Automotive Technicians Technical Discussion and Fixes for Sep 28, 2009

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	Help Request	Answers
	1997 Audi A4 Quattro 1.8L reverse VIN: WAUCB88DOV Hi Audi techs, vehicle came in with complaint of no reverse at times.Atsg had us isolate the problem to an electronic one as if you disconnect the selenoid connector to the trans the trans has reverse all day. the problem is we have a very poor circuit diagram...	View
	2001 Audi TT Quattro 1.8L Battery VIN: TRUUT28NX1 This Audi came to us with the complaint that the battery goes dead in 2-3 days. The customer told us that he had it at the dealer a few times and no one could fix it. We installed a new battery (while other one charged)and checked charging and all was o.k. Whe...	View
	2004 Audi A4 Quattro 1.8L noisey VIN: WAULC68E44 Hello fellow audi techs. I have this 04 A4 that came in with a noisy fuel pump and a lack of power. fuel pressure would drop off when accelerating. replaced the fuel pump and the filter and now it runs just fine. there is however a noise when cranking. sounds ...	View
	1990 BMW 535i 3.5L door VIN: WBAHD2316L This 1990 535i needs a left front door. We are going to put a used one on. According to the BMW parts catalog there is a part number change at 11/91. Does anyone know the difference bewtween the early and late doors? The later doors are plentiful; the early do...	View
	1995 BMW M3 3.0L vanos VIN: WBSBF0326S Ok so my customer came in and had a grinding noise from the valve cover so we suspected the tensioners had gone bad. So we replace the outter and inner tensioners along with upper chain guide along with the upper chain, and vanos. Checked vanos and saw bolt th...	View
	1997 BMW 740i 4.4L Auxiliary Water Pump VIN: WBAGF832XV This 740 came in with a complaint of hot air from the defrost vents with a/c on max cool and a code 45(aux. water pump). I found no power to the pump or water valves. The Mitchell wiring diagram, and also what looks to be a factory wiring diagram Mitchell e-ma...	View
	1999 BMW 328i 2.8L head gasket VIN: WBAAM5334X Hello BMW Techs, I really need some input on this 2.8l engine. I have a 328i in our shop that came in with the low coolant light on. It was low on coolant. After inspection we found that the radiator tank had pushed apart at the seam. I was told that these sys...	View
	2000 BMW 323i 2.5L MIL Lamp on VIN: WBAAM3349Y hey, i have a 2000 bmw 323i that is killing me. i replaced the throttle body for codes 172 signal, pedal travel sensor, potentiomenter 1/2, short circuit(in throttle) and 169 a9 engine throttle out put shutoff after dig, error. i dont now what those cades real... Trouble codes: 172 (169 -), 169	View
	2001 Buick Regal LS 3.8L turnsignals VIN: 2G4WB55K81 This vehicle intermittantly but frequent. When you use turnsignals it will cut off engine, also fuel guage will go to empty,ses will come on ,abs trac light also. turn off turnsignals and vehcile will start right up until turn on again and will instantly die. ...	View
	2006 Cadillac STS 3.6L starting and dash componates VIN: 1G6W677160 help out there fellow cadillac techs, i have the 2006 sts that is driving me crazy. it does not want to starting whenvever it feels like it. i looked at the past history, and it has had everything from batterys replaced to wiring to the transmission fixed. so ...	View
	1985 Chevrolet Corvette 5.7L Stall VIN: 1G1YY0788F Engine has full tuneup. All parts are new AC Delco. New cap, rotor, plug wires, spark plugs, ignition coil, ignition module. ECM has been replaced already with a reman AC Delco unit. Original prom from vehicle was reinstalled for diagnostic purposes (known go... Trouble codes: 42 (Electronic Spark Timing), 44 (Lean Exhaust Condition), 45 (Rich Exhaust condition), 51 (Faulty or improperly installed prom), 53 (System over voltage)	View
	1997 Chevrolet C1500 Silverado 5.7L 4x4 VIN: 1GCEK19R1V The front axle is electronic controled as far as 2 high-4 high and 4 low is concerned and it will not do anything but stay in 2 high. Before I start into it I would like to ask if any one knows where the module is located.	View
	1998 Chevrolet Lumina 3.1L Excessive Emissions VIN: 2G1WL52M5W What am I missing?? Driving down the road fuel trim % stay close to 0, but at idle they go -18. Checked fuel press and regulator, all is well. Noticed the evap purge sol. modulating at 20% while idling & I can't figure out why. Unplug it and fuel trims come ba...	View
	2003 Chevrolet Silverado 2500 HD 6.6L abs VIN: 1GCHK23143 Vehicle came in with ABS light on. Checked codes and found code C0040 RF speed sensor. Got in a hurry and replaced RF speed sensor. Test drove and ABS light came back on before getting out of shop. Tested wiring for shorts and opens back to EBCM. Could not fin...	View
	2005 Chevrolet Equinox LT 3.4L Starting VIN: 2CNDL73F65 what is the pass lock relearn procedure	View
	2004 Chrysler Sebring LX 2.4L horn VIN: 1C3EL45R54 this simple problem of the horn not working has blossomed into a challenge, the horn switch grounds through the steering wheel to column. there is not a consistent ground circuit through the bearings and i dont see any other way that the rotating column ground...	View
	2005 Chrysler Town & Country Touring 3.8L air bag VIN: 2C4GP54L95 The customer requested us to fix his air bag light. I scanned it with the modis. The code was a dirver seat belt tension circuit open. It did not give me a number with the code. The only dia information I can find in mitchel one is a wiring dia. I'm probably o...	View
	2008 Chrysler Town & Country Limited 4.0L Rear Brake pads VIN: 2A8HR64X68 Good morning This should be a no brainer, installed rear pads and rotors last week and now the RR is overheating and acts like the brake is hanging up, however I cannot feel a drag when test driving, Raising van and spinning the wheels after applying and rele...	View
	2008 Chrysler PT Cruiser 2.4L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 3A8FY48B88 Customer complaint of poor fuel mileage, decels fast when taking foot off gas, and mil on. Can find no vaccum leaks, idles at 1000 rpm and long term fuel trim -14. TPS & MAP test good. What can be the problem. It runs rough at idle like vaccum leak. Any help w... Trouble codes: P2074 (MAP/TPS Correlation/high air flow/ vaccum leak)	View
	1995 Dodge Stratus ES 2.5L No Start, Cuts out, Stall VIN: 1B3EJ56H6S This is a continuation of a problem I had previously posted. I have a car that had a set of airbags installed from a salvage vehicle. As soon as the airbags were installed, all communications were shut down and a "no bus" message was displayed on the speedo. I...	View
	1999 Dodge Ram 1500 Laramie 5.2L blower motor, no start VIN: 1B7HF13Y2X i have replaced the starter due to no start. once i replaced the started it started and was fine for about 2 weeks. then it acted up again. you turn the key on and off about 10-20 times you can get it started but then the blower motor will not work. if you shu...	View
	2003 Dodge Caravan SE 3.3L No Start VIN: 2D4GP44R83 Van will not crank, have found that the starter relay is not being grounded by pcm. Also scanner will not communicate with pcm. Have checked powers and grouns right to pcm and all is good, looks like I need a pcm??? Has anyone had this problem just want to ver...	View
	2005 Dodge Durango SLT 4.7L Torque conv.? VIN: 1D4HD48N35 You take off from a light and it goes through the gears nice, get to about 65, after it sets into 5th,let off the gas just a little and it will chirp the back tires, almost like hitting the brakes, but if you try to keep it at 65 let it drop back into 5th it w...	View
	1985 Ford Mustang LX 3.8L Poor Idle Quality VIN: 1FABP2739F This car is my daughters best friend. She received it from her grandfather, it had been sitting 5 years. The engine had rods knocking. I replaced the engine with a used unit. After starting the idle will go to 2800-3000 rpm in 15-20 seconds and stay there. If ...	View
	2001 Ford Mustang GT 4.6L Rt Convertible weather strip VIN: 1ZVFT85H86 Rt. Window won't rolled up all the way and rolls down .It works fine long as rt. doors is open but,when you closed the door and raised window it will raised to top and glass hits weather strip at convertible top and thats when window rolls down. I made a justm...	View
	2004 Ford F-350 Super Duty King Ranch 6.0L Poor Idle Quality, Hesitation, Cuts out, Lack of Power VIN: 1FTSW31P64 Need some help from those familiar with Ford Power Stroke 6.0. I have had this vehicle in recently for loss of power complaint and white smoke from the exhaust. As I was running tests on the truck, it hydrolocked. I began to pull glow plugs and found cylinder ...	View
	2005 Ford E-150 4.6L Hesitation, Misfire, MIL Lamp on VIN: 1FTRE14W05 This has been a tough one. The van misfires at idle and back fires during acceleration. We have 5 pcodes that returned after clearing and retest drive. We replaced ignition coil number 1 and plug. We also replaced the module on the frame rail for the fuel pump... Trouble codes: 0171 (lean code), 0174 (lean code), 0301 (misfire cylinder 1), 0303 (misfire cylinder 3), 2195 (Bank 1 Sensor 1 O2 sensor)	View
	2003 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GTHK23141 checked all wiring all ok,checked with vacuum pump&values change but keeps setting mil Trouble codes: P0108	View
	2004 GMC Winnebago 7.4L No Start, Cuts out VIN: 5B4MP67G44 Serice engine light came on at 65mph at high altitude , high [...], 85 octane gas, Pulling upgrade hill stopped and would not start, the check engine light went off and it started, happen a few times ,twice the fuel tank goes to empty and seat belt flashes... Trouble codes: U0107 (Lost Comm.W/Throttle Actuator)	View
	2004 GMC Envoy SLT 4.2L vibration VIN: 1GKDS13S24 installed a factory catalytic converter and created a vibration. you feel the vibration in converter	View
	1995 Honda Prelude SE 2.3L abs light on VIN: JHMBB2278S hey you honda techs! problem; abs light comes on after one minute of driving and stays on until you shut off vehicle. when you restart vehicle, no light until after the one minute of driving period and also a clicking noise heard at the same time-sounds like a...	View
	2002 Honda Accord LX 2.3L Excessive Emissions, MIL Lamp on VIN: 1HGCG6653Y heres another good one guys.car comes in with a 1167 code,a/f ratio heater malfunction.check a/f sensor found that the heater circuit was open in the sensor.so we replaced the sensor with a after market bosch sensor.cleared codes and drove mil didnt come back ... Trouble codes: 1167 (a/f ratio sensor bank1 heater malfunction)	View
	1997 Hyundai Tiburon 1.8L rear wiper VIN: KMHJG24F6V This rear wiper motor will start operating by itself or it will also start running with the switch. Problem is it will not shut OFF with the switch. Opening the rear hatch about half way will shut off the wiper. Help???	View
	2003 Isuzu Rodeo S V6 3.2L all VIN: JAATFS25H3 This vehicle is really a pick up truck but it resembles the rodeo so i put it as that, it also steers from the right side(right hand drive). Customer called said he was driving fine and stopped for a few moments. When he tried to move the vehicle it would neit...	View
	2000 Jaguar XK8 4.0L Conv. Top VIN: SAJGX2040X Hello to all, Got this XK8 Conv. Came in top got to the point of close but would not latch, rear 1/4 glass down. I latched it manually, no go. I manually unlatched it, open the valve on the pump, pushed down the c-pillar cylinders, and manually opened it. It w...	View
	2001 Kia Sportage EX 2.0L Misfire VIN: KNDJB72321 Another shop replaced vc gasket, had oil in #4 plug well, plugs and the 2 ignition wires. Mil for miss on 2&4. Runs well above 2500 rpm. Feels like ign miss below 2500 when frst starting out. Are coils a problem with this one? Thanks. Dave	View
	2002 Land Rover Freelander S 2.5L engine drivability VIN: SALNM22252 This truck came in with overheating issue over a period of time, found that the themostat was bad and leaking. After, replacement of thermostat the engine started missing sometimes randomly, but mainly cylinders 1 and 3 of bank 1. I started my test by examming...	View
	2003 Lincoln Navigator 5.4L Air ride VIN: 5LMFU28R73 This navigator came in because the air ride doesn't work. Basically the truck is sitting on the ground. The air bags will not fill. The compressor does run. No codes for suspension. The compressor makes air. I checked for pressure with a gauge that reads to 30...	View
	1992 Mazda MX-3 1.8L MIL Lamp on VIN: JM1EC4329N Replaced dist on this vehicle and I am unable to locate the diag connector to set the timing. It is not in the usual place I would expect it to be(behind one of the strut towers). Did not see it under the dash, center console or glove box. Thanks in advance.	View
	1979 Mercedes-Benz 450SL 4.5L Poor Idle Quality VIN: 1070441205 Thank you in advance for your assistance. Normally I do not work on these vehicles but because it is a loyal customer, I took on the job. This car runs fine when cold but when it gets warm, the idles go down. Almost to the point of stalling. Especially when yo...	View
	1997 Mercedes-Benz E320 3.2L gauges VIN: WDBJF55F5V Hi mercedes tech. I need some help with this car.Costumer satate all gauges on cluster are not working when he start the car this morning on his way to work, Costumer call to my shop to ask me if is posible a fuse problem, I tell the costumer to stop by and le...	View
	1998 Mercedes-Benz ML320 3.2L compartment VIN: 4JGAB54E2W Vehicle is making a very odd noise. It sounds like it is coming from the engine compartment at times and from the dash at other times. It almost sounds like flapping plastic but with more acceleration it sounds like a vibration. This noise happens almost alway...	View
	1999 Mercedes-Benz E300 3.0L MIL Lamp on VIN: WDBJF25H6X Hello everyone. I have a 99 Mercedes 300E here at the shop and I am having a tough time getting good info for checking out this trouble code PO180. The vehicle had a fuel leak about 11 months ago and I replaced the fuel cut off valve and all of the plactic hos... Trouble codes: P0180	View
	1999 Mercedes-Benz E320 3.2L Misfire, MIL Lamp on VIN: WDBJF65FDW hello guys.please somebody help me with this problem.this mercedes is driving me crazy.engine runs great until when temp gets up to 93c.it will set check engine light and starts mis firing on #1 cylinder.good spark but no injector signal from ecm.i really hate... Trouble codes: P0300 (ramdom mis-fire detected.), P0301 (1 cylinder mis-fire)	View
	2004 Mercury Grand Marquis GS 4.6L readiness VIN: 2MEFM74WX4 Battery went dead on seldom driven vehicle. Now due for inspection. 1300 miles and EGR and Cat monitors still not ready. Re-flashed by Ford, new thermostat, no pending codes. Drive cycles performed with no luck. Any ideas? Thank you for your time.	View
	2001 Nissan Frontier SE 3.3L transfer case VIN: 1N6ED27Y71 vehicle has unusual amount of wheel bind when 4x4 is operated. all tires are equal diameter. fluid is clean & red.	View
	2006 Nissan Maxima SL 3.5L harsh engagement VIN: 1N4BA41E1E This car cam in with a transmission complaint,well I have built ford,chryslers,and some nissan transmission in the past never one of these before.Test drove car noticede that it shifts fine when cold,but as it warms up it starts to shift firm.I then noticed it...	View
	1988 Oldsmobile Cutlass Ciera 2.8L No Start VIN: 2G3AJ51W5J i think ive about covered everything on this one but still a no start. it acts like its not getting fuel, if u spray it with starting fluid it will start up for a quick second then dies. without spraying it, it will buck like it wants to start but wont. fuel p...	View
	2002 Oldsmobile Silhouette Premiere 3.4L Heated Seats VIN: 1GHDX13E12 Neither one of the heated seats work on this mini van. Both switch lights light up, the fuse is good and has power. there is a breaker in the IP Fuse panel labeled power heated seats, but the wiring diagram does not show a breaker. Mitchell's test proceedure s...	View
	1999 Pontiac Grand Am SE 3.4L Excessive Emissions VIN: 1GCCS1442T i got 2 99 pontiac 3.4 would like to know what you guys think pids should be to me seems both are little rich but will post and you guys tell me car #1 cal load 7.6, front o2 0 stft,ltft-18,rear 02 around 0 car #2 cal 2.3,front 02 0 stft,ltft - 24, rear 02 aro...	View
	2005 Renault clio 1600CC timing belt VIN: 3BNBB2J6X5 Help import guys this vehicle came in with a broken timing belt, I have a feeling I may have bent valves but am trying to figure out the timing marks on this little puppy I have the cams with the arrows up and locked in place and cannot find any marks for cran...	View
	2003 Saab 9-5 Arc 3.0L MIL Lamp on VIN: YS3ED49203 vehicle came in w/ misfire code on #3 cyl, unable to feel any misfire at all after test drive, no customer complaints about misfire or miss,noticed that spark plugs had not been changed so went ahead and replaced spark plugs, customer picked up vehicle and cam... Trouble codes: P0303, P1303	View
	2002 Saturn Vue 3.0L Hub & Bearing VIN: 56GZCZ63B9 Trying to remove Hub & bearing assembly so it can be replaced. This is AWD with 4 wh ABS. Have Broken a forcing screw to remove axle. Tried penetrating oil and heat ( heat gun, not torch). Axle rusted in hub and will not move. bearing assembly rusted in spindl...	View
	1990 Toyota Land Cruiser 4.0L Surge, Misfire, lean misfire VIN: JT3FJ62G1L came in with a rough idle, replaced EGR vacuum modulator. this resolved rough idle. Now vehicle is leanning out at tip in (aprox. 5% throttle) o2's replaced at 132K O2 sensors will respond to propane and vacuum leaks right away. when lean condition occurs o2'...	View
	1992 Toyota Camry 2.2L Cooling Systems VIN: JT2SK12E9N Thanx in advance on this one. came in running hot about 210-215 at the upper water outlet temp guage reads just at the red.checked timing ok took out t-stat flushed the block and heater core, put in new temp sender switch, new efi temp switch new radiator and ...	View
	2001 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDBT48A51 this truck lasts about 3-4 weeks light comes on same code each time what are we missing or doing wrong Trouble codes: P0446	View
	2002 Toyota Sequoia Limited 4.7L Lite on VIN: 5TDZT38A22 customer brought vehicle for CODE:c1363 We test circuit from skip ecu to pedal force switch. STS(PIN 5, BR-Y), from sensor to ecu, no open or short PSNC(PIN 2, V-W) and PSNO(PIN 1, R-Y), no open or short test with scope: 1. STS and PSNC 2. STS and PSNO, can se...	View
	2003 Toyota Celica GT 1.8L MIL Lamp on VIN: JTDDR32T93 hey guys! i did this car in jan this yr. just came back today. same code, poo12. i cant fnd any info on that code in hear. when i do the test t actavate contole valve it does die at idle. so i take it it does work. any insite? i see alt of tips about thegear p... Trouble codes: P0012	View
	1999 Volvo S70 2.4L abs VIN: YV1LS56D2Y So far I have perform scan test whitch came up with a P1550. Test all wheel speed sensors,open circuit in driver side front wheel speed sensor replace sensor.Came in with speedo not working sometime test & replace trans speed sensor drove car over the weekend ...	View
	2002 Volvo V70 2.4L blower motor VIN: YV1SW61R62 Before I proceed with diagnosis on this vehicle I thought I should ensure this symptom is not in fact normal operation.When the key is turned to position "1" the blower motor runs at a very slow speed.Of course this is with the climate panel turned off.This ve...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Audi A4 Quattro 2.8L MIL Lamp on VIN: WAUEA88D3V Check engine light has not returned after replacing the intake manifold gaskets and injector o-rings. About 5k [...]. Thanks for the help.	5
	2000 BMW 323Ci 2.5L Fuel Pump VIN: WBABR3340Y Thanks to all who replied to my request for help. I am not one who believes very strongly in coincidences, but in this case, I must. It was just that, a coincidence. I unplugged the fuel pump and the fuse did quit blowing. I also traced those wires to make sur...	7
	2002 BMW 325Ci 2.5L MIL Lamp on VIN: WBAB533422 thanks for all the help. The car ended up going to the dealer. They replaced the engine harness to the DME modgule that seem to fix the problem Trouble codes: P0413 (secondary solenoid valve circuit).	12
	1992 Buick LeSabre Limited 3.8L blower Thanks for all of the help...I got this fixed.. I went back and re checked all of my power and grounds..Had 12 volts on red wire...all the time with the motor hooked up or un hooked...Had between 2 and 8 volts on the gray blower speed wire..Had a good ground.....	6
	1996 Buick Riviera 3.8L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G4GD2213T found broke signal wire at bulk head connector white wire broke at plug do to the tight bend in plug and had been previously repaired and broke again. found info in iatn database .thank you for all you help,carpenters garage says thank you for all the help. Trouble codes: P0102 (Mass air flow circuit low).	11
	1998 Chevrolet Astro LS 4.3L Poor Idle Quality, Hesitation, Misfire VIN: 1GBDM19W1V well the beast finally left today.. per your suggestions we a) pulled valvecovers and checked for broken springs..(none) b) rechecked egr valve and replaced gasket w/ updated gasket w/ screen c) ohmed out injectors and reattached to fuel lines to inspect flow.... Trouble codes: P0300.	20
	1999 Chevrolet Silverado 2500 LT 6.0L Hesitation VIN: 1GCGK29U4X I missed it the first time but the MAF was faulty (tried cleaning it as well), would only read 98 g/sec at full load pulling a hill in 3rd. Thanks for all the input, I quickly eliminated fuel delivery as and issue due to scope testing and pressure testing pum...	10
	2006 Chevrolet Equinox LT 3.4L Crash Sensor VIN: 2CNDL73F26 Sorry, I thought I already closed this help request. The customer wanted to take the vehicle to the dealership where she bought it saying that she had bought an extended warranty. I told her the crash sensor had to be replaced. Since it was $455 she wanted to ...	6
	1998 Dodge Grand Caravan 3.3L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1B4GP44G3W Customer approved removal of cylinder head.Exhaust valve on number 2 broken from the valve stem.Valve got smacked by the piston at least 15 times.Valve bent and jammed into guide.Top part of guide, where valve stem seal goes onto, had a piece cracked off of it... Trouble codes: P0301, P0302.	9
	2003 Dodge Neon SXT 2.0L No Start VIN: 1B3ES56CX3 The car was given back to the customer. We have not been able to get the problem to happen again. We will post more info if we do comfirm the problem and a fix. Trouble codes: P0706 (History trans code check shifter signal).	7
	2003 Dodge Caravan C/V 3.3L MIL Lamp on VIN: 1D4GP44303 thanks for all the replies. i went and rechecked for any other possibly missed leaks and none were found. i also went ahead and replaced the leak detection pump again as some of you said. the van has been gone almost two weeks now with no word from customer. i... Trouble codes: P1494.	11
	2003 Dodge Ram 3500 5.9L 4-3 shift VIN: 3D7LU38643 Thanks Guys for the replies they were all on the right track. I had done most of them already. I didn't put enough info on the case the first time. Thats from being a rookie with iATN. reply summary 4) output speed sensor 1) pcm software updat...	10
	2006 Dodge Charger SXT 3.5L Stall, MIL Lamp on VIN: 2B3KA46G56 remove short runner actuator cleaned what i could still did not operate very smooth but the p1004 code went away codes po171 po174 po420 and po430 remained in all four o 2 sensors had been replaced down stream o2 sensors were switching at the same rate as up s... Trouble codes: P0420, P0430, P0171, P0174, P1004.	5
	2001 Ford F-250 Super Duty XLT 7.3L No Start VIN: 1FTNW21F91 Okay first I want to thank all who replied! I tend to over think things when i have no definite answer. I did replace the injector o-rings on all of the injectors. It was hard to start and took a while to get it to start right. Must have had lots of air due to... Trouble codes: P1211, P1212.	16
	2002 Ford Focus SE 2.0L air bag VIN: 1FAHP34P92 I found that the driver side pretensioner was bad replaced that the code 13 was stored in the computer had a guy fix the module for 40 dollers now it is fixed and sold thanks for the help	6
	2004 Ford F-350 Super Duty Lariat 5.4L Hesitation VIN: 1FTSW30L14 Ok all fixed. Burnt left o2 harness onto exhaust manifold. Blown ac clutch fuse, not sure how or why? Replace fuse(20A) and left o2 sensor with factory OE part. Clear all codes. A/C is back up and she shifts fine, all codes are gone. Its been a week and a half...	8
	2009 Ford F-150 FX4 5.4L brake controller VIN: 1FTPX14V99 I have not got vehicle back yet, but most replies stated that reprogramming must be done for Instrument panel to recognize the new trailer brake controller, Thanks.	9
	2004 Hyundai Tiburon GT 2.7L Unknown VIN: KMHHN65F4U it seems that the tires and wheels may be the problem but i am not completely convinced it still felt like an inner c/v joint but i have not heard back from the customer so i am calling it done for now	3
	1999 Isuzu Trooper S 3.5L MIL Lamp on VIN: JACDJ58X5X We had been using denso sensors, which we normally have good luck with in the pre cat position. The sensor is the same for pre and post locations, but maybe something about the sensor construction just did not work for post cat location. I replaced the sensor ... Trouble codes: P0160 (HO2S Insufficient activity B2S2).	5
	1990 Jaguar XJS Classic Collection 5.3L Brake lights VIN: SAJCW4824L The most common response was to check the 3rd brake light wiring, and I did, even disconnecting the circuit at the block plug. I examined the wiring very carefully and it was not damaged anywhere I could see it going forward from the trunk. Also, the short d...	6
	1999 Jeep Wrangler Sport 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1J4FY19SXP OK, this one's fixed. First, correlation between LDP and O2 sensors, they share a fuse. Duh. Must have blown fuse during testing, fuse feeds O2 heaters and LDP. Checked voltage drop on O2 sensor wires, ok. Opened up connector at rear O2 sensor, found corrosion... Trouble codes: P0132 (b1s1 shorted to voltage), P0138 (b1s2 shorted to voltage), P1495 (leak detection pump switch).	8
	1999 Land Rover Discovery SD 4.0L MIL Lamp on VIN: SALJY1249X The land rovers misfire recognition was recognizing one or two misfires at a time despite no rough idle or loss of power. The recognition was switching between different cylinders and not specific to anything. We tried a different set of coils that we had, a... Trouble codes: P1316, P1314, P0300, P0304, P1313.	5
	2004 Lincoln Aviator 4.6L Misfire, MIL Lamp on VIN: 5LMEU68H04 Well, sorry about the length of time getting back on this. The truck never came back. I did scope the coils and found 2 bad. The customer told us that firestone had removed termo-stat. I estimated repairs, customer said would bring back the following week and ... Trouble codes: P0128, P0174, P0300, P0302, P0303, P0305.	8
	2002 Mazda MPV LS 3.0L Misfire Thanks all once again who replied.many of you hit it right on.It was the #4&6 coil wires changed around.found out cust had a friend who had a look at his misfireing issue the week before and installed the delco plugs in it that i swapped out with oem plugs.ret... Trouble codes: 304 (misfire on number 4 cylinder), 306 (misfire on number 6 cylinder).	13
	1992 Mercedes-Benz 190E 2.6 2.6L No Start, Stall VIN: WDBDA29D4N Well thanks again. The rest of the story is that the car overheated badly and this started. found the boot below the air flowmeter cracked and a small crack in the idle air bypass hose. repair both and now all is well. Thanks a million for your input	13
	1993 Nissan 240SX 2.4L Stall VIN: JN1MS36P3W client declined further diags. and took vehicle. Thanks to all who replied with suggestions to check maf, exhaust restrictions, air inlet tube etc. These all checked good as did powers and grounds to ecm and all signals in and out of ecm except for injector pu...	7
	2003 Nissan Maxima SE 3.5L idle speed VIN: JN1DA31A63 a great big thank-you to all who responded. the fix thank's to Derrick [...] was disconecting injectors to get the idle down. I went in to air volume relearn using my Launch X431 scanner and with engine running disconnected three injectors to dr... Trouble codes: P1121 (etc actuator problem).	10
	2000 Oldsmobile Alero GLS 3.4L MIL Lamp on VIN: 1G3NL12E7Y Yes the filler pipe did finally show a leak at neck where plastic and steel laminate. Additionally, vent valve that has worked perfectly all along stop closing suddenly on final test!!! This thing is really trying to make an A#& out of me. Cleared code and ... Trouble codes: P0440 (EVAP system malfunction).	5
	1987 Plymouth Caravelle 2.2L Poor Idle Quality, Cuts out, Stall VIN: 1P3BJ36K4H Thanks to all of your replies it was indeed a fuel injector it just was not workin properly but couldnt tell so i switched with aknown good one and car ran great thanks	7
	2002 Pontiac Firebird Trans Am 5.7L MIL Lamp on VIN: 2G2FV22G52 Thank you all for your thoughts and ideas,after dropping fuel tank again ,found canister was logged so replaced canister witch brought the long trem reading down to about +17 ,tryed resetting fuel trim but was unable with my scanners ( verus,modus,auto enginui... Trouble codes: P0171, P0174.	18
	2004 Porsche Cayenne S 4.5L Mechanical VIN: WP1AB29PX4 No real answer on the lifters and the check valve in the cam holder primarily because there is no issue with this part. The actual noise on this Cayenne was not lifter noise in spite of the 100% consensus of all who heard the noise that it had to be lifter n...	None
	2005 Suzuki Aerio SX 2.3L air bag code VIN: JS2RA61S95 Thanks for all that offered help including those that sent diagnostic info on the code. The code is for a short on the driver's side buckle assy. I was able to finally get the code to reset using a different time sequence on the airbag diagnostic connector and...	4
	1989 Volkswagen Cabriolet 1.8L Poor Idle Quality, Hesitation, Cuts out VIN: WVWCA0152K We checked the pressures at the warm up regulator and all were in spec. We tried the tapping in the brass plug as suggested it did not help,in fact it made it worse. I had another warm up regulator so i took it apart and bent the springs down farther than the ...	12

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