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Prev Professional Automotive Repair Technical Discussions for September 26, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 740iL 4.4L speedometer VIN: WBAGH8344Y
This 740il has no speedometer and ABS lights on. I have a Snap ON Solus scanner. I cannot comunicate with the ABS unit. I can communicate with every module on the car except the ABS module. I have a connector view and complete wiring diagram, all powers and gr...
2001 BMW X5 4.4i 4.4L Lower Timing Cover VIN: WBAFB335X1
Having trouble removing lower timing cover. Can't find definite answer whether there are bolts inside the oil pan or not. Do the axles and upper sump need to come out or is this thing just stuck on the dowels. There are six bolts that come in from the bottom t...
2001 BMW 325i 2.5L all cluster gauges VIN: WBAAV33421
This car has no current to the cluster gauges or lights in side cluster... I check all the fuses in the glove compartment they are all good...there seems to be some fuseable links in the back of the fuse box and they are all good too. Only the ABS light comes...
2008 BMW 528i 3.0L cooling fan VIN: WBANU53568
hello BMW techs! HELP I had this towed in for over heating found coolant expansion tank cracked and leaking replaced tank and cap then pressure tested system (no leaks ) data shows electric water pump is turning at 250 rpm and coolant is flowing to expansion t...
1995 Chevrolet K2500 Suburban 7.4L Poor Idle Quality, Hesitation, Stall VIN: 1GNDT26N3S
454 SUBURBAN 4X4. Came in stalling, long crank time. Found timing erratic... ie: with timing connector disconnected, base timing is at 14 degrees (only way it will start) when you give it throttle, the timing retards 10 degrees then jumps back to 14 degrees wh...
2002 Chevrolet S10 2.2L Hesitation VIN: 1GCCS14502
I have a2002 chev s10 runs bad stalls check fuel pressure 22lbs should be 56 62 thought fuel pump wrong . I can check the line from pump to filter on dead head and get 80 lbs connect other line going to filter check outlet of filter and get 22 lbs can not unde... Trouble codes: P0179
2007 Chevrolet Silverado 3500 Classic LS 6.6L Excessive Emissions VIN: 1GCHC33D47
this 07 classic duramax smokes black at idle and runs rough, has a miss and an injector knock. truck runs and drives and has plenty of power. smoke never stops. no air restrictions. you can hear turbo spooling. scanner shows misfire codes on 3,5,6, only. stops...
2002 Dodge Dakota Sport 4.7L Transmission VIN: 1B7HL38N12
This is my personal truck. Have had very minor issue with 2-3 shift flair (1 to 2 occurrences per month -- only under very light load and usually after hot soak) for probably six months (has never thrown any codes until now). Have used this to haul loaded car ...
2007 Dodge Ram 3500 Truck ST 5.9L Poor Idle Quality, Surge, Stall VIN: 3D7MX48C97
Calling all Cummins gurus. This vehicle has a very intermittent problem. I have only seen it act up twice in about a 2 minute time period, but other than that it has happened to the owner about 5 times in about 10,000 miles of driving. Yes the odometer reading...
2011 Dodge Grand Caravan Mainstreet 3.6L No fuel pressure VIN: 2D4RN3DG4B
In advance Thank you guys help for all your help *** customer took vehicle to sears for weak start, sears replace battery. after a day customer the same problem went back to sears. sears told him to replace alternator. unable to find alternator in the hawaiia...
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW25F6T
Vehicle ran great, excellant maintenance, got in crank no start.pulled codes and had idm-pcm communication error. Went thru all test from mitchell and verus pro and result was to replace idm. So we did and still no start.Still have same code, and now have code... Trouble codes: P1668, P1283
2000 GMC Savana 3500 5.7L Misfire VIN: 1GDHG31R0Y
Vehicle came in with no power complaint. CEL not on .No current codes , P0174 Bank 2 lean "History" code .Road tested and seemed almost like plugged converter. Removed o2 sensors and road tested same , no power. No current or history misfire counts even while ... Trouble codes: P0174
2008 Honda Accord LX 2.4L MIL Lamp on VIN: 1HGCS11738
Hi guys! this came in running bad code p0341. Found jumped chain. Replaced chain, guides tensioner along with vct sol. And vct actuator (gear) reprogamed computer did all relearns. Installed proper oil viscosity. Cel comes back on right away most times. We eve... Trouble codes: P0341 (Cam crank phase)
2001 Hyundai Santa Fe GL 2.4L Hesitation VIN: KM8SB82B61
Customer stated that when entering an on ramp car will sometimes hesisate... There are no codes and customer said it has done this since he brought it from the dealship... Dealship has replace all the sensors according to the customer... So he has just lived w...
2008 Jeep Patriot Sport 2.4L rear suspension VIN: 1J8FF28WX8
This patriot has worn the rear tires down to the metal core on both rear tires almost the same.The inside edge is totally worn out and the top of the wheel appears to be tilted way in .There are not any adjustments for the rear wheels except for the toe and th...
2008 Mazda 6 i 2.3L No Start VIN: 1YVHP80C88
my customer stated that car shut off while driving. towed it in. no codes, no spark. I have fuel pressure and injection pulse. the vehicle security light goes out. when I disconnected the crank sensor the injection pulse went away so I assume its live. I hooke...
1991 Mercedes-Benz 500SL 5.0L Poor Idle Quality, Misfire, Hard start VIN: WDBFA66E5M
Thanks in advance for the help. We have this pristine, low mileage, 500SL in for a intermittent hard start/misfire at idle. It will ONLY misfire for about 5 seconds after starting. This is at times accompanied by an extended crank (about 5-10 seconds). When it...
2000 Nissan Maxima GLE 3.0L Poor Idle Quality VIN: JN1CA31DXY
customer replaced idle controller and high idle remained.needs computer and we bought a used one.installed computer and programmed key and vehicle will not problem is that i am not sure if i bought a bad pcm or does it have to be programmed by dealer.... Trouble codes: P0505
2009 Nissan 370Z Touring 3.7L cam timing VIN: JN1AZ44E39
vehicle towed in crank no start found code P0340 cam position snsr circ. customer said he was driving down the road vehicle back fired he accelerated shifted backfired again then shut off would crank but no start. found engine had less than half a quart of oil...
1999 Pontiac Grand Am SE 2.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1G2NE52TXX
runnin rich n raw fuel comin out of tail pipe,injector pulse at # 4 cyl. is constant bright n other r blinkin normal pulse compession is good at 165/175 Trouble codes: P0200
2006 Smart Fortwo Pulse .8L hard start VIN: WMEAJ00F66
the problem with this car is that the glow plugs wont light up if the engines cold. so in the morning it runs bad and smokes white fuel vapour. i found that the glow plugs will light up if i unplug the coolant temp sensor. something very unexplainable to me is...
1998 Toyota Sienna LE 3.0L Misfire VIN: 4T3ZF13C6W
hi all, pulling my hair out on this one!car came in with a misfire #6 cyl.i swapped coils,spark plug,injector,still misfire #6.i did compression,leakdown test,checked valve clearance,ohms tested wires from injector back to ecu,still misfire #6.did a signature ... Trouble codes: P0302
2001 Volkswagen Jetta GLS 2.8L Cuts out, Stall VIN: 3VWSG69M81
Hopefully someone has seen this before. The customer states that while driving the car it will die, dash lights come on and it will restart without having to stop the car. The reason she notices is it she feels a lack of power. It has done it to her about 6 ti... Trouble codes: 16825 (Evap), 16795 (Sec Air), 16525 (O2 sensor)
2004 Volkswagen Passat GLS 2.0L MIL Lamp on, Lack of power VIN: WVWVE63B24
Vehicle came to shop with low power...found MAF code P0101 and low boost code P0299...technician determined MAF sensor was faulty and that there was turbo boost...the values for the Expected MAF and the actual were totally different. Voltage readings at MAF ar... Trouble codes: P0101 (p0299-), P0299
2004 Volkswagen Touareg V6 3.2L loud noise VIN: WVGBC67L54
Hello iatn I need to ask for your advice on this vw touareg 44 it makes a loud squealing sound like metal rubbing on metal that comes from the fly wheel area only after its been driven for about 15-20 minutes, if I let it run in the shop it wont make the soun...
2010 Volkswagen Jetta S 2.5L airbag cut-ff switch VIN: 3VWJZ7AJ2A
Hello everyone, We have this 2010 Jetta which came to us from a body shop. We have replaced the complete pods kit for the passenger seat, inc. the small gray module under the seat, the harness for the seat and the occupancy pressure pad in the seat. It all ca...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi Allroad Quattro 2.7L Suspension VIN: WA1YD64B42
Thank you for all the replies. At this point the customer is deciding what he wants to do with the car since he just bought it he is not sure he wants to put the money that a coil over conversion will cost into the car. So he is deciding to either invest in fu...
2005 Audi A4 3.0L Convertible Top VIN: WAUDT48H75
Thanks For all the great help on this one. it turned out to be the motor.I could not even get it to run my the bump test. Pulled unit off and bench tested and motor was bad. new motor Did the trick.The test pages i received from Mervym [...] was a BIG HELP ...
1997 BMW Z3 Roadster 1.9L MIL Lamp on VIN: 4USCH7322V
Randy from Texas hit the nail right on the head. At 6000 rpm I have 100% calculated load. The cat also lit up at 6000 rpm and works for now. I once again told the customer that the only real fix is an oem cat. Thanks for all the help. Trouble codes: P0420 (Catalyst efficiency).
1974 Chevrolet C-60 366CID Hydrovac Power brakes
Thank you to all that responded. Here is what I have determined:This is a sorry excuse for a brake system. We made progress every step of the way. It now stops ok, not spectacular, but much better. Several people commented about collapsed vac hoses; most of t...
1988 Chevrolet C1500 Silverado 5.7L 1-2 shift VIN: 1GCDC14K6J
Well still don't have this thing fixed dropped valve body and didn't anything. I currently have TV pressure set to 90 PSI and it helps a little. Must be a problem in clutch pack so I will be removing this unit and taking it apart to find out but it will have t...
1996 Chevrolet K1500 Cheyenne 5.0L turn signals/hazzard VIN: 1GCEK19M3T
Hi guys ,customer dropped truck off last night and i drove it first thing this am and it is still blowing the fuse @55 mph so I pulled it on my chassis dyno and ran it up to 90 mph with NO blown fuse...I had checked the rear wiring the other day for trailer wi...
2000 Chrysler Cirrus LX 2.5L Engine VIN: 1C3EJ56H9Y
Thanks for the suggestions, but we decided to inspected flex plate and found it completely broke out of the center, this problem never caused any noises during start up or hard acceleration.
2005 Chrysler 300 (Car) C 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 2C3JA63H75
I have decided to go with the advise of most of the people that responded, and ordered yet another PCM. This will be the 5th installed. But before I installed it I used the Stabilant 22 on all three of the connectors. I started the engine and let the car id... Trouble codes: P2101.
2001 Dodge Durango SLT 4.7L headlites VIN: 1B4HR38N81
ctm was problem but customer could not afford it.all u atn members were right on the money.thanks again from lonely mechanic in central tx
2004 Ford F-150 FX4 5.4L Poor Fuel Economy, no power VIN: 1FTPW14584
Wired open intake runner valves and truck runs great. Cats are good. Valves will not open on own and replaced actuator and cleaned runners.
2003 GMC Sierra 2500 SLE 6.0L No Start VIN: 1GTHK24U83
Thank you all for giving my issue your attention. A quick summary of the entire job: Truck came in as a no crank. Tested all of the usual suspects and then performed a no crank pinpoint test. Results of the test= PCM not sending a ground signal to the starter ...
1997 Honda Odyssey LX 2.2L Surge, Stall, Poor Fuel Economy VIN: JHMRA1863V
Adjusted valves, MAP is now reading .88 volts at idle and engine runs better, but still bad when cold.Found all sensors reading good. Engine is wore out, has excessive oil blow by at colder temp. causing plugs to oil foul.
2008 Honda Civic MUGEN Si 2.0L ac not cold enough VIN: 2HGFA55518
after replacing the condenser unit(due to a rock hitting it and making it leak) late in the season last year...customer brought back complaining of poor cooling when temps got high this year. i verified complaint and then after searching for a fix, started thi...
2008 Lincoln Navigator 5.4L blower motor VIN: 5LMFU27538
first off. thank you for the 7 replies of which the overwhelming majority were correct. I ordered ground kit and blower speed control module and that fixed it. Kinda upset at myself on this one. If i would have just took my time and studied the wiring diagram ...
2012 Mazda 3 i 2.0L key fob VIN: JM1BL1VG2C
Thanks goes out to Kevin, Andrew, Alan, Tim and especially Sean for taking the time to provide me all the steps to program the fob. The customer only wants to spend for the fob, and not an extra key at this time. The procedure Sean listed seems identical to th...
2006 Pontiac Grand Prix GXP 5.3L ebcm VIN: 2G2WC58C06
Thank you to all that provided input with little feedback, sorry for that. The bottom line, came down to the EBCM. When it was rebuilt, they induced the C0236 DTC. We installed a new GM unit, problem resolved. We did find differences in the diag info from ...
2005 Saturn Ion-2 2.2L MIL Lamp on, reduced power VIN: 1G8AJ52FX5
Thanks for the help guys. There is a tsb for this problem. Moisture gets into a connector in the drivers kick panel and causes problems. Trouble codes: P2138.
2003 Volkswagen Jetta GLS 2.0L Excessive Emissions, Poor Fuel Economy VIN: 3VWSK69M53
Thanks everybody for all the help, some of you said to check grounds and we did that, specially the ones near the PCM, we clean them, then took car for test drive all remaing monitor got set, LFT read 1.6%, come back check emmisions and it look very clean so w... Trouble codes: P1176 (02 Correction Behind Catalys), P1364 (Cyl. 4 Ignition Circuit Open).
2006 Volvo XC70 2.5L Timing marks VIN: YV4SZ592X6
Thanks to the three respondents to this. This was a first time customer recommended by a long time regular. He had been away and the car started running rough - went to a Volvo dealer out on the road and they told him #3 cylinder had low/no compression (he was...
2006 Volvo XC90 2.5T 2.5L instrument cluster message VIN: YV4CY592X6
The fix was a new CEM I had already check fuses correct bulbs on both sides swap know good headlamps assemblies. Wiring ok Thanx for all the help
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