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Prev Professional Automotive Repair Technical Discussions for April 3, 2013
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Help Request Answers
1994 Acura Legend GS 3.2L Transmission VIN: JH4KA8265R
This vehicle came in because the D4 light flashes after about a quarter mile of driving. The speedometer also intermittently jumps. The module comes up with a code 4 when commanded to display codes. The diagnostic flow chart says the possible cause are disconn...
2004 Acura TL 3.2L Hvac Controls VIN: 19UUA66244
Good Afternoon, This Acura is driving us bonkers. Original customer complaint was auto hvac system was not responsive to voice or manual control. This vehicle has the navigation system with control box in trunk When tech first tested car we found hvac system ...
2003 Audi A4 1.8L Turn Signals, Tail Lights VIN: WAULC68E53
Wipers and horn also dont work,load reduction relay bench tests ok but relay coil has 70 ohms, seems high
2005 Audi S4 4.2L Mechanical VIN: WAUGL68E15
Looking to get some opinions here. 2005 Audi S4 8 cylinder with 6 speed standard shift transmission. Towed in for no shift. Can start the car up and put into any gear fine...No noises..And it will stall when you try to let clutch out but not even try to move. ...
2008 BMW X5 3.0si 3.0L AUX input VIN: 5UXFE435X8
This car came in the with customer giving us a pile of parts wanting to be installed. (car was diagnosed at the dealer) Parts list: 2 tail lights, 1 rear speaker, 1 amp (AMPH/AMPT), 1 tele (TCU/ULF), 1 wireless box (ULF/SBX-H) and 1 Aux input jack. Symptoms...
1996 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 2G1WL52M0T
This car came in just over a week ago for a surge/misfire issue. Car ran ok so we went to the plugs. Original plugs so they were changed, test drove and all was good? Cuat. picked up car made a couple blocks and the surge/misfire was back and the SES light cam... Trouble codes: P0131 (low o2 activity), P0171 (lean bank 1), P0300 (multiple misfire)
2007 Chevrolet Silverado 2500 HD Classic LT 6.0L No Start VIN: 1GCHC24U17
this vehicle came in a tow truck,dye on the fly I have a code for no ignition one voltage, the scanner shows 0 voltage,but I have power to the ignition coils with the key on ignition relay has two battery voltages with the key on. fuel pump does not turn on,by... Trouble codes: P0556
2007 Chevrolet Impala LT 3.5L Misfire
Very slight miss on #4 . Changed plugs ,wires checked fuel pressure , vucum all very good . Mis does not start until engine runs for 30 to 40 seconds checked vacum leaks at manifold seems good cannot reach #4 injector with out disassembly of intake . We think ... Trouble codes: P0300
2008 Chevrolet Uplander LS 3.9L MIL Lamp on VIN: 1GNDV23W38
I have this uplander with a code po172 system rich. Fuel pressure ok looked at archieves found some with repairs,doing a fuel composition reset. My solus has a procedure to do the reset but when ido it it says time allowance exceeded and does not perform reset... Trouble codes: P0172
2002 Chrysler PT Cruiser 2.4L Stall, MIL Lamp on VIN: 3C4FY48B02
Has unusual problem that I've not encoutered before: engine starts and runs OK, but stalls when cam sensor is plugged in. Unplug cam sensor wire and vehicle will start. It does this every time. Found the usual code P0340 in it, checked wiring harness from cam ... Trouble codes: P0340 (Cam signal lost)
2008 Chrysler Town & Country (Van) Limited 4.0L Srs Module VIN: 2A8HR64X58
Hello, i have this 2008 chrysler town & country that had a srs mod. Replaced by the dealer for a recall. Now the light is on and it has codes for the pass. Seat belt buckle and seat position sensor before it got out the door. They checked into it and said they...
2008 Chrysler 300 (Car) Touring 3.5L engine VIN: 2C3LA53G38
08 chrysler 300 came into shop about 2 mounths ago with a little ticking noise from the motor area. we found some info on oil consumption. told customer about doing an oil change and engine oil flush. they picked up car and now car is back with a tick noise th...
2004 Dodge Stratus SXT 2.4L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1B3EL36X24
hello all. On this stratus it will stall Intermittently after a hot soak but can take a few days or weeks before it will do it.we have replaced the pcm and motor with dealer parts.checked the harness and connection to motor and pcm.At idle when it is working t... Trouble codes: P0508
1997 Ford Explorer Eddie Bauer 4.0L inopt VIN: 1FMDU34E0V
this vehicle is in for the 3ed time with the same problem. cruse will not turn on. after each repair the customer said the cruse works great for a few days then gets intermitant and then quits. perform flow chart tests and the cruse power on switch has failed....
1998 Ford Ranger Splash 3.0L Oil Pan VIN: 1FTYR14U0W
Hi all just would like to know if anyone has come up with a way to pull the oil pan on this 3.0 2 wheel drive without pulling the trans.& flex plate. Thanks for any help.
1999 Ford Ranger XL 2.5L Gas tank VIN: 1FTYR10C2X
Cant fill tank properly
1999 Ford F-450 Super Duty Lariat 7.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 1FDXF46F0X
Vehicle complaint was as follows: Vehicle will not pull an incline, loss of power, loping idle, lots of white smoke. The driver was on his way to Oregon to haul a vehicle back, and had to turn around when the vehicle began running poorly and emitting lots of w...
2002 Ford F-150 King Ranch 5.4L Misfire VIN: 1FTRW08L52
Truck came in 1 week ago with cyl #6 misfire, we swapped coils 1 & 6. Miss did not follow coil. We installed new m/c coil on cyl#1 & put new plug in cyl#6. Truck ran fine & customer left. Why miss did not follow i do not know? truck came back a week later runn... Trouble codes: P0306 (Misfire cyl 6), P0352 (Ignition coil primary/secondary malfunction), P0356 (Ignition coil primary/secondary malfunction)
2002 Ford F-150 King Ranch 4.6L MIL Lamp on VIN: 1FTRW07682
have codes p0171 and p0401 replaced bank 1 o2 and DPFE but codes keep coming back.spray carb cleaner on intake but cannot find a vacuum leak.pcv hose looks ok.i put vacuum on egr with engine running and it makes no difference how engine runs so i pulled valve ... Trouble codes: P0401, P0171 (Lean bank 1)
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L No Start, Stall VIN: 1FTNW21P84
This is more of an urgent plee than a needed repair.Please stop installing soft plugs and EGR delete kits on these 6.0 ford engines.Here in Pa the inspection mechanics are liable for emmissions related parts.You can not tell unless you scan engine data.This wi...
2006 Ford F-150 XLT 5.4L Misfire VIN: 1FTPW14V46
engine runs fine when babied, once the gas is used with some agression #4 will misfire and engine will kick and shake bad, I have taken a look at the springs they appear to be in tact, I did find the exhaust lobe for #4 to show a 1/4 delay in the markings from... Trouble codes: P0304
2007 Ford F-150 King Ranch 5.4L parking lights VIN: 1FTPW12V97
parking lights will not shut off.truck came in with various items not working particularly windows door locks mirrors.I found a broken ground between the door and cab.the other complaint was the parking lights staying on.Im wondering if any one else has seen t...
1999 GMC C1500 Suburban 5.7L Misfire VIN: 3GKEC16R1X
thanks in advance,, truck came to us after all the listed parts were replaced, fuel press, is in spec, short fuel trim is at 130 all the time at idle is this normal or high ,both banks, have checked for vac, leak dont find one, tried new air flow meter and map... Trouble codes: P0300
2004 GMC Yukon XL 1500 SLT 5.3L drivers seat heater VIN: 3GKEC16Z24
found this only occurs with door closed or latch rotated to locked position. suspect door latched signal to drivers door module somehow causing door module to turn seat heater on and off. seat heater switch signals go thru door module. this also occurs with se...
1994 Honda Prelude S 2.2L cooling fans VIN: JHMBA8141R
fan only comes on when engine is shut down after running.replaced timer, temp sender,sensor,wireing is good.relays good.fuses good.
2002 Honda Civic EX 1.7L No Start, Imobilizer VIN: 1HGEM21932
If imobilizer is active (green key flashing) will it cause a no communication of scan tool or will scan tool comunicate with ECM? I can communicate with all the ther modules in the vehicle but have no communication with ECM. I have went through the steps to ch...
2002 Honda Accord LX 2.3L Stall, Misfire, MIL Lamp on VIN: 3HGCG56452
My question is, when you have P1399, P0301 and P0304, why is this caused by the distributor, or is it? I told the man to drive his car at least 100 miles, so the rings can completely seat in. So far, he has not done this. Compression has risen to 155 PSI after... Trouble codes: P1399 (p0301-), P0301 (p0304-), P0304 (testing and results)
2001 Hyundai XG300 3.0L Timing Belt VIN: KMHFU45D61
Vehicle came in with codes for misfires on #1, #3 and #5 and a random misfire code. Customer was sold a timing belt (it was overdue) and tune up. Timing belt and tune up done. All parts replaced for timing belt job (water pump, rollers, hydraulic tensioner). C...
2003 Hyundai Accent GL 1.6L No Start VIN: KMHCG45C13
We are having troubles with this car not starting when it is parked outside in the cold -5 C or 28 F. The engine will crank ok but there is no spark at the plugs or crank signal reading on the Solus scan tool or the tach on the car. When it is inside the shop ...
2002 Jeep Liberty Sport 3.7L Fuel Injectors Firing VIN: 1J4GK48K82
sometimes it starts and runs smooth. suddenly, the problem appears by itself, either idling or running it. we have two computers, one used and one rebuilt, programed to this vehicle. the probleam happens with either one. we tried bypassing the wires from the c...
2005 Jeep Liberty Sport 3.7L No Start VIN: 1J4GL48K75
customer said she drove to work with no problems. when she tried to start to go home the engine would not crank, we have no comunication with pcm or transmission only. tried disconnecting sensors, and modules. cked all fuses and grounds, we added a ground to t...
2010 Jeep Grand Cherokee Laredo 3.7L Stall VIN: 1J4PR4GK9A
customer complaint of intermittent stalling- mostly start up, occasionally while driving. Jeep, well, no help when she took it to them, so it wound up here. Car would stall quickly and quietly- easy re-start. CKP & CMP had crappy signals- replaced them w/OE an...
2003 Kia Optima SE 2.7L Crank Pulley VIN: KNAGD12813
I have an unusual problem i replaced the left cam seal due to leaking, had replace the timing belt, w/p,componet kit and seals a year and a half ago no odd situations. After replaceing the seal and resetting every thing it had developed and odd issue thier is ...
2000 Mercedes-Benz S430 4.3L 4 not ready VIN: WDBNG70J3Y
The customer attempted to get the vehicle inspected. (Location: Dallas Texas) There has never been a mil on,but there were four 'not ready' monitors in list.EGR,EVAP, SECONDARY AIR,AND HEATED CATALYST.Given the fact that no faults existed,we disconnected the b...
2004 Mitsubishi Endeavor XLS 3.8L delayed engagement VIN: 4A4MN31S04
Noticed a delayed engagement yesterday on this car, checked fluid level, corrected- drove fine, no engagement issues over 150 miles 5-6 stops- Started cold this morning and engagement in R took approx 5 sec- shifted to D same- tried a few more times and had th...
2004 Mitsubishi Endeavor LS 3.8L 3rd and 4th gear VIN: 4A4MM21S14
This vehicle came in with no third or fourth gear always and no reverse intermittenly. It had a neutral light flashing and codes p0734 and p0733 for 3rd and 4th gear incorrect ratio. We pulled trans and sent to builder, he stated he found a broken retaining ri...
2003 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D33
Everything i'm reading tells me the following; engine below 113 degrees numbers should be sensor voltage between 3.6 to 5 volts and counts 0-5. above 113 degrees numbers should be 117-120 counts and sensor voltage 0-1 volts. I'm getting the following. On sta... Trouble codes: P1138, P1137
2008 Nissan Altima 2.5L power steering VIN: 1N4AL21E78
when vehicle arrived ps assist was low wheel hard to turn their appeared to be good flow in reservoir but fluid was black and smelled burned,replaced ps rack assembly flushed sys and retest same concern we can monitor ps press switch on scan tool and appears t...
2002 Oldsmobile Silhouette Premiere 3.4L MIL Lamp on VIN: 1GHDX23E32
This is an odd one. GM appears to have a part manufacturing problem There appears to be a manufacturing issue with this new GM fill neck assmelby PN noted above This visit, customer came in with SES light on, and an evap trouble code We pursued the code, and f...
1994 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX52L8R
Hey guys, this thing came here from another shop that had replaced the ignition lock cylinder, Crank position sensor, and Ignition control module. The starter cranks good, The system has no spark or no injector pulse. It has a good camshaft sensor signal, 3x s...
2006 Scion xB 1.5L Mil on VIN: JTLKT32496
I can not find a diag. chart for a c1201 or c1223 code for the scion. If anyone could give me some help that would be great. Thanks.
1997 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K7V
Hey Toyota techs, I have this camry that runs fine but has a check engine light on with code Po401(EGR Insufficient flow). The customer had the EGR valve replaced elsewhere but still has the light on. I have cleared it but it comes back. Is there a common recu... Trouble codes: P0401 (Exhaust Gas Recirculation Flow Inssufficient Detected)
1999 Toyota 4Runner SR5 3.4L Poor Idle Quality, Stall, Misfire VIN: JT3GN86R9X
Ok guys, here's a real challenger. I've inherited this truck from 1 other shop and 2 other people at my shop. Runs fine cold, high idle and everything is as expected. Once the vehicle warms up and the idle comes down to normal it will intemittantly stall. It f...
2003 Toyota Tacoma DLX 2.4L Evap VIN: 5TENL42N93
Hi everyone. We got the truck with PO441 evap emission control system Incorrect purge flow PO442 Evap evap emission control system small leak, PO446 Evap emission control systemvent control circuit . We replace a new OEM canister, did the smog leak test with ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Acura RL 3.5L No Start VIN: JH4KA9653T
thanks for all the awesome replies. We have not had a change to continue with this car's repair. We are now sure it has nothing to do with the passlock or thief system. changed the main relay and checked crank and cam sensors. we have fuel pump but no ignition...
2003 BMW 330i 3.0L Engine / Oil Temp Sensor
Well this one isn't fixed. None of the replies provided any new info. In the end we decided the noise was coming from lower than the head, maybe a piston or wrist pin? The customer didn't want to take the next big step of a tear down, especially since with the...
2007 BMW 328i 3.0L Acc VIN: WBAWB33587
No fix yet on this one. Some suggested proper bleeding. I did the bleeding as per instructions with both stats so I don't think that is the issue. I was able to compare coolant temp readings to a vehicle with the same engine package. The car I checked got up t...
2008 BMW 335i 3.0L Battery Voltage VIN: WBAWB73568
First, I would like to thank everyone's input. What a great resource for getting help, thanks to all of you!!! You guys were right, the battery needed to be registered. I eneded up purchasing a Bavarian Technic cable/programmer and reset the battery myself. Th...
2005 Buick LeSabre Limited 3.8L fuse 29 undrseat fusebox VIN: 1G4HR54K15
Ok so 1st thing there was an aftermarket start under the dash (sorry forgot to post upfront) which leads me to the fix. When it was installed they ran the harness between the two metal braces under the steering column pinching them. We found a 1 - 2mm bare sp...
1989 Cadillac Eldorado 4.5L Excessive Emissions VIN: 1G6EL1156K
thanks for all the replies, but it was the AIR check valve going to the exuast manifold it was suck open and making it run lean. thanks for all the help Trouble codes: 46 (lean mixture).
1967 Chevrolet Bel Air 4.6L Mechanical
Wow ! thanks for all the responses. I got home an figured to adjust the cable alittle tighter. the lokar cable doesn't have a clicker like the stock. I adjusted it TIGHT @ wot. Now it runs and shifts perfectly. As far as lockup, the buddy who built it set it u...
1995 Chevrolet K1500 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on, possible misfire VIN: 2GCEK19K2S
Well I appreciate all the help from the very knowledgeable technicians on the network. I took the advice and rechecked fuel pressure when I retested it was only at 3 psi. I checked voltage at pump and found voltage of 8volts so repaired wire and re tested and ... Trouble codes: 33 (Map Sensor to High).
2006 Chrysler PT Cruiser Touring 2.4L air bag
reinstalled orignal belt buckel with new air bag module and all codes went away.plug new buckel back up and codes returned
1999 Dodge Ram 3500 Truck 5.9L MIL Lamp on VIN: 1B7MC3363X
Fixed! got another cummins ecm and it works great. and i double checked everything just to make sure. thanks for all your help and hope this helps someone in need. Trouble codes: P1286 (APPS Supply volts too high).
2000 Dodge Dakota 4.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1B7GG22N1Y
I would like to thank Brian from Sheboygan Chrysler and Robert from Virginia. Remember when you could buy parts here and you wouldnt have to inspect them before you installed them to make sure they were made correctly? Well those days are over. After checking ...
2000 Ford F-150 4.6L No Start VIN: 1FTRX18WXY
Want to thank everyone for taking the time to reply. I ended up fixing the oxygen sensor wiring at the transfer case. I also found a wire rubbed through at the air cleaner, had a after market air cleaner, fixed that. Also pulled the main ground and cleaned up ... Trouble codes: U1262 (SCP data fault on J1850 Bus), U1147 (SCP data fault for vehicle security).
2001 Jeep Cherokee Sport 4.0L Airbag VIN: 1J4FT48S81
Timothy was right, I had the wrong module. Dealer looked it up by VIN and it was a different part number than the old one (they said it was superceded). Well, when we got the new one with the part# matching the old one, problem solved. ABS lite comes on for ...
2008 Jeep Commander (Truck) Limited 5.7L electric window VIN: 1J8H658248
Thanks to all who responded. After checking every wire in the door harness, and finding no issues, we discovered a no-power problem to the DDM. Gilbert from MA supplied good information about the wiring and the new mod. It is plug-and-play. So, while the #12 f...
2005 Kia Sedona EX 3.5L Hesitation, low power VIN: KNDUP13285
If a customer states lack of power, it could mean sticking brakes. We replaced front calipers, pads, rotors and master cylinder. The vehicle has been doing good.
2003 Land Rover Range Rover HSE 4.4L No Start VIN: SALME11433
2003 Mercury Marauder 4.6L Cooling System VIN: 2MEHM75V43
2003 Pontiac Vibe 1.8L C0210 Right rear speed sensor VIN: 5Y2SM62843
I pulled out the axle to see this tone ring with my own eyes and yes it had a crack. Changed the drive axle and it works like a charm. Thanks for all the help Eric
2008 Pontiac Grand Prix 3.8L Stall VIN: 2G2WP55218
After doing some research I was able to find a data pid chart that shows the crankshaft a and crankshaft b sensors should be equal to rpm. This is a direct contradiction to the beginning of the pinpoint test. I ended up selling my customer a crankshaft sensor(... Trouble codes: P0335.
2003 Subaru Outback 2.5L Timming belt tensioner VIN: 4S3BH67543
Thanks to all,We inspected the tensioner bolt hole and found a heli coil repair in the spot.Really looked at it closely and found that the hole is not "straight" a little off centre.We replaced the engine part of the tensioner assembly and got another tensione...
2005 Toyota Corolla CE 1.8L A/F Sensor VIN: 2T1BR32E35
this one will go out the door tonight with an intake manifold gasket and throttle body gasket.I had 29 excelent Snap On Smart Smoke really isn't that smart, so I tried carb clean on the manifold and found the leak thank you for your help
2004 Volkswagen Beetle GLS 1.9L all VIN: 3VWCR31C84
thanks for all the replies, all were very helpful, customer decided not to invest more money in trans repair, said he was selling the car, again thank you.
2005 Volkswagen Passat GLS 1.8L oil leak VIN: WVWBD63B15
Thanks to all who replied. Found the 2 plugs at the rear of the head below the tensioner were loose and seeping oil. Removed and applied sealer and re installed. Kinda kicking myself for not checking them before installing the head. Thanks again for all th...
2006 Volvo S40 T5 2.5L Mechanical VIN: YV1MH68206
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