Automotive Technicians Technical Discussion and Fixes for Oct 7, 2011

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	Help Request	Answers
	2003 Acura TL 3.2L module?? VIN: 19UUA5643X guys need help on this acura tl customer comes in with the engine light is on and the rpm fluctuates up and down found the problem on that but there is one problem i got stuck with theres another code in the pcm for transmission code p0700 and its calling for ...	View
	2000 Audi A4 Quattro 2.8L MIL Lamp on VIN: WAUDH28D4Y Thanks in advance for the help. We have replaced the the combination valve on the affected bank (bank 1). Now when I activate the pump and open the valve manually with a vacuum pump, I cant feel any air out the tail pipe. When O do this on bank 2 it blows out ... Trouble codes: P1423 (AIR injection no flow bank 1)	View
	2000 Audi A6 Quattro Avant 2.8L Time and Date display VIN: WAULH24B6Y I don't believe the center LCD display going out is related to my problems on the date/time display, but please let me know if I'm wrong. The time and date reset to 12:00 after the car sits for more than half an hour(or so) just as if you disconnected the bat...	View
	2001 BMW X5 3.0i 3.0L Misfire, MIL Lamp on VIN: WBAFA53521 Vehicle came in with all six cylinders misfiring and oxygen sensor bank one and bank two pre cat deviation codes. Found coils burned up from arching and spark plugs mismatched Replaced all coils and spark plugs. Cleared codes and test drove vehicle, vehicle ra... Trouble codes: P0301 (Cylinder 1 misfire), P0302, P0303, P0304, P0305 (Cylinder 5 misfire), P0306 (Cylinder 6 misfire)	View
	2000 Cadillac DeVille 4.6L No Oil Pressure VIN: 1G6KD54YXY Hi: After replacing the alternator and draining the engine oil, replacing the filter and installing 5 quarts we have no oil pressure. The drain plug was out for no more than 15 minutes.After running the engine for about 15 seconds, the engine was stopped. We t...	View
	2001 Cadillac DeVille 4.6L Unkown VIN: 1G6KF57971 Vehicle has a shudder or vibration felt under load on acceleration. Can be felt through the floorboard & seat at 18-21 mph then again comes in at 45 mph & up. Have inspect motor & transmission mounts-good. No play in steering components. Tire balance is good (...	View
	2000 Chevrolet Express 3500 5.7L No Start VIN: 1GDJG31R9Y This is a delivery van for the school district here that gets very little use. At first start in the morning when I try to start it it just spins over and will not start then I will turn the key back to off and then back to start and it will usually start righ...	View
	2001 Chevrolet Impala 3.4L Starting System VIN: 1J23H43455 This car will not crank. THe factory radio has been removed. From testing I know that the PCM is not grounding the Crank Relay. What I dont know is why. The security light does not flash, but stays on (cycling with the battery light, change oil soon, wiper flu...	View
	2003 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK14X33 This truck has me stumped!!! O2 Sensors installed but vehicle misfires after 5-10 miles and FT%/ST% above threshholds after driving. O2's flatline and system dumping fuel due to lean condition. Inspected spider assy with fuel pump running and no detectable lea... Trouble codes: P0151 (O2 Switching), P0174 (Excessive Lean Bank 2), P1153 (No Switching)	View
	2004 Chevrolet SSR 5.3L battery drain VIN: 1GCES14P24 I think I have covered about everything I can think of. The battery is fully charged when I tested the draw with the key off.	View
	2004 Chrysler Pacifica 3.5L rear hatch latch VIN: 2C8GF68484 hi all fellow techs. got us a head scratcher here. have an 04 chrysler pacifica with an inop auto rear hatch. One of the other techs diag'd it to be the latch motor, so we got a new one installed but still no hatch function from hatch handle, button near rearv...	View
	2008 Chrysler PT Cruiser 2.4L No Start VIN: 3A8FY48B38 Its Friday and I am working with this PT Crusier. It begins 5 weeks ago when the car was towed to our shop for a no start,no crank. found information on a TSB#08-007-08 for a Electronic Lockup of the WCW/SKREEM. Installed module sent to dealer for reprogram al...	View
	1998 Dodge Ram 3500 5.9L No Start VIN: 1B7MC336XW truck was towed in it cranks but wont start wait to start light flashes will communicate sometimes with scan tool acts like the pcm is not there any help will be appreciated Trouble codes: 1692 (no pcm output)	View
	2000 Dodge Caravan 2.4L Timing belt VIN: 2B4FP25B2Y I just purchased this van knowing it had a coolant leak at the water pump and lower radiator hose. Replaced lower hose. Replaced water pump. Pressure tested and does not appear to have any further leaks. The problem I am having is that I can’t seem to maintain...	View
	2001 Dodge Dakota SLT 4.7L seat belt circuit VIN: 1B7GG2AN21 need help please,this dakota came in with airbag light on scanned it and it said (driver side seat belt tensioner circuit open)i did what test i could that mitchell said and it lead to airbag control module but im not positive.i cant test the seat belt sensor....	View
	2003 Dodge Caravan SE 3.3L radiator fan VIN: 1D8GP25R33 Hey guys, going around in circles on this one. P1491-radiator fan relay circuit open or short. Vehical came in, cooling fans inop. could not control with Solus. Checked power and ground to relay-good. Checked for a good ground on the black/darkgreen wire on th...	View
	2006 Dodge Ram 3500 SLT 5.9L Electronic VIN: 3D7MX48C56 This vehicle will start up fine and idle with a slight miss,if you place the transmission into gear the engine begins to build rpm slightly as if to be under a great load and while still applying brake pedal pressure you can press the accel pedal as much as fu...	View
	2007 Dodge Caliber SXT 2.0L No Start VIN: 1B3HB48B47 Hey guys,have this caliber here that keeps blowing fuse 26 intermittently causing a no start.The fuse is in the underhood fuse box and judging from the wiring diagram,controls the power feed for all the fuel injectors and the cam actuators.When the vehicle fir... Trouble codes: P2088, P2090	View
	2008 Dodge Sprinter 3500 3.0L Valve cover VIN: WD0PF44528 Need to remove the valve cover and need any advice on how to do this without breaking the valve cover. The instructions say to use a heat gun but sure does not seem to be making any dent on the RTV sealer. Being the valve cover assembly is the upper cam journa...	View
	1995 Ford Bronco Eddie Bauer 5.8L Unknown Working on a 1995 Bronco with electronic shift/electronic four wheel drive. The high range 4x4 works fine, but light will not illuminate for low range, and in fact after testing the vehicle does not have low range when activating the switch. Replaced the swi...	View
	1997 Ford Thunderbird LX 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FALP62W5V Tested coil pack ok injector ok compression ok spark ok Trouble codes: P0303 (Misfire cylinder 3)	View
	1998 Ford F-150 4.6L shift solenoid pack VIN: 1FTZX18W2W Hello, Hope some can help me with this one. I have a 4R70W. I'm replacing the shift solenoids. There's a pair of them on a single plate. I removed the solenoids and a spring and orifice fell into my drain pan. I check with alldata and it don't show any type of...	View
	1999 Ford Ranger XL 3.0L No Start, Stall VIN: 1FTYR14UOX Greetings fellow techs. I have this feeling that i'm missing something so simple here. The truck will always fire up but immediately stall. No security codes or light flashing or on while cranking. Fuel pressure great. No engine codes. Vehicle had remote start...	View
	2003 Ford F-350 Super Duty Lariat 6.0L No Start, Cuts out VIN: 1FTSW31P7E Vehicle will start fine cold. Runs OK until it appoaches 110F ECT. At that point it starts to run rough and finally dies. not to be restated until it cools down. Does this every time. When brought in Stater was dead so I changed that. Multiple codes, I cleared... Trouble codes: P2636	View
	2004 Ford F-350 Super Duty King Ranch 6.0L alternator VIN: 1FTSW31P74 any weird problems anybody	View
	2004 Ford F-250 Super Duty Lariat 6.0L smokes VIN: 1FTNX21P64 Vehicle runs great now. Vehicle starts and idles good, after 30-45 min. of idling, put the vehicle in motion and it produces lots of white smoke. Vehicle has to be in motion to produce smoke. Sometimes you can drive it for an hour (running clean), take a corne...	View
	2005 Ford Escape XLT 3.0L No Start VIN: 1FMYU931X5 This is a puzzle..Truck wouldn't start,checked plugs & they were soaked with gas..Removed the plugs ,changed the oil & installed new plugs & truck started for 10 minutes,started to chug & then stalled...On cranking the tailpipe emitts black smoke..I thought ma...	View
	2006 Ford Fusion SE 3.0L MIL Lamp on VIN: 3FAHP07186 This Fusion came from another shop, the engine runs fine, no misfires, etc, after warming up, upon acceleration the trac light will appear, the wrench symbol appears, the trans goes into limp home mode, the check engine light comes on, and if you continue to d... Trouble codes: P260F, U1900 (Chip malfunction can bus fault), U0073 (Chip malfunction can bus fault), P1657 (TCM communication link error)	View
	2004 GMC Envoy SLE 4.2L Hesitation VIN: 1GKDS13S44 Hello IATN compadres...I don't post many help requests but this Envoy is kicking my hiney... This vehicle was driven in by customer. The primary complaint was now power under acceleration and it boggs really bad (customers words). We test drove and confirmed ...	View
	1998 Jeep Grand Cherokee Laredo 4.0L Coil VIN: 1FGE32G1CW Vehicle will occasionally shut off. It restarts right away and wuns fine for over an hour, than it will shut off again. I hooked an inline spark tester and injector noid light and finally got vehicle to fail. When it shuts off it still has injector pulse but n...	View
	2000 Jeep Grand Cherokee Limited 4.7L blower motor VIN: 1J4GW58N6Y this thing came in with multiple hvac issues including inop blower motor and blend air problem. had melted blower module and broken blend doors. replaced blend doors, evaporater, and installed new blower motor module with updated part and wiring harness. all f...	View
	2000 Jeep Grand Cherokee Laredo 4.0L pcm VIN: 1J4GW48S5Y Vehicle barely runs- found battery voltage 15-17v. Unplugged alternator fields, vehicle runs fine.Running prob is caused by overcharging. Battery gauge is in-op, and Scanner battery voltage reads 0. All other gauges are functioning. PCM seems to be grounding a...	View
	2007 Mazda CX-7 Touring 2.3L Variable Timming VIN: JM3ER29387 How to set variable timmingacuator	View
	2003 Mercedes-Benz E500 5.0L Malfunction VIN: WDBUF70J83 Vehicle came from another shop, they tried to reset the "Service Inspection" somehow they did not clear anything but managed to get more info on the display. Display in cluster - "Main inspection performed on time ?" & "Emmissions Inspect. Performed on time?" ...	View
	2000 Mercury Villager Estate 3.3L Power Seat, Power Windows, Power Mirrors VIN: 4M2XV14TXY Power seats, windows and mirrors inoperative. Is there anyone who can help? i have read many forums and blogs but after extensive testing i cannot find a solution. Please help!! thank you in advance for your time and consideration. Ron [...]	View
	1999 Nissan Frontier SE 2.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1N6DD26S6X Check engine light has come on and off on this vehicle for a few years, but it always went out just before the emission test was due. Had a P0400 for EGR flow, vacuum hose had come off EGR valve, replaced and this code has not come back. This week his luck ran... Trouble codes: P0440 (EGR Flow)	View
	2006 Nissan Xterra SE 4.0L Unknown VIN: 5N1AN08W66 Help nissan techs! the a/c controls are malfunctioning. The heater fan will not work on all speeds. If you set it to high the fan will run but not full speed. The temp control and vent controls are in-op. The buttons at the base of the a/c head are ...	View
	2002 Pontiac Firebird Trans Am 5.7L Poor Idle Quality, Stall, MIL Lamp on VIN: 2G2FV22G92 Ok, I tried an f-body/LS1 forum first and since it's already written, I will paste it in here... Short story - I'm a tech at an independent Honda/Japanese specialist. We do work on domestic, but it is less advertised. I pretty much do all the diagnosing and t... Trouble codes: 300 (random)	View
	1992 Toyota Camry XLE 3.0L Unknown VIN: JT2VR13E6N This Toyota came in with loose, noisy differential bearings, but was shifting and working fine otherwise. We pulled the transmission, and replaced the differential bearings, then went ahead and put in all new clutches, seals, gaskets, oil filter, oil pump, and...	View
	2002 Toyota Tundra 3.4L Throttle Limp Mode VIN: 5TBRT34112 This tundra came in originally with no throttle operation and codes p1129 and p1126 only. further testing showed throttle to be working KOEO with no fault and correct amperage shown with Techstream and Mastertech scan tools. As soon asn the engine starts, the ... Trouble codes: P1126, P1129	View
	2008 Toyota Highlander 3.5L Misfire, MIL Lamp on VIN: JTEES41A58 Car runs great until you accelerate hard then the ses blinks and misses and low perf. Turn key off and restart runs fine until you accelerate hard then runs poor again with above codes. Nothing in iatn or mitchell. Any toyota techs out there that can help me o... Trouble codes: P0304 (Cyl 4 misfire), P0306 (Cyl 6 misfire), P2240 (Sensor pumping current bank 2 sensor 1), P0174 (System lean bank 2)	View
	2000 Volkswagen Jetta GL 2.0L No communication VIN: 3VWSA29M1Y Hi guys, I Have a good one here and I think I have it narrowed down but I wanted to ask input on this before I proceed. This 2000 VW Jetta has no running complaints but failed smog due to having no communication with the Engine Control Module. I have already ...	View
	2002 Volkswagen Jetta TDI 1.9L Door Locks, Windows , Instrument Cluster , Dome VIN: 3VWSP69M52 Hey Guys I hope you have some good answers for me as this one is a tough one. Customer has had this symptom for awhile and I have yet to pin it down. Car every 3-4 months after he has been drving for a bit (20-30 miles) he'll shut the car off and find the odom...	View
	2009 Volkswagen Jetta TDI 2.0L MIL Lamp on VIN: 3VWAL71K69 Veh sets code P0401 (01025). Veh is new to customer, has new EGR. Mitchell has no info for this Code. Watched desired and actual flow on VAG com, they match or are within 100 of each other. Any info would be appreciated. Trouble codes: P0401 (Insufficient egr flow)	View
	1998 Volvo V70 X/C AWD 2.4L No Start VIN: YV1LZ5642W car will not start after last drive. has fuel pressure and cranks normal. found engine fan running with key on which is normal for code 123 ect sensor, replaced with new sensor, same issue. check wiring from engine to ecu no problems found. It seems like a com... Trouble codes: 314 (Cpm sensor), 123 (Ect sensor), AT213	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 Audi A6 Quattro 4.2L soft coding VIN: WAUZL64B71 I had two replies and I want to thank you guys for helping me. I didn't know Ross-Tech had that coding strings available, kudos for the guy from Kenya. That is very nice to know and I appreciate your time. Thanks again. I am considering this issue fixed.	3
	2001 Audi A6 Quattro 2.8L brake pads VIN: WAUEH6BX1N Gentlemen Sorry for the extended time frame. The owners went on vacation and we just got the car back. I wish we had some profound fix for you but we do not. We checked pad looseness in the mounting bracket and found they had play and were not hanging up. W...	5
	2004 Audi A8 Quattro L 4.2L Bleeding New ABS Unit VIN: WAUD199999 Thanks for all your help. Oddly enough, it was the master cylinder that went bad while the initial bleeding of the new ABS unit. The brake fluid was very dirty and had condensation from the looks of it. Suprising for a 2004, something I would think to see on a...	9
	2005 BMW 545i 4.4L No Start, No crank VIN: WBANB33525 Thanks for all the help, we told the shop to replace the DME, and then we would align with the CAS, the customer decided to take it out of that body shop and bring it to a dealer. I found out through a friend that the DME did fix the problem, why he didn't le...	9
	2006 BMW 325i 3.0L wipers VIN: WBAVB135X6 Thanks to the techs who supplied info as to the whereabouts of the relay. Unfortunately the customer decided to take it to the dealer & has not reported back as to the fix.	3
	1994 Chevrolet C2500 Silverado 6.5L No Start, Stall VIN: 1GCGC29FXR Sorry for the time to close, I wanted to make sure this was fixed. So mmany different shop had worked on this truck in the past with no success. I was the injector driver module that cured the problem. He had it replaced before but with used ones. Thanks for a...	12
	2005 Chevrolet Aveo LS 1.6L Hesitation, Cuts out, Stall VIN: KL1TD62665 Problem was very infrequent and customer was unable to leave the car with us any longer. After 3 weeks of driving it she reports the problem has not occurred any more at all. I'm suspecting the EGR could have been partially plugged and subsequently cleared up ...	8
	2003 Ford Windstar 3.8L Hesitation, Misfire, Bucks VIN: 2FMZA51413 THANK YOU ALL who said replace synchro and cam sensor. Spinning the synchro by hand showed it "chattered" in the worn upper bushing and runs flawlessly since replacing both. We've had plenty of worn/broken synchros and sensors come thru but never seen this s...	10
	2004 Ford F-250 Super Duty XLT 6.0L Park lamp circuit and interior illuminated circuit Found a bare wire under one of the roof lights. Insulated wire and flicker was gone. Thanks for the ideas.	3
	2008 Infiniti G37 Sport 3.7L hydraulics VIN: JNKCV64E18 I left the vehicle over night rechecked in the morning and it somehow displaced the air overnight (after gravity bleeding several times before I left for the night). I continued by gravitiy bleeding only the next morning and I now have a good pedal. Thanks for...	3
	2002 Jeep Grand Cherokee Laredo 4.7L Low Power VIN: N42C241421 Thanks to all who took time to reply. I went back to this vehicle after they pulled the upstream o2's and put my vacuum gauge back on it. Not only was the vacuum low at 3-5 Hg but there was the noticeable bounce of at least one dead cylinder. I also ran a sco...	27
	2003 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVHP80D83 Thanks for the replies. We just installed the new throttle body ourselves, then went to the dealer to have them install the diode kit since they wouldn't sell it to us. Trouble codes: P2135.	2
	2005 Mercedes-Benz CL65 AMG 6.0L overhead console VIN: WDBPJ79J55 Thanks to Edgar and Robert for their replies. I did have to send this one to the dealer. I am going to look into the getting the xentry software though.	2
	1952 MG TD 1.3L headlamps Hi & thank you to all those that replied. Wiring diagram was with booklet in vehicle. Obtained bulbs from moss motors & dis-assembled wiper motor & fixed it	3
	2002 Nissan Xterra SE 3.3L Misfire, MIL Lamp on VIN: 5N1ED28YX2 man sometimes the answer is so obvious... we feel stupid here.. we put the cooling system under pressure with the engine cold and pulled the plug. using a bore scope we could actually watch coolant drip into the cylinder and pool!... in the process of getting ... Trouble codes: P0305 (Cyl 5 misfire).	6
	2001 Pontiac Grand Am SE 3.4L bcm VIN: 1G2NF52E61 Thanks to all that replied to my request,,looks like my little shop is not equipped to address this issue, need the dealership to flash the bcm to the computer, turns out the car has bad head gaskets and the customer is not in a financial position to fix that ...	10
	2003 Pontiac Vibe GT 1.8L Hesitation, MIL Lamp on VIN: 5Y2SN64L23 i was giving it some time to know for sure if it is fixed or not. i ended up running 2 injector cleans on it and added one to tank and had custmer drive. talked to customer twice now and he says its running fine. Trouble codes: P0171.	8
	2006 Saab 9-7x 5.3i 5.3L engine VIN: 5S3ET13M06 This vehicle is being sent to a Saab dealer to try and repair under the federal emissions warranty being that it will not pass an emissions test due to misfire on cylinder # 1 we can identify the problem and even duplicate it the intake lifter on # 1 cylinder ...	7
	2007 Saturn Vue 3.5L No Start VIN: 5GZCZ63417 I am forced to close this request without a fix. The customer has decided to take it to a dealer with the hope that it will still be under the powertrain warranty, but not till after we had many hours and a few parts into this thing. I went ahead and replace... Trouble codes: U2105 (Lost Communication with PCM), U2106 (Lost Communication with TCM), U1016 (Lost Class 2 Communication with PCM).	6
	1993 Toyota Camry LE 2.2L No spark VIN: JT25K12E9P Vehicle fixed!! I went ahead and checked my b+, b1, and e1 voltages at the ecm and guess what? None of them were presesnt. I traced wiring back to ign/ecm fuse 7.5 amp. I found a wire shorted out, which blew the 7.5 amp fuse. replaced bad wire and fuse and now...	10
	1999 Toyota Camry LE 2.2L MIL Lamp on VIN: 4TTBG22K9X Greetings all. It took awhile but can you believe 3 idle speed motors from worldpac are faulty, Swapped w/ a donor toyota & wha-la fixed. Trouble codes: P0505 (idle speed control valve).	3
	2002 Toyota Sienna CE 3.0L Unknown VIN: 4T3ZF13C32 Hi and thanks for all the replies. Ended up replacing drum! Went through 2 more before i found one w/no vibration-unbelievable-all were aftermarket. Next time they will be OE!	15
	2006 Toyota Tacoma 4.0L Valve Train VIN: 5TELU42N36 Thank you to all who responded. We Pulled the vavlve cover on that side and checked valve clearances. they were all in spec. We put valve cover back on and started engine. noise is now gone. So, This is what was causing the noise - when we were checking valve ...	8
	2001 Volvo V70 X/C 2.4L Rt/front door VIN: YV1SZ58D41 Vehicle is going local dealer next week for diagnosis and, hopefully, repair. VIDA shows red CEM block on network tree and fault for lack of comm with PDM, which is a hard fault. Power & ground to PDM are fine and CAN lines show 2.0 & 2.7V when this module i...	4
	2007 Volvo S40 T5 2.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1MH68277 Thanks for everyone that replied to this post. this volvo is not fixed yet. We cleaned out the oil pan (not too dirty) Oil trap housing assembly, VVT cams, R&R valve cover (check for sludge), intake/exhaust VVT solenoids. CEL still on. code 673c and 674c. ... Trouble codes: 673C, 674C.	8

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