443X3
I've checked voltage to the injector, and also check the ground circuit from the injector to the PCM. I have 14.4 volts while running, but a noid light will not flash. The wire from the injector connector to the PCM is good, and the 2 wires are not shorted tog... Trouble codes: P0206
2005 Dodge Ram 1500 ST 4.7L Mode door, temp door VIN: 1D7HA18NX5
The A/C LED indicator and the Defrost LED indicator are both flashing continually anytime the ignition switch is on. The a/c compressor comes on and the suction line is getting cold but the control head will not direct the temp door actuator or the mode door a...
1998 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTRX08L6W
Thanks in advance...got an odd on here. Customer complained of a rough run. All codes indicate lean exhaust both banks. O2's were sluggish so we replaced them and now it has same problem but runs worse! problem only at idle. Bank to will clock around pos 22 at... Trouble codes: P0136, P0156, P0171, P0174, P1131, P1151
1999 Ford F-350 Super Duty Lariat 7.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1FTWW32F0X
Vehicle towed in. Stalled on highway would not restart. Went out vehicle fired right up. Scanned for DTC's only code present was P0340 Cam Sensor Circuit. Replaced Cam Sensor inspected harness. Vehicle started drop around city block no power, rough idle, loud ... Trouble codes: P0340
2000 Ford Focus ZX3 2.0L Stall VIN: 3FAHP3131Y
Ok ford techs i hope your smarter then the ford techs at my local ford dealer..this car will stall intermittenly when you put it into gear. Idle speed is around 750 but when you put it into gear idle increases to 1000 then stalls. Have replaced pvc hose iac pl...
2005 Ford F-250 Super Duty King Ranch 6.0L fuel presure regulator VIN: 1FTSW21P15
hello techs have a 2005 ford f250 6.0 diesel that is leaking diesel from the side of the fuel filter housing ..fuel presure regulator, i am going to change the o-rings and the two fuel filters..what is the best way to get the regulator out, also do the housing...
2007 Ford Escape XLT 3.0L brake performace, and module communication VIN: 1FMYU03167
Original complaint was of a clunk noise on hard braking only. Duplicated problem immediately in the parking lot. Inspected all rear suspension and brakes for shifting, looseness or broken parts. No problem found. Took for a longer test drive and noticed it was...
2009 Ford Edge SEL 3.5L Mechanical VIN: 2FMDK38C29
anyone has experience in checking the cam advance solenoid? we think code p0013 is related because failure on p0011. thank you for your reading, and any opinion on these.
1997 GMC Jimmy SL 4.3L Fuel Gauge VIN: 1GKDT13W4V
This one has me scratching my head, guys and gals: This is one where the customer installed an alternator, on a Thursday, it got towed here on a Monday, after it quit charging, again. Diagnostics led to a failed Alternator. I replaced failed alternator with a...
2002 GMC Sierra 2500 HD SL 6.6L compressor VIN: 1GTHK23162
I have not come encountered this before, hopefully someone has some insight. The customer concern is that the A/C system will stop working intermittently. We have been able to duplicate this one time only. During our initial inspection we noted that the A/C sy...
2007 GMC Sierra 1500 SLT 5.3L Accessories VIN: 2GTEK19J97
hey guys 07 sierra fuel gaugeeads empty all times the crazy thing is the low fuel ligh goes on when u first start it i have a code for fuel level sensor i installed one same thing any suggestions would help
2002 Honda Civic LX 1.7L immobilizer VIN: 1HGES16552
Vehicle came in with no start condition. No codes either will crank over. Has good battery voltage. It is for sure an immobilizer issue though. The key/immobilizer light never comes on. Grounded the wire for the immobilizer light at the receiver and it comes o...
1995 Jeep Wrangler Rio Grande 2.5L No Start VIN: 1J4FY19PXS
Any Jeep guys I could really use your help. This is the wife's new (to her) Jeep. She drove to the store shut it off and it wouldn't start so she towed it home with AAA. I got home, it had no fuel pressure but the relay was engaging and 12 volts at the pump. I... Trouble codes: 12 (Direct battery input to PCM was disconnected within the last 50 key-on cycles), 33 (An open or shorted condition detected in the A/C clutch relay circuit.), 54 (No fuel sync camshaft signal detected during engine cranking), 55 (Completion of diagnostic trouble code display on the malfunction indicator lamp check engine lamp.)
1997 Land Rover Range Rover SE 4.0L thrust bearing VIN: SALPV1240V
Hi We took on a engine reseal . When it was torn down , it had bad crank bearings . So I checked around and found over sized bearings for the crank . Had the crank ground , went to install the thrust bearing and it would not fit over the main web in the block...
2003 Mazda Protege5 2.0L Charging VIN: JM1BJ24563
Customer brought in the vehicle with concerns about excessive battery corrosion, burning out both low beam bulbs simultaneously, and a voltage reading, at the battery with the car running, of 17.8 vdc. I installed customer-supplied new remanufactured alternat...
2007 Mazda 3 S 2.3L Vvt Actuator VIN: JM1BK34L67
Replacing vvt actuator and after removing old one found that you need to mark old actuator in relation to the cam. Since I did not mark it I need information on how to install the actuator on the cam without marking it
1998 Mercedes-Benz CLK320 3.2L No Start VIN: WDBLJ65G2W
This car will not start or is very difficult to start after sitting overnight. If it starts it will run on a few cylinders long enough to set missfire codes and will finally clear up after 2 or 3 minutes. Then you can clear the code and it starts and runs grea...
2001 Mercedes-Benz CL500 5.0L Trunk VIN: WDBPJ75J11
Car came in with trunk wont open, front fuses are okay, i cant open the trunk even with the remote or the key, i try open it with sds scan tools no luck, full scan the system no codes found. I removed the rear seats to see if i can get an access, but no luck, ...
2003 Mercedes-Benz C240 2.6L no low psi siginal VIN: WDBRF61J33
Hey all happy Monday in benz land (yea right)Thank you all in advance for any and all help offered!!! A/C inop 1)evac and recharge 1.7 spec pulled out 1.2lbs charged at 1.7 lbs still no ac 2)pulled codes B1205 system low psi 3)installed factory low psi ...
2010 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on VIN: WDPPF4CC3A
Hi guys. Need help on the code.we had this truck last week with low boost code and code listed below. Took care the low boost issue but could not find any info on p106200 code. Sprinter teckinfo website has code listed but no description what so ever.called me... Trouble codes: P1062, P7000, P7010
2003 Mercury Marauder 4.6L No Start, Hesitation, Cuts out, Misfire VIN: 2MEHM75V33
car miss fires under load and boggs down when trying to drive and has no power when driving also hard to start after sitting. engine also smokes sometimes from tailpipe
2005 Pontiac Grand Prix GTP 3.8L engine VIN: 2G2WR52455
on cold start up engine surges and runs rich. after a minute or two runs fine. fuel trims are still a little rich but not nothing the computer cant compinsate for. it eventually sets a p0068 map/mass corrilation code.cleaned throttle body replaced mass airflow...
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, MIL Lamp on VIN: YS3FB49S03
Vehicle came in with overheating complaint but running normally. Found a failed cooling fan and a blown head gasket. Replaced the cooling fan and the head gasket. Had the head resurfaced and the valves checked by the machine shop. Installed head and set cam ti... Trouble codes: P0300 (random multiple misfire)
2008 Saab 9-3 2.0T 2.0L rear turn signal VIN: YS3FB49Y18
2008 Saab 9-3 2.0t came in with Right Rear tail light in-op. Tech found tail light wiring harness and circuit board melted. Replaced harness and circuit board. After repair all other tail lights are working except right rear turn signal. There is no signal at...
2002 Subaru Impreza WRX 2.0L Engine VIN: JF1GD29642
I am hoping for some help from someone that knows more about Subaru engines than I do. This car came to us not running and part of the way disassembled. Customer brought a new 2.5l short block in the crate still from the dealer. The original engine was a 2.0 t...
1990 Toyota Corolla GTS 1.6L ignition VIN: JT2AE98C1L
Alldata having issues taking my credit card info to look up diagnostic and ohm/volt readings for two pickups in distributor and igniter readings. Please provide into. Also, wiring diagram from igniter to ignition/ecu is helpful. No spark and rotor in distrib...
1998 Toyota RAV4 2.0L transfer case, differential VIN: JT3HP10VXW
Well this one has become a thorn. Previous history aside, its originally came in for this loud knocking sound, coming from the rear of the vehicle. Sitting in the back seat you can hear it under you, but to feel it you cant tell side to side. which eventually ...
1977 Volkswagen Transporter Campmobile 2.0L Coil VIN: 2372118024
Can not find power on black wire to coil, fuses check out good, Mitchell says power to coil comes straight from fuses(just not which on!!!) Van sat for a week waiting on sensor, now when i jumper power to the coil, van sounds like it has no oil pressure(but li...
1993 Volkswagen EuroVan MV 2.5L Excessive Emissions VIN: WV2MD070XP
Car failed the CA 2 speed smog test at 2500 rpm. O2 sensor switches (slowly) at idle. As you raise the rpm the O2 goes to .85 V fixed, tail pipe rises as well. We are thinking MAP sensor in ECM has failed but are unable to confirm it as the 'block' numbers sho...
2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge, Misfire VIN: WVWMA23B1Y
Customer complaining that the SES light is on, car stalls sometimes and running really bad when first started. Pulled the listed codes. Started car and when AIR pump is running the idle surges, there is what sounds like small backfiring in the air cleaner, and... Trouble codes: P0134 (O2 sensor bank 1 sensor 1 no activity), P3003, P0411 (Secondary air injection incorrect flow detected), P1136 (Fuel trim bank 1 too lean), P1545 (Throttle valve controller malfunction)
2001 Volkswagen Passat GLS 1.8L Mechanical VIN: WVWPD63B91
ENGINE IS SMOKING and a strange smell not your typical oil or coolant smell. worst when first started. Took compression and #2 is about 25 lbs lower than the rest of them wich are 175lbs and i could see smoke seeping out of the hole. i'm leaning toward a turbo...
2006 Volkswagen Jetta GLI 2.0L Cuts out, Wont rev over 3400 VIN: 3VWWJ71K46
Battery went dead, customer changed battery and had throttle adaptation done elsewhere. Vehicle will NOT rev over about 3400 RPMS. Checked ALL data and no issues found. Performed throttle adaptation several times - no change. ECM is commanding throttle closed ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A6 Quattro 2.8L Cooling Systems VIN: WAUBA24B3X
Morning all, Sorry it took so long to close, its crazy busy lately. We ended up replacing the thermostat, water pump, and timing belt. customer put about a hundred miles and everything is working ok. Thanks for all your help Steve [...]
1994 BMW 740i 4.0L chargelight VIN: WBAGF21090
As usual, this group was a big help. Nicolas from Mexico sent me this link to non-US BMW diagrams: and Dan from Ontario sent me this one: Most of the other repli...
1999 Chevrolet Astro 4.3L Excessive Emissions VIN: 1GCDM19W2X
Thanks all of you guys.The next day after I ask for help customer pick up the car.I have no more information .Thanks again.
2001 Chrysler PT Cruiser 2.4L second gear VIN: 3C8FY4BB81
I got a few vendor names for possible parts for this little transmission: it seems that not many actually work on them these days. Some were confused, thinking it has synchronizers, but first and second gear have none. Some suggested fluid change. The customer...
2002 Dodge Dakota 3.9L lacks power warm
thanks tcc sticking replaced all good in od on accel now Trouble codes: 1 (interm cyl3 misfire).
2003 Dodge Ram 1500 Laramie 4.7L Surge, Misfire VIN: 1D7HA16N13
Still have the truck on my lot. Will close this post & re-post with more information later today. Trouble codes: 79 (unkown code in transmission).
1996 Ford Ranger Splash 3.0L Engine VIN: 1FTCR14U4T
Well this vehicle kick us. Found some of the replies helpful. Removed the head and valves and found the valve seats smashed. Took to a local machine shop and they rebuilt the head with new seats. the noise was still there. Checked the cam synchronizer, and it ...
1998 Ford Ranger Splash 3.0L Poor Idle Quality, High idle VIN: 1FTYR11U5W
The update: Things we did in chronological order: 1.Tested IAC zero reading on scanner, which meant it was working (fully closed) 2.Checked fuel trims (- 8.2 to -.5 on both banks, short and long term) running lean, computer trying to fix a...
2001 Ford F-250 Super Duty Lariat 6.8L radiator VIN: 1FTNX21S51
thanks for your help i disconnected battery and found that the battery had been sweating and had aprox a 7volt draw to ground on block with both cables disconnected / replaced battery cleaned battery tray and flushed with lots of fresh water,rechecked charging...
2005 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU73E25
Thanks for all the help was able to fix this one by rerouting the vent valve hose. Put a low spot before the valve and put a small hole in it to let water out. Not sure how water was getting in but my guess is pressure washer around the gas cap area. anyway th... Trouble codes: P0442.
2006 GMC C5500 Topkick C5U042 6.6L Hesitation, MIL Lamp on VIN: 1GDE5C3256
well I got the truck while it was doing it and I just happen to look at the balance rates cylinder 2 and 5 were 3.2-3.8 so I chanced 2 fuel injectors so far the truck has been running its route for 2 days and all is well man this truck was a disaster I couldn'... Trouble codes: P0087.
2008 GMC Acadia SLT 3.6L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, raw fuel into exhaus
vehicle towed out of here it was towed to our sister shop as manager sent it up to other shop felt i was too busy. I was going to swap injectors front to rar to see if misfire went from #2 to #1. the tech at other shop put 6 injectors in it. fised is what he s... Trouble codes: 87 (89 -), 89 (154 -), 154 (191 -), 191 (302 -), 302 (304 - bank 2 306 too and 300), 304 (bank 2 306 too and 300).
2004 Honda Odyssey EX 3.5L Excessive Emissions, No Start, Poor Idle Quality, Stall, Acts flooded VIN: 5FNRL18934
Thanks for all of the help and suggestions. Once we idntified the proper connector, we tested it and it was marginal. Cleaned the contacts and the vehicle was checked each morning and the readings were perfect and it started and ran properly as well.
2007 Honda Civic LX 1.8L Compression VIN: 1HGFA16547
Hello everyone, and thank you for all the replies. Many stated that it may be time for a head job, other suggested more oil in the cylinders to eliminate washout concerns. Others suggested carbon build up. Another noted that these engines are known for their e...
2004 Jeep Wrangler Sahara 4.0L Electronic VIN: 1J4FA59S44
the code that was in it was p0884. we replaced trans. relay and about 200 miles it came back. the problem was the solinoid pack in trans.it was drawing 17 amps and blowing to contacts off the relay.
2004 Jeep Liberty Limited 3.7L speedometer
Thanks for the quick replies everyone. It was a bad rear sensor in the differential. My friend also wants to say thank you and feels better knowing how fast he's driving for his trip this morning.
2006 Kia Optima LX 2.7L No Start VIN: KNAGD128X6
Thank you all once again. Several people responded about the purge flow sol sticking open. we replaced with a new oe unit. a few weeks ago (the original actually bench tested good). I let the customer take it and asked her to pay if its fixed if not we will l...
2009 Mini Cooper 1.6L No Start VIN: WMWMF335X9
The shop put another engine in and it runs. Thanks.
2007 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WP0CA29917
The customer decided not to repair this problem at this time. The car will go into storage in 2 to 3 months anyway, maybe next spring. We are definately looking at either a bad pump or a wiring issue. The fuse and relay work just fine and grounding the grou... Trouble codes: P0491 (Secondary Air Bank 1), P0492 (Secondary Air Bank 2).
1997 Saab 9000 CSE Turbo 2.3L Fuel Gauge VIN: YS3CF68M0V
2001 Subaru Outback 2.5L Bent Valves VIN: 4S3BH665X1
Hello everyone. Thank you all so much for your input on this. The exhaust valves were a little bent and all intake valves were severely bent. Some of the guides looked compromised. My customer elected to do a patch job by having us install used heads. It wor...
2007 Suzuki XL-7 3.6L Engine VIN: 2S3DA21797
2001 Volvo V70 2.4T 2.4L neutral VIN: YV1SW58D01
I still was unable to program the trans. I also tried to program the CEM, with no luck. I recieved some very good help. Most said to disconnect the battery and connect the terms together. Bruce told me in an email how to ping all modules with the advanced tab....
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