Automotive Technicians Technical Discussion and Fixes for Oct 8, 2013

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	Help Request	Answers
	2000 Audi A6 Quattro 4.2L Timing Chain VIN: WAUZL64B0Y This one is killing me and I have run out of ideas! Car had a P1522 code (intake camshaft control malfunction, bank 2), p0300, p0305, p0306, P0307, P0308 and a loud rattle from the left bank. Suspected a faulty chain tensioner. Resistance tested the solenoid a...	View
	2002 BMW 325i 2.5L pressure solenoid VIN: WBAEN33482 need help with this 325I Wagon,sometimes it goes into the failsafe mode, owner states when this happens he can cycle the ignition and it will work correctly, shift in a normal fashion.Scan tool reads a BMW code 03, pressure control solenoid C,What happened to ...	View
	2009 BMW X5 xDrive48i 4.8L Misfire Cyl #8 VIN: 5UXFE83539 2009 4.8L N62TU engine with a misfire on cyl. #8. The misfire seems to happen when lugging the engine going from a deceleration to a part throttle acceleration. (The DME is weak at identifying a misfire and won't come on till the engine has had multiple occurr... Trouble codes: P0308 (Cyl 8 misfire), 29D4	View
	2011 Buick LaCrosse CXS 3.6L tires / bearings VIN: 1G4GE5ED1B Greetings 2011 Lacross cxs with 19" tire option. This car has excseeive road noise it starts at 20mph the faster you go the louder it gets. I would say the frequency is consistant with a bearing type noise. All bearings we tested with a stethoscope and found a...	View
	1995 Chevrolet Tahoe LS 5.7L 30 kv at idle VIN: 1GNEK13K7S Truck came in for missing and stalling. Found coil wire arcing to coil body. Tuned up and fine for now but firing 30 k at coil wire and 25k at plug wires at idle. Fuel trims indicate not lean and timing is correct. Receipts in truck indicate this has been happ...	View
	2002 Chevrolet Tahoe LS 5.3L Compressor VIN: 1GNEK13TX2 After finishing the repair, ran vechicle and the rear air is blowing very cold, the front will not blow cold at all. evacuated and checked for blockage in the front evap and it still appears there is none. currently the rear air blows cold but the front will n...	View
	2002 Chevrolet Impala LS 3.8L Cuts out VIN: 2G1WH55K32 Thanks in advance for any help I'm pulling my hair out on this one. Car will cut out for a a second and then keep running. It will do it a t idle in the bay and also out driving under load. While this happens I loose communication with the scanner. As soon as ...	View
	2002 Chevrolet Impala LS 3.8L right axle seal leaking VIN: 2G1WH55K72 At this point I'm not sure what to do with the car. I have replaced the right side cv axle twice(aftermarket axles/rebuilt) and the seal 2 times with aftermarket seals and once with a factory seal. What am I missing here? I've also applied a little RTV to the ...	View
	2002 Chevrolet Silverado 2500 HD 8.1L Cuts out VIN: 1GCHK29GX2 Truck stalls intermittently and will not start until engine cools off or wait for a while. Crank sensor sits on the driver side of bell housing. Freeze frame shows 0 rpm cranking. Trouble codes: P0335 (Crank shaft position sensor circuit), P0404, P0706	View
	2005 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1GCHK232X5 This vehicle came to us after Chevrolet dealer changed filters and told customer "that is as good as it runs". Customer complains of knocking noise in engine up to approximately 1700 rpm, runs rough at idle and fuel mileage dropped from 16 mpg to 12 mpg. No MI... Trouble codes: P0300, P0301 (Misfire cylinder 1), P0302 (Misfire cylinder 2), P0307 (Misfire cylinder 7)	View
	2007 Chevrolet Aveo LS 1.6L Compressor VIN: KL1TD66607 Have a 2007 Chev Aveo hatchback that the AC blows 28 degrees & will freeze up on the highway. This is a manual ac system. There seems to be no ac compressor control to keep this from happening. From the wiring diagram & a visual inspection there is no low pres...	View
	2008 Chrysler 300 LX 2.7L MIL Lamp on VIN: 2C3KA43R28 This engine has a broken crank shaft pulley bolt. The crank pulley is on TIGHT and I can not remove it without using a puller. My questions are as follows: 1)could the crank pulley be setting these codes since it is not bolted in place? 2)Are there any good dy... Trouble codes: P0325 (Knock/Combustion vibration sensor)	View
	2001 Dodge Stratus ES 2.7L cam timing Hi everyone, I have here a 2.7L that I have replaced the water pump on due to leaking out the weep hole, continously. At the customer's request, I replaced the timing chain while I was in there, and then decided to replace the guides, hydraulic tensioner, cam ...	View
	2004 Dodge Ram 2500 ST 5.9L Poor Idle Quality VIN: 3D7KU28C74 Looking for the cummins guys thoughts, this truck mainly when hot at idle will have a spike in rpm, when in drive its most noticeable feels like an injector over fuelling rpm will rise and almost bump the truck foreward if your not on the brakes, doesn't alway...	View
	2005 Dodge Ram 3500 SLT 5.9L hanger bearing VIN: 3D7MS48C15 this truck was purchased 3 years ago with a six inch lift kit - over sized tires - customer replaced broken hanger bearing assy - after 2 days it shreaded the rubber insulator around bearing. they drove the truck in with only the front drive shaft. rear axle a...	View
	2007 Dodge Ram 1500 ST 5.7L Engine noise VIN: 1D7HA18287 Truck came in for a popping noise when first started the noise goes away after about a minute. It pops every few seconds and the truck jumps when driving at slow speeds the noise sounds like its coming from the front of the motor. All I can pickup from any for...	View
	2000 Ford Taurus SE 2-Valve 3.0L No Start VIN: 1FAFP55U0Y The customer was driving and the cer cut off on him,as not started since. I can get it started by spraying starting fluid in the throttle body is the only was it starts. The problems is one of two, First the fuel injectors are all not getting a ground pulse f...	View
	2006 Ford Mustang GT 4.6L Poor Idle Quality Vehicle has intermittent excessively hi idle during parking manoeuvres. The pids for APP 1, 2, 3 and TP1 TP2 are with in specs according to AD. I can't duplicate complaint at this time. Owner was so upset that they had it towed to shop. Could this be caused by...	View
	1995 GMC C1500 Sierra SL 6.5L No Start, Cuts out, Stall VIN: 1GTEC14P8S Vehicle runs strong between failures. After restoring fuel pump operation (new oil pressure switch), now restarting after stall is immediate. Sometimes it runs 30 minutes+ with no failures. Monitored power to FSD during stall and circuit maintained 12.7V. All ... Trouble codes: DTC, 35 (history code after clearing codes has not reset after multiple stall), DTC, 33 (MAP high. Has reset once since initial code clearing), DTC, 32 (EGR System problem. Code re-appeared once since clearing), DTC, 65 (Accellerator pedalposition. Historical code. Has not re-occured)	View
	2007 GMC Yukon XL 1500 SLE 5.3L gauge cluster VIN: 1GKFK16337 customer came in stating at night, the back lighting on the gauge cluster will flicker and is very hard/ near impossible to see regardless of potentiometer position. however, the HVAC control, radio, dimmer switch and radio control buttons on steering wheel fu...	View
	2007 GMC Acadia SLT 3.6L Park Assist VIN: 1GKEV33737 Hello Group Todays pain is a Parking assist problem we got from the collision shop Have replaced all the ultrasonic detectors and the control Ohmed all the wires back and forth - there is no damage to the harness anywhere. Keep getting codes 0958 0959 0961 wit...	View
	1994 Honda Civic DX 1.5L ignition coil VIN: 1HGEJ2122R Customer brought vehicle in saying it stalled and would not restart, I performed various test as well as a current ramp for the coil and after failing the current ramp test I installed a standard motor products (tru-tech)ignition coil. It ran and ran well for ...	View
	1992 Isuzu N NRR 6.5L runs out of fuel VIN: JALE5B1U7N A couple of months ago truck was towed in, crew had replaced fuel filter because truck stalled. I bled filter and fuel rails. Their story didn't make much sense, but it was running, and it ran for months. Truck towed in today- same scenario. Stalled and no re-...	View
	2005 Jaguar XJ8 4.2L Glovebox VIN: SAJWA79C65 Hello Group, This vehicle is owned by a used car co.Problem is the glove compartment door will open electronically,but won't latch closed.Latch is controlled by a control unit actuator.When you press the button to open the glovebox,the actuator moves to the r...	View
	2001 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A01 I'm getting a P0304, P0303, and P0300 stored in memory. The car runs rough at idle, Fuel Trims show bank 1 as -25% and bank 2 as +25%. I have replaced all spark plugs and #4 coil with no change. EGR Valve is functioning correctly with no leakage. No excessive ... Trouble codes: P0300 (Random Misfire), P0303 (Misfire Cylinder 3), P0304 (Misfire Cylinder 4), P0172 (System Rich bank 1)	View
	1993 Mercedes-Benz 500SL 5.0L No Start, Cuts out, Stall, MIL Lamp on VIN: WDBFA67E3P this vehicle was towed into our shop leaking coolant. it had overheated and would not start for customers daughter. it started immediately and we drove into shop. we pressure tested and found bad water pump. after replacing water pump, hoses, and belt we start...	View
	1996 Mercedes-Benz C280 2.8L monitors wont comple VIN: WDBHA28EXT This one will not complete AIS,EGR,and CAT monitors. Extensive driving done,over 1000 miles city and freeway. O2 sensors replaced.EGR Passes cleaned and EGR system is fully operational to the best of our knowledge.AIS works ok also. another PCM does not start ...	View
	2000 Mercedes-Benz S430 4.3L air ride VIN: WBDNG70J3Y Ok guys, need your help here. This S430 came in without any lights on the dash for a noise over bumps. Front wheel bearings were loose, inner tie rods had play. We started by replacing inner tie rod ends and wheel bearings. Ended up with code c1101 Speed senso...	View
	2002 Mercedes-Benz C240 2.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBRF61J72 thanks for taking time to read! this Mercedes has us a bit baffled. it has a rough idle. it sets a code for misfire on cylinder #5. we can monitor the faults and see a slight misfire on #5. we swapped coil and wires with 3 other cylinders to confirm they were...	View
	2007 Mercedes-Benz E350 3.5L Steering Angle Sensor VIN: WDBUF56X47 Trying to recalibrate the steering angle sensor in a Mercedes 211.056 E350. We replaced front control arms (traction struts) after we found the bushings in bad shape. The steering wheel was off center to the left before the work and during the alignment we fou...	View
	1997 Mitsubishi Mirage DE 1.5L Alternator VIN: JA3AY26AXV I have been working on this vehicle for 3 weeks now. The battery light is on as well as the brake light. Ive tested everything i can think of, I think i migh have a short from a test light test i performed on the battery and ground cable. If any one can thing ...	View
	2001 Oldsmobile Alero GL 3.4L Airbag VIN: 1G3NL52E61 vehicle was a no start. was taken to another shop. They had a security issue. They bypassed security system with a resistor. Still no start. Vehicle was brought to me, I reconnected circuit wiring to oem. Ck wiring to bcm. all was good. Customer had gotten a u...	View
	2004 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S14 This problem is intermittent. Check engine light would come on with this code about every 50 miles. The light would even go out on it's own most of the time. The first thing I did was simply replace the map sensor with no test. (most common failure) Customer r... Trouble codes: P0106 (Map sensor performance)	View
	2000 Toyota Avalon XL 3.0L Oil VIN: 4T1BF28B7Y Vehicle came in with smoke coming out the tailpipe on start up after sitting for a while and complaining of excessive oil consumption. I know these engines have sludge issues so i went ahead and pulled the front valve cover. Sure enough there is excessive slud...	View
	2006 Toyota Prius 1.5L Hybrid Drive VIN: JTDKB20U96 This vehicle came in with the Hybrid Drive Red Triangle light on dash. Figured ok bad aux water pump! Well after scanning the hybrid system I have a code I have never seen on a Prius. P3110 HV Main Relay? Ive done some research on Alldata and from what I can t...	View
	2006 Toyota RAV4 Limited 2.4L Poor Idle Quality, Stumbles VIN: JTMZD34V26 Got a Rav4 here that the idle speed stumbles or drops when the ECM activates the electric cooling fans. Progressively getting worse. Alternator output good and battery test good. I want to suspect excessive current draw by the cooling fans but my suspicions ar...	View
	2003 Volkswagen Passat GL 2.8L Misfire cyl #3 VIN: WVWTH63B63 THIS 2.8L V6 HAD A CONSISTENT MISFIRE AT IDLE ON CYL#3. THE MISFIRE COUNTER JUST KEPT COUNTING UP ON THE VAG-COM AS THE ENGINE SAT IN THE SHOP BAY RUNNING AT IDLE. WE SWAPPED THE SPARK PLUGS, FUEL INJECTORS, CHECKED THE COMPRESSION AND THE FUEL PRESSURE, SMOKE... Trouble codes: P0303 (Cyl 3 misfire.), P0300 (Random mult. Misfire.), P0421 (Cat converter efficiency b1), P0422 (Cat converter efficiency b2)	View
	2004 Volkswagen Beetle GLS 2.0L 1-2,2-3,3-4,4-5 harsh shifts VIN: 3VWCM31Y24 The vehicle came in with harsh shiffting 1-2, 2-3, 3-4, 4-5 gears. we scan the computer and found a code 01045. the code directed us to a faulty tiptronic switch that would read error on the scanner when it dropped to the standard postion then continue to read...	View
	2006 Volvo XC70 2.5L Safety VIN: YV1SZ59576 Keys of this car where lost. Can somebody help me to get the key code from the vin number. Need a key code to cut the key otherwise will have to replace all cylinder locks and I do not want to do that. Also need some help to program the remote control.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW 323i 2.5L Compressor VIN: WBABJ7339X this beemer is fixed. short story is a new dme fixed it. how I got to that route involves my original thought that it was bad. but after the replies with everyone saying check out the rpm signal I started there. I never got any codes out of the dme. it thought...	6
	2004 BMW 525i 2.5L compressor VIN: WBANA53564 Hello gentlemen, I have come to a conclusion on this vehicle. I am 99% sure that it does in fact need a new compressor. The next day I went out to do a little more testing on it and I found that the ambient temp sensor was reading normal first thing, not 32 ...	7
	2009 BMW 328i xDrive 3.0L MIL Lamp on VIN: WBAPK535X9 Well guys, I have to apologize on my scattered diagnostics. First off, this being the first beamer I've worked on with the valvetronic and VANOS system, I screwed up. I was under the assumption that both of the systems were pertaining to what I know as varia... Trouble codes: P1030 (2A38 Valvetronic movement Sluggish), 29E1, 29E0.	7
	2007 Chevrolet Silverado 3500 HD WT 6.6L Engine bad VIN: 1GCJK33667 Sorry for the long delay, but I was having trouble getting in touch with the owner. I really appreciate everyone's responses. After presenting the info and choices, the owner has decided to go with a re-man engine (WOO HOO!!!). I also requested the cost of ...	13
	2008 Chevrolet Trailblazer LT 4.2L Starting VIN: 1GNDT13SX8 The problem was at the rear of the radio it was a short in the connector.	6
	1998 Dodge Ram 1500 ST 5.2L Speedo VIN: 1B7HF13Y1W Welp Boils down to this... After testing every wire and replacing ABS sensor then removing sensor and putting old one back on I gave up... Well not really. I test drove a few different times. After last testing I drove again. Got pissed because it wasn't worki...	3
	2003 Dodge Grand Caravan Sport 3.8L No Start, MIL Lamp on VIN: 2D8GP44L23 There is no way I can express how thankful I am to ALL of you, the professionalism displayed in this simple post was amazing to say the least. Of so the answer was the wiring harness. I tried ohming everything I could possibly imagine (Coils, Injectors, Every... Trouble codes: P0118, P1598, P0123 (Tps Voltage High), P0509 (IAC Sens Circuit High).	20
	2004 Dodge Stratus ES 2.7L Cruise VIN: 1B3EL56R94 Warranteed the new PCM, so far so good. Frustrating when you get faulty new parts.	5
	2006 Dodge Ram 2500 SLT 5.7L Engine VIN: 3D7KR29C66 Thanks for all the replies. Turned out to be the dual mass flywheel. Installed a solid flywheel assy.and clutch kit. Wasn't familiar with Dodge clutch system, it did have the dual mass.As advised removed belt and checked for dead cylinders. Just when I would a...	8
	2003 Ford F-250 Super Duty XLT 6.0L cooling VIN: 1FTNW20P33 thank you for all the responses. they were very helpful. we ended up doing an egr delete kit (friend wanted to save money) and we got it back together this weekend. w ended up pulling the glow plugs from the passenger side to get excess coolant out and loos...	39
	2004 Ford Focus SE 2.3L ride control VIN: 1FAFP34Z14 Our mistake. We replaced rear brake drums and shoes and did not properly torque the rear drums+bearings. After torquing to 170ft lbs no more wobble. Oops.	11
	2006 Ford Expedition XLT 5.4L ac coil sorry so long to respond. we finally fixed it by changing out the pigtail to coil. no damage noted but thank you all who responded.	14
	2006 Ford Escape Hybrid 2.3L Steering VIN: 1FMCU96H26 Well it turned out to be the module. I got confused when MOD said to ck the torque sensor pins harness side, and I thought it ment to ck the sensor, they actualy ment to ck the harness for shorted wires. Plugged in the module and away we go. So the short to vo...	3
	2006 Hyundai Sonata GLS 3.3L oil VIN: 5NPEU46F46 thanks for eveyones input. we changed the oil again and the noise just kept getting worse. we dropped the upper and lower oil pans and took a look at the bearings and all were scored badly. with oil pan off pressureized cooling system overnight had no coolant ...	7
	1987 Jaguar Vanden Plas 4.2L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: SAJAY1341H We were unable to find any fix for this. We sent it off to another shop to look at it. We did check for overfueling through the EVAP canister but found no gas there. Injectors were pulsing at 7ms with half throttle and would fluctuate with throttle. Also tried...	14
	2000 Jaguar S-Type 3.0L battery VIN: SAJDA01CXY Sorry for late post to close.This thing is fixed.The problem was that someone tapped into the ground control circuit for a/c clutch relay.Evidently they werent getting a ground signal from computer so in the wiring harness they found a wire that had ground,the...	11
	2001 Land Rover Discovery Series II SE 4.0L Hesitation, Early Trans Shifts VIN: SALTY12491 Turns out that this shifting issue is "normal"! We tested the MAF / TPS / VSS to verify that they are working properly. Found a section of the Owner's Manual that discusses the shift points and how to get the trans to downshift with use of accelerator pedal an...	9
	1999 Nissan Maxima GLE 3.0L Timing Chain VIN: JN1CA21D1X Still fighting this noise, have apart a 3rd time. Ran some carbon clean through the engine thinking it might be carbon buildup on the pistons, no change. All valves, buckets and cams are in good condition, no broken springs, valve lash ok. Noise is higher freq...	5
	2001 Nissan Pathfinder LE 3.5L Speedo VIN: JN8DR09Y41 Thanks to those whom took the time to reply. It was the cluster, both clusters were burnt on the under side inside after taking them both apart I found what someone mentioned way back in the history here. I dont like to use used parts but doing work for USED ...	9
	2005 Nissan Xterra Off-Road 4.0L MIL Lamp on VIN: 5N1AN08W55 I had the bank 2 cam off by one tooth. I guess the computer was compensating, but I still don't understand why the cam sensor showed it being off by 30 degrees and it still ran perfectly. Let me know if you can explain that... Trouble codes: P0011.	5
	2005 Nissan Frontier LE 4.0L Timing Chain VIN: 1N6AD07W95 Thanks, Kevin [...] and David for the helpful replies on getting the right torque specs for doing the chains on this engine. The only spec we could not get or find was for the cam gear sprockets. The vehicle has been gone for over two weeks and I just talke...	3
	2006 Nissan Murano SL 3.5L Hesitation, MIL Lamp on VIN: JN8AZ08W66 Transmission Valve Body needed to be replaced. I was informed by the local Nissan dealer that the Transmission is covered under warranty through Nissan 8 years or 120000 miles. I recommended for her to bring it to Nissan to look for warranty coverage. They dia... Trouble codes: P0744 (Torque Converter Lock Up Error).	6
	2006 Nissan Murano SL 3.5L Hesitation, Surge VIN: JN8AZ08W46 This is not a fix performed by me personally, but at the dealership. We wound up sending it there with the suspicion of a transmission problem and knowledge of an extended service policy issued by Nissan regarding the transmission warranty. The policy allows... Trouble codes: P0725 (engine speed signal not received by TCM).	3
	2006 Nissan Murano SL 3.5L cruise surge VIN: JN8AZ08W46 This is not a fix performed by me personally, but at the dealership. We wound up sending it there with the suspicion of a transmission problem and knowledge of an extended service policy issued by Nissan regarding the transmission warranty. The policy allows...	2
	1997 Saab 900 S 2.3L pedal effort VIN: YS3DD38B5V Perhaps my question needed better wording, but most folks got the idea correctly ~ the brakes work fine with additional vacuum supplied to booster, but the stated 8 inches vacuum at idle was not enough to provide normal pedal effort. Working with Oren from Isr...	12
	2007 Volkswagen Golf City 2.0L Power Windows VIN: 9BWEL41J27 Thanks for the help. Even though the codes indicated it was a wiring issue. It ended up being the drivers door switch was the culprit. Its a multiplex switch to roll the window down the switch puts the wire to 0 volts.To roll the windows up its about 7 volts. ...	5

(Also Available: All, Asian, Chrysler, European, Ford, GM.)