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Prev Professional Automotive Repair Technical Discussions for March 2, 2015
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Help Request Answers
2009 Audi A8 Quattro L 4.2L No Start VIN: WAUMV94E79
car came in for intermittent long crank/no start. found code p3089 or vag code 12425 for Signal line for Fuel pump Electronics electrical malfunction intermittent. The car only exhibited the symptoms once for a very short duration here... long crank and no sta... Trouble codes: P3089
2005 BMW 645Ci 4.4L Misfire VIN: WBAEK73485
Cant locate the fault causing misfires on only the right bank cylinders 1-4. The problems starts as soon as the engine is running. Compression seems ok and dead even at 150 psi (low due to valvtronic position). I have spark and good fuel injector operation. I ... Trouble codes: P0301, P0302 (misfire cyl. 2), P0303, P0304
2005 Buick LeSabre Limited 3.8L No Start, Stall VIN: 1G4HR54K65
I'm trying to diag this one for another shop. The original issue was a severe misfire caused by a failed Ignition module. The vehicle now runs very well but has a hard/no start, stalling problem. This problem began 5 weeks after the replacement of the above ig... Trouble codes: P0300 (Random Misfire)
2007 Cadillac Escalade 6.2L Transmission VIN: 1GYFK63837
Vehicle came in with complaint of erratic reverse operation scanned transmission for codes had internal switch mode code replaced switch still have no reverse but drive works fluid was very dark what else can cause this my scanner shows transmission drops out ...
1971 Chevrolet C20 Pickup 5.7L Drive
What i have is a turbo 350 transmission.What is going on is if drove or running to working temp.More times then not you shift to drive and no drive,If you shift to reverse or to 1 or 2 drive then back to drive. drive is back and works fine.Put truck into park ...
2004 Chevrolet Trailblazer LS 4.2L Fuel Pressure
Thanks for looking at my request. This vehicle came in with the custome saying it will surge and - or stall when slowing or at stops. I have not been able to duplicate the symptoms. It has a code P0128 Coolant thermostat and U1041 Loss of EBCM / CBTCM communic...
2007 Chevrolet Suburban 1500 LTZ 5.3L Trac. light flashes VIN: 1GNFK16397
Hi guys, got a good one here. This customer says that ever since our shop replaced the rack & pinion and outer tie rod ends, he's had an interesting problem. On turns (mostly left turns) occasionally the traction light will start flashing and the brake pedal w...
2008 Chrysler Town & Country Touring 3.8L No Start VIN: 2A8HR54P88
This vehicle has been at the dealership and they gave up. They installed a TIPM and a WIN module. Currently we can communicate with the TIPM but nothing else. Tested powers and grounds at the PCM and they are good. It looks like they have had the PCM out but I...
2003 Dodge Stratus SXT 2.4L Alarm System VIN: 4B3AG42G13
Lock keys in car tow truck drive came open the passenger side door. Alarm wont go off now when i use the key in the door. Now when ever i open the doors or truck my alarm goes off lights flash horn goes off the three minutes. HELP The factory alarm is the one ...
2005 Dodge Durango SXT 4.7L Poor Idle Quality, Misfire VIN: 1D4HB38N05
This Durango has a misfire at idle with fuel trims on bank 1 dropping to -30 and engine exhibits lean misfire until O2 snaps to lean signal. Fuel trims return to around zero and O2 flatlined at slightly rich and fuel trims slowly drop until lean misfire occurs...
2008 Dodge Ram 3500 Laramie 6.7L engine VIN: 3D7MX48A48
This vehicle came to me with a louder than normal injection rattle at 1800-2000 RPM. When the vehicle came in the owner had his tuner set to race. I returned the vehicle to the "stock" to with deletes and went for a test drive. No codes had set prior to or aft...
2008 Dodge Grand Caravan SXT 3.8L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1D8HN54P28
This van Came in with a interment stall and running rough concern could not duplicate. Checked throttle voltages they look good, test drove and could not get it to come back. Customer got the car back and the problem occurred a few days later after driving for... Trouble codes: P2172 (High Air flow), P0129 (Baro Pressure out of range low)
1996 Ford Probe 2.0L stuck in 2nd gear VIN: 1ZVLT20A3T
Hello IATN, Thanks in advance for your help. I have a 96 ford probe that right about now is feeling like a backside probe. The vehicle came in to our shop with the complaint of no high gears. One of our techs worked on the car and could not get the car to dupl...
2001 Ford F-150 King Ranch 5.4L speedometer VIN: 1FTRW08L21
Hello to all you Ford GURUS, This truck came in with no start. After diagnosing replace the defective PATS sensor and the PCM. Program the unit with VCMII after which started truck, let it warm up, check fluids and let the truck go. Two days later truck return...
2013 Ford Focus SE 2.0L Bcm VIN: 1FADP3F29D
So, this is my stumper for the month: I was called in on this 2013 Ford Focus. The keys do nothing observed - no RKE, no PATS and no key-on response. Cluster stays dark, dome stays off. However, though the IDS, there is function on all the modules other than ...
2008 GMC Acadia SLT 3.6L Poor Idle Quality VIN: 1GKEV23718
Vehicle came into shop, customer assumed transmission problem. Upon road test we had no power almost like a bad fuel pump or clogged Cat. Multiple timing codes that I have listed were found. Also had a P0741. Found leak at transmission cooling line and transmi... Trouble codes: P0741, P0011 (Intake Camshaft Position Sensor Sys Performance Bank 1), P0016, P0017 (Crankshaft Position Exhaust Correlation Bank1 Test Failed), P0018 (CKP Intake Camshaft Position Correlation Bank 2 Test Failed), P0019 (CKP Intake Camshaft Position Correlation Bank 2 Test Failed)
2010 Hyundai Santa Fe GLS 2.4L Output Seal VIN: 5NMSGDAB9A
We replaced the right output seal to repair a leak, the vehicle returned after 400 miles with the seal still leaking. We removed the axle for inspection, seal not damaged but we did notice the axle is not centered in the seal. We removed the transfer case to i...
2008 Mercedes-Benz ML320 CDI 3.0L ESP Light VIN: 4JGBB22E88
ESP light illuminated. Stuck in YAW sensor learn mode, can not calibrate? Have tried MODISpro (which has a pretty extensive instruction set for this procedure). MAXIdas, Launch and AutoEnginuity... Thanks
2007 Mercury Mountaineer Premier 4.6L Converter VIN: 4M2EU48837
Hi, we had this 07 Mountaineer brought in for a Vibration when driving at highway speeds. Turns out it is the TCC shuddering BAD when in OD and the rpms are lower and the engine is under a load. The TCC will release and re-apply and you can even see the tach R...
2003 Nissan Altima S 2.5L Heater VIN: 1N4AL11E13
Car was purchased from a local body shop. Customer states engine is quick to reach normal operating temperature but does not blow heat at idle. At road speed heater works ok but does not drive you out of the car. Engine does not over heat. Other place changed ...
2004 Nissan Quest SL 3.5L unknown VIN: 5N1BV28U44
Hi all, Have a quest here driving us crazy. Has a tin like vibration noise at 2000 rpm. Have adjusted the exhaust hangers and made sure nothing is touching metal. Triple checked all the heat shielding everywhere. Sound seems to be coming from in front of the f...
2007 Saturn Outlook XE 3.6L Timing Chain VIN: 5GZER13757
Please help is gm's 3.6(vin 7) an interference engine. The timing chain is broken or slipped, the engine crank pulley turns but front three cylinders have only about 2 psi for compression and the engine seems to free wheel when cranked. The procedure for timin...
2003 Toyota Camry LE 3.0L MIL Lamp on VIN: 4T1BF32K73
This car originally came in for a recurring P0420. It had been setting consistently for months. The oxygen absorption was in the 1-2 second range for both banks, so we replaced them with Walker cats along with the AF and O2 sensors from Denso. A few months lat... Trouble codes: P0420 (Bank 1 Cat efficiency), P0430 (Bank 2 Cat efficiency)
2003 Toyota Corolla CE 1.8L Hesitation, Surge VIN: 1NXBR32E53
car has been in the family since new and has developed a hesitation in the last year. idles fine, no codes, when leaving a stop light though it hesitates or surges. only notice it if leaving softly, if gas pedal is depressed to the floor, kinda gunning it, its...
2011 Volkswagen Jetta SE 2.5L MIL Lamp on, P0106 VIN: 3VWBX7AJ1B
we replaced map sensor per customer request, ho rieleys had checked the code for them. came back a few days later with same code. checked it out wiring and the sensor checked ok. but the sensor was coated in oil, so we replaced the valve cover and the sensor a... Trouble codes: P0106 (map sensor)
2012 Volkswagen Passat TDI SE 2.0L MIL Lamp on VIN: 1VWBN7A31C
This vehicle has a long history of check engine light on. We are picking this one up after a previous post and a delay. We have discovered that the ECM is not putting out a 5v reference on circuits for *(reducatant psi sensor)*, *(glow plug (compression) sens... Trouble codes: P0651 (ref v b open), P13D0, P13D6, P13D9, P0472 (exh psi sensor low v), P204A
1995 Volvo 960 2.9L Brake Lights VIN: YV1KW9616S
Help Volvo Techs! This 960 came in with what appeared to be stuck on brake lights. When tested we found 9.4 volts to bulbs- battery voltage (11.8 key on engine off) when pedal was depressed. We disconnected brake light switch- no change. we removed and inspect...
2002 Volvo S40 1.9L timing belt VIN: YV1VS295X2
Has anyone seen the timing belt running off the edge of it's pulleys? and what would cause this?

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 BMW 325i 3.0L No Start, Cuts out, Stall VIN: WBAVB13516
First, I apologize for not including some the original post. When the engine stalls or won't start, the missing ingredient is the injector's ground pulse. It maintains fuel pressure,spark and B+ to injectors. I verified hot and ground leads at DME, plu... Trouble codes: 2D54, C0F16, C0F14, 5E19.
2007 BMW X5 4.8i 4.8L coolant system VIN: 5UXFE83597
Thanks for all the help guys. So as I stated in the update, the water jacket cover was the leak. Had a big air pocket trapped and wasn't able to get it out. Jacked up the front end like one of you suggested. Was finally able to get it to bleed and now have hot...
2005 Chevrolet Silverado 1500 5.3L MIL Lamp on, reduced power VIN: 1GCEK19B95
customer brought vehicle back we checked all grounds and cleaned throttle body customer has not returned Trouble codes: P1516, U0107.
2007 Chevrolet Aveo LS 1.6L Misfire, MIL Lamp on VIN: KL1TD66627
Well technically I didn't fix it. I advised the customer it was in his best interest to let the other shop make good on their offer. Head came off and valves were replaced. My real query was why i couldn't see the misfire via intake pulls, but as I stated abov...
2012 Chevrolet Express 3500 6.6L Regeneration VIN: 1GBZGUCL9C
Thanks to all who replied, this one appears to be fixed. After returning vehicle to service with estimate to r&r hc injector, vehicle has come back with check engine light on P24A0. I removed nozzle end of injector, unable to blow through it. Installed new ...
1998 Ford Expedition Eddie Bauer 5.4L engine VIN: 1FMPU18L9W
finally got the truck running great. I did a compression test on all cylinders. fuel pressure test. wiggle test on wires. noid test the injectors/coils. unplugged all coils one at a time. cylinder contribution test. everything pointed to #7 and #8 cylinders be...
2003 Ford F-350 Super Duty Lariat 7.3L Driveline VIN: 1FTSW30F83
Sent drive shaft to a shop in Kansas that balances shaft as an assembly. Freight there and back was biggest expense but total cost to me about $160.00 including the UPS charges there and back. Previous machine shop balanced both halves individually which does ...
2007 Ford F-450 Super Duty XLT 6.0L Mechanical VIN: 1FDXF46P57
thankes to all of you i fixed a 6.0 the vgt was not letting the turbo open.for all of us to know you have to be driving down the road to do the diagnostics that you get from jasper engines & they do not tell you that. so thankes to all who helped Charles
2010 Ford F-150 STX 4.6L MIL Lamp on VIN: 1FTEX1E81A
2010 Ford Flex SE 3.5L No Start, Stall VIN: 2FMGK5BC7A
Done & gone. Got a used PCM...programmed & all is good. I sepereted the PCM case & it was soaked in water. Trouble codes: U0300, P0050 (Ho2S Heater Control Circuit Bank 2 - Sensor 1), P0600 (Serial Comm Fault), P1602 (Immob Unit ECM Comm Error), P2100 (TAC Motor Motor Cicuit/Open), P2105 (TAC System - Forced Shutdown).
2005 Hummer H2 6.0L driver mirror VIN: 5GRGN23U05
2004 Isuzu Rodeo S 3.2L Poor Idle Quality, Surge, Stall VIN: 4S2DM58W04
Customer wants to give up on this one. I changed the intake gaskets just to see if there was and different result, and they did raise the maf reading at idle about .5 gram, but still get po101 that resets as soon as you clear it. I think its the pcm thats conf... Trouble codes: P0101, P0300.
2008 Mercedes-Benz ML320 CDI 3.0L front parking lights VIN: 4JGBB22E88
Replies were correct. Two bulbs were burnt out. I assumed we did something wrong. Thanks to those who took the time to send me a message. I really appreciate it.
2006 Pontiac G6 3.5L . VIN: 1G2ZG55846
this one is fixed. it end up setting a code for transmission solenoid. it had a transmission problem,cust declined the repair.
2001 Subaru Outback Limited 2.5L Charging VIN: 4S3BH68651
Thanks for the replies gents...I ended up buying this one as th customer didn't want to spend money (wants to buy a new vehicle)...haven't spent anytime on it since...for the slow times.
2006 Toyota Sienna XLE 3.3L 4-3 shift, 4-5 shift VIN: 5TDBA22C56
Well, it was a bad transmission. Did the exact same procedure I did for the other 3 transmissions and this one is working. Thanks for all the help guys.
2009 Toyota Corolla S 1.8L starter VIN: 2T1BU40E09
I installed the starter about a couple of weeks back. Still have not heard from customer. I will say this car is fixed. Thank you all of you help.
2002 Volvo V70 X/C 2.4L steering assist VIN: YV1SZ58D22
Most of the replies pointed to possible faulty reman Maval rack. Some other ideas were to check the ball joints for binding, bent u-joint from steering shaft, collapsed hoses or no electric assist. This rack did not have the electric assist feature so we elimi...
2006 Volvo S40 2.4i 2.4L accelerator VIN: YV1MS390X6
put another alternator on. still have lights on but she can drive it. the alternator seemed to have fixed the smell problem but the power service urgent still comes on. when she gets more money it will go to the dealer for another test. thanks for all your hel...
2008 Volvo S40 2.4i 2.4L abs VIN: YV1MS390X8
Customer took vehicle to the dealer since i don't have dealer scanner. Thank u all for the great support and responses
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