Automotive Technicians Technical Discussion and Fixes for Apr 30, 2012

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	Help Request	Answers
	2004 Acura MDX 3.5L MIL Lamp on VIN: 2HNYD18264 P0056 Bank2 Sensor2 heater circuit malfunction. Snap-on Modis shows that B2S2 heater circuit is off with zero voltage. B2S2 heater circuit fault. Ohmed sensor heater circuit and found 7.4 ohms. Supply voltage on heater curcit is 13.74vdc. Installed new sensor ... Trouble codes: P0056	View
	1997 BMW 528i 2.8L speedo VIN: WBADD6324V ok so here we go again. boss comes home from florida,drives this thig brings back states abs light on,triangle light on and speedo/odometer inop.confirmed all complaints and reminded him abs light on last 2 years hes had it.i replaced the output speed sensor t...	View
	1998 Buick Park Avenue 3.8L Message Center VIN: 1G4CW52K8W thanks to all in advance, in Jan we installed new oil pan and oil level sensor. The oil pan was badly dented in. Now the customer states that when they start the car.The message center will display low oil level.In testing it does do this when car has sat for...	View
	2003 Buick LeSabre Limited 3.8L Drivability VIN: 1G4HR54K63 Customer complains of a slight surge or pulling-back feeling when cruising. It happens with or without cruise on. When the cruise is on it will cancel when this happens and a track control message displays. It has set a code C1288 for the steering angle sensor...	View
	2001 Chevrolet S10 4.3L Misfire, MIL Lamp on VIN: 1GCDT19W91 This truck has engine miss on cylinder 1, this is the only cylinder that shows to be misfiring. It has good compression, good fuel pressure (65 psi), good spark and the injector waveform looks fine. I can't figure it out. Has anyone out there run into this be... Trouble codes: P0300	View
	2002 Chevrolet S10 LS 4.3L No Start VIN: 1GCDT13W62 Engine sits for awhile cold or hot, key needs cycled a few time to build pressure or engine will just crank, crank, crank. Fuel system won't hold pressure on gauge, and gauge and test line is not leaking. As per above test results, replaced with updated fuel m...	View
	2002 Chevrolet Suburban 1500 LT 5.3L Starter Relay VIN: 1GNFK16Z82 Vehicle came in after no start/no crank. All lights, systems, etc seem to be working properly except no crank. Checked voltages, fuses and wiring. Starter Relay is not receiving voltage/signal to activate relay and complete S terminal circuit. If pin 30 & 87 o...	View
	2004 Chevrolet Silverado 1500 5.3L no Drive VIN: 2GCEK19T64 I Have this 03 silverado with a 4L60. Customer replaced rear differential after replacement theres no movement in drive. Truck has no movement in drive or 3rd but if I put it in first or second it does. Reverse works fine. If I put it first and manually shift ...	View
	2006 Chevrolet HHR LS 2.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNDA13D66 This thing is driving me crazy.I think its the computer but Im not convinced.This thing will misfire on cyls,1-4 and next time it is 2-3.Heres the crazy part.When you start it and it doesnt matter hot or cold,if it misses it wont stop till you shut off and res... Trouble codes: P0300	View
	1992 Chrysler LeBaron 3.0L No Start VIN: 1C3XU4537N HOWDY Y'ALL, I HAVE this old dinosaur. towed in cranks good no start no spark, injector pulse or fuel pressure. AND NO COMMUNICATION. It's been a while since I had one of these. The ASD (INj& COIL) relay doesn't energize either. This one has the cam and crank ...	View
	2004 Chrysler PT Cruiser GT 2.4L Groaning VIN: 3C8FY78G74 I hate these cars Errr. Anyway I need help. Driving on smooth road any speed have this interminent load groaning vibration just hum through the car. If I go like 40-50mph down the highway i can get it to do it every time. Just driving along and this load hum, ...	View
	2007 Chrysler Pacifica Touring 4.0L pressure VIN: 2A8GM68X27 I have this 2007 Pacifica that has been back 3 times for no shift. It sets code p1745 line pressure high every time and a couple of times it also had codes p0869 line pressure high & p0933 pressure sensor range performance. I clear the codes & reset the variab...	View
	2008 Chrysler PT Cruiser Touring 2.4L a/c VIN: 3A8FY58858 yes I need help to find the fan control module,I took the all front bumper and head lights and I can not find it all data shows me that it is next to the front bumper,mitchell shows me it is next to the radiator,but nada.please help	View
	1997 Dodge Dakota 3.9L Stall VIN: 1B7GG23X3V Coils on iac scope ok, ignition system waveforms good, fuel pressure in spec, vacuum readings good at idle and at rpm, no codes, 02's good on scanner. Stalls at idle intermittently, sometimes will restart and die, other times will not restart unless you hold a...	View
	2010 Dodge Grand Caravan SE 3.3L Steering VIN: 2D4RN4DE2A This Caravan pulls to the right under acceleration only. It seems like good old-fashioned torque steer, but I haven't seen that since the 80's or early 90's, and even under light acceleration it want to pull to the right. I've rotated the tires side to side,...	View
	2005 Ford F-250 Super Duty Lariat 5.4L Electronic VIN: 1FDNF20585 Tow/haul light flashes when truck has started. Ok truck came in with no start and no crank. Hooked ids truck has no commucation. First i replaced the computer and under dash fuse block and restored commucation. But truck will not start on its own unless i add ...	View
	2006 Ford F-150 XLT 5.4L No Start, Stall VIN: 1FTPX12536 having a problem .if i unhook the wire conector at the fuel presser regulator it will start an run fine and after i starte the truck i can reconect the regulator and it will idle but stumbles when i try to drive	View
	2007 Ford Fusion S 2.3L No Start VIN: 3FAHP06ZX7 Vehicle immeadiately went into anti theft. IPC has lights anti theft is flashing when key is on, when you attempt to start the vehicle the anti theft light flashes faster. All fuses have been tested. Attempted to use a snap on scanner to retrieve codes, there ...	View
	1996 Honda Accord LX 2.2L Evap Drain VIN: 1HGCD5635T This 96 Accord has to come into my shop at least once a year to clean the evaporator case out because the drain gets restricted by very fine dust. It builds layer upon layer until the drain is totally blocked off. The water inside keeps increasing until it dra...	View
	2006 Honda Accord EX 3.0L anti-theft VIN: 1HGCM66586 Got a question here for you Honda tech's. My customer has a 2006 Honda Accord that he carelessly left the keys in when he exited the vehicle. Seconds later as he walked away, his ride was stolen and driven away. His vehicle is now recovered in excellent condit...	View
	2008 Infiniti G35 3.5L Starting Hello guys,i'm working on a 2008 infinity G35 with no start ing problem.Customer took the car to dealer and was told to relpace the engine and alternator.This car stars and dies few times then starts and surges at idle,no throttle respond.I have found the batt...	View
	1997 Jaguar XK8 4.0L Surge VIN: SAJGX2749V I have this jag xk8 that I need help with. It runs good for about 10 miles and then the yellow light on dash will come on -- message low engine performance-- the engine will loose power for a moment then accelerate then slow down again. I do not fill any misfi...	View
	2004 Jeep Liberty Sport 3.7L securiety light VIN: 1J4GL48K54 this jeep liberty was towed in. customer stated it just cut off while driving. turn key to start all lights on dash come on but securiety light. will not turn over but can jump starter over and it spins but wont crank. no injector pulse or spark. anybody have ...	View
	2004 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GW48S64 Customer complaint CEL on retrieve p0505. Installed aftermarket IAC motor, clear CEL and drive. Vehicle ok. Customer returned today with complaint of IDLE issues and CEL on. Verify idle issues by test drive and no CEL a.t.t., but stored P0505. Installed NEW OE... Trouble codes: P0505	View
	2006 Jeep Wrangler Unlimited 4.0L Shifting VIN: 1J4FA44S46 We've tried wiggle test and cleaning wire terminals. Useing DRB III and reading data occansionally temperature will immediatly rise above 300 and then return to approx 142 degrees and remain there. It seems engine has to be running for trans data to be accurat...	View
	2003 Mazda MPV ES 3.0L speedo/trans VIN: JM3LW28J43 trans has no codes but appears to be in limp mode as it starts in 2nd or 3rd gear (hard to tell). no meters/gauges were operating. replaced 10A meter fuse and gauges started working again until it saw vehicle speed, then the fuse popped. suspecting internal tr...	View
	2000 Mercedes-Benz S430 4.3L a/c compressor well thank u in advance for taking you time to look at this post. are alldata is on line and cant get info that i need and so manny differant alldata any way customer came in he said he was coming over the pass from taho and the car air ducts under car filled ...	View
	2001 Mercedes-Benz CLK55 AMG 5.5L eis VIN: WDBLJ74G71 Ignition switch wont turn, have power to EIS have power to steering lock, all fuses good, key fob led lights, doors and trunk operate normally, did buy an additional key per customer request , does same thing, no (whooshing sound) of steering lock when key is ...	View
	2005 Mercedes-Benz E320 CDI 3.2L glow plugs VIN: WDBUF26J35 Hello MB Techs The check engine light is on but the engine is starting OK cold or warm, also engine is running fine, please if you can advise about procedure to troubleshoot for these problems. Thanks in advance Rudy [...]	View
	2000 Mitsubishi Montero Sport LS 3.0L timing belt tensioner VIN: JA4MT31HXY I hope this is not an improper place to post this, but I am wondering what other members' experiences have been with timing belt hydraulic tensioners on Mitsubishi 3.0L and 3.5L motors. I have always changed these, but am beginning to wonder if this is neces...	View
	1988 Oldsmobile Cutlass Supreme Classic 5.0L Washer Pump Cover with Circuit Board VIN: 1G3GR11Y4J Hi everybody. Looking for a washer wiper motor cover with circuit board with pulse for this vehicle. GM part number is [...]. I have googled and been in contact with at least 10 places whose websites offer it and say in stock, but they really don't have it ...	View
	1999 Saab 9-3 SE 2.0L Over boost VIN: YS3DF58N5X Vehicle came in with check engine light on and a complaint of poor performance. Went through guided procedures for P0108 and P1549. Did not find any issue with map sensor or sensor circuit. Did find a failed boost control valve. Replaced boost control valve an... Trouble codes: P0108 (Map sensor circuit open or short), P1549 (Boost pressure control malfunction)	View
	2003 Saab 9-3 SE 2.0L Trionic ECU VIN: YS3DF78K13 This car was towed to us from another shop. The engine cranks but will not fire up. When the engine is cranked, the fuel pump relay turns the pump on, so we have some kind of a crank sensor signal. The crank sensor looks OK on the scope. We have spark on coils...	View
	1996 Toyota T100 SR5 3.4L No down shift to 1st VIN: KZN1850004 This is a RHD we are trying to repair. Transmission is believed to be a A-340E. This is a three solenoid transmission. Transmission doesnot drop down to 1st when in drive. Will go into first if manually shifted. Resistance of shift solenoid is 13.2ohms at modu...	View
	2000 Toyota Echo 1.5L Belt VIN: JTDBT1230Y Sorry I put the whole story in related repair history. Ted	View
	2004 Volkswagen Beetle GLS 2.0L Radiator Fans VIN: 3VWCK31CX4 I cannot get the cooling fans on this Beetle to come on. This is causing the car to overheat. I have checked for coolant flow to the res and it seems ok so I'm not thinking water pump. Also there is no power to the fans. When I turn the AC on the compressor wo...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 BMW X5 4.4i 4.4L engine VIN: 5UXFB53524 After checking everything I can think of I believe I am ready to concede to defeat and say the valve stem seals are worn. Even with the eccentric shafts unplugged the smoke is greatly reduced but still there. The customer does not want to spend the money on it...	15
	2006 Cadillac SRX 3.6L Mechanical VIN: 1GYEE63746 Replaced all chains,tensioners,guides. Engine quieter and initially had a bunch of cam position codes upon start up, but after clearing codes none returned but haven't driven it enough to set any monitors. Couple of questions arose though. Could not clear c...	12
	1998 Chevrolet Blazer 4.3L Engine VIN: 1GNCS13W3W Thanks to all the talented people who have come to my help. Thanks also to IATN for providing such a great service. I borrowed another shops smoke machine (Snap On has an outrageous price on them. I am considering buying one from Matco) and found vacuum leak...	40
	2001 Chevrolet Tracker ZR2 2.5L Cuts out, Stall VIN: 2CNBJ73481 Followed the advice of Rich from Michiagan. Removed the battery cables(cables were in horrible condition) and tied them together for 20 minutes. Then replaced the battery cable ends, cut back on the cable to remove the corrosion. Cleaned out the throttle body,...	8
	2005 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E25 ok this car is gone.what got me was ibought a aftermarket switch,the frist one would not take the relearn procedure,so i put a second switch on it belive it or not it cranked and started right up ,cut car off went to put trim back on the switch locked up on th...	12
	2006 Chevrolet HHR LS 2.2L Poor Idle Quality, Surge, Misfire VIN: 3GNDA13D66 Well im sorry for not closing but I cant seem to be able to update post more than once.so Im closing and opening another.my other info should have been in the original post.This thing will miss only when you start it.If it doesnt miss you can drive across the ... Trouble codes: P0300.	19
	2002 Chrysler Sebring LXi 2.7L Misfire VIN: 1C3EL55R92 thanks for all the replies the fix was a oem crank sensor Trouble codes: P0354, P0356.	8
	1995 Dodge Dakota 3.9L hi beam relay VIN: 1B7GL23X0S Hello, Thanks for the relpies. I never found a relay but I found an open circuit under the hood. Thanks again for the help. Another wild goose chase.	8
	2004 Dodge Ram 2500 ST 5.7L Poor Idle Quality, Surge, Cuts out, Stall VIN: 3D7KU28D04 Vehicle was getting an intermittent 5v supply to the Electronic throttle body module. (ETC). Tested all circuits back to PCM from the throttle body, found there to be a break in the 5v supply, from the PCM to the throttle. We replaced the wire and checked, had...	6
	2000 Ford Taurus SE 3.0L Misfire, MIL Lamp on VIN: 1FAFP58S4Y Ok, Here is the results of my latest tests and the end results. I had previously swapped ignition coils prior to this help request and the plugs as well. the misfire did not follow the plug or coil. the misfire was intermittent ( it had to travel 500 miles pri... Trouble codes: P0301.	15
	2001 Ford Escape XLT 3.0L idle VIN: 1FMYU04151 I found a intermittent with tps at idle. It was reading a slightly higher voltage and being in partial open range at times. not very often. that was causing the iac command to rise. Thanks for your help.	6
	2005 Ford Expedition Limited 5.4L compressor VIN: 1FMFU205X5 thanks for all the input.we replaced the pcm,flased and we are back in buisness.We were torn between control head and computer.we double checked our tests and had to be computer.It blows me away 1000.00 for computer.	7
	2009 Ford Escape XLT 2.5L electric power steering VIN: 1FMCU03789 sorry but I must close this before posting a fix. I did borrow an IDS from a friend and along with the replies I feel as if a steering column is going to fix this. Unfortunately it is on national backorder!!! Thanks for the help guys...	14
	2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK29184 thanks to everyone for the help. We decided to try an injection pump but turned out to not be the problem. At this point the engine was half apart and we were finally able to get somthing on the injector return flow from the heads and measure the return rate. ... Trouble codes: P1621 (Control Module Long Term Memory Performance).	16
	1993 Jaguar XJ6 Sovereign 4.0L Alarm VIN: SAJHW1748P I am posting this one as a fix even tho the customer did not want to repair. The trouble was in the alarm module. I disconnect the wire at the fuse box for the module to turn system off. I tried to reset the system 7-8 time but would not clear. Customer said i...	3
	2005 Jeep Grand Cherokee Laredo 3.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GS48K55 Well, after much cogitation and deliberation, I removed the right side valve cover(a fight) and voila! the cam gear(with the tone ring)was indeed one tooth off! Remedied by inserting a wooden wedge in the chain, to hold the tensioner in place, removing the gea... Trouble codes: P0016 (Crank/camshaft timing misalignment).	8
	2006 Jeep Wrangler SE 2.4L Coolant Temp VIN: 1J4FA29176 Well, I thought I had fixed the vehicle. The tstat is supposed to be clocked in a particular way. I did this and drove it for a week.. All monitors were set and passed emissions. Customer took jeep and drove for almost 2 weeks and the code came back and he ...	18
	2002 Kia Sportage 2.0L abs VIN: KNDJA72332 Took vehicle to the dealer and they scanned for codes C1206, C1203, C1208, C1200, C1205, C1202, C1207 and C1204. They couldn't communicate with the ABS module. Check power and ground were okay. They said to replace the ABS module to start and may require furth...	6
	2004 Kia Amanti 3.5L Ignition VIN: KNALD12484 Thanks to all of you for your responces. This web site is a great tool. The Ignition Failure Sensor was bad. It should send 12v to the coils when the key is on. I'm still not sure why there was no PCM pulse to ignition coils, but with the new sensor it now...	6
	2004 Land Rover Discovery HSE 4.6L Air ride VIN: SALTP19494 I still havent found exactly where this ground is but I conveyed to the customer youre suggestion to change it from air to coil in the computer. I have not heard back from the customer so I do not know if this has been fixed or not. Thank you all for the hel...	13
	2000 Lexus ES300 3.0L Excessive Emissions VIN: JT8BF28G5Y Thank you for the help, those that tried. Well, the MAF tested bad so we replaced it. The forward AF sensor in the rear tested badly so we replaced it. Got a moderate lowering of the CO% and HCppm's but not enough to pass smog. The Cat/converter rear test's ba...	6
	1984 Mercedes-Benz 500SEL 5.0L No Start VIN: WDBCA37A6E Thanks to all who replied. Had the other shop return the aftermarket coil and module and replaced with parts direct from Mercedes. So far all is okay.	9
	2002 Mercedes-Benz ML320 3.2L Electronic VIN: 4JGAB54E62 Hello Everyone, The fix turned out to be a used unit. It needed both the motor and control unit, possibly an over current condition took both out. Thanks for the help, Bruce	3
	2003 Mercedes-Benz E500 5.0L converter VIN: WDBUF70J83 Hello everyone, Time has run out on me but this car is still not fixed. I did purchase a star diagnosis system and reset adaptations but no help. I can now control tcc while driving and the noise/vibration does go away completely when disabled. I will post c...	14
	1995 Mercury Sable GS 3.0L No Start VIN: 1MELM50U7S Thanks for all the replies, especially from Gordon. Under the battery is a three wire connector that had gotten soaked with battery acid to the point that the connector was welded or melted together not allowing power or ground to pass through, direct spliced ...	7
	2006 Mercury Mountaineer Premier 4.6L Surge VIN: 4M2EU48826 OK AFTER TESTING SEVERAL THINGS ALL WITCH WAS OK. I SENT TO LOCAL FORD DEALERSHIP. THEY PUT A NEW PCM/TCM IN VEHICLE. THEY TOLD ME IT TOOK CARE OF 70% OF IT. BUT WILL ALSO TAKE NEW TORQUE CONVERTOR DUE TO ALL THE EXCESS SLIPPING THAT HAD BEEN GOING ON. SO I AM...	11
	2007 Nissan Pathfinder SE Off-Road 4.0L Unknown VIN: 5N1AR18W17 Thanks to all; It turned out that the noise and vibration wasa being transmitted throughout the drive train from a failed secondary timing chain tensioner. This engine uses 3 timing chains. The secondary chains run over an oil pressure driven tensioner with a ...	5
	1956 Pontiac Star Chief 5.2L axle seal VIN: K856H68530 Thanks for all the responses. I ordered a set of axle bearings that were of the sealed type. When I changed them, the seal was on the outside of the old bearings, which meant that I would have had to replace them any way. There was no groove on the new bearing...	25
	2003 Saturn Vue 3.0L No Start VIN: 5GZCZ63B33 I wanted to wait to close this one, because I was not sure about the repair. Following the P1629 test in Mitchell and one of the first steps was to scan for voltage. Our Genisys would not communicate with the BCM. I was not sure if it was our scanner or the ve... Trouble codes: P1629 (Theft deterrent fuel enable signal not received).	5
	1997 Subaru Legacy Outback 2.5L Noise VIN: 4S3BG6855V First, yes Calvin the noises went away with the fuses in. Yes, Christian the brackets were bent. Should have added to repair history "Rear differential got very noisy after changing gear oil". What I missied was this car came from a used car lot (Broke rule #1...	6
	2000 Volkswagen Beetle GLS 2.0L no speedometer VIN: 3VWCA21C9Y Thanx guys i appreciate the advice, sorry it took so long to get back, car was on the back burner for a while, i ended up damaging the bearing removing it without the right puller, but in the long run was cheeper to buy new bearing than to buy the tool. Repla...	4
	2006 Volkswagen Passat 2.0T 2.0L Immobilizer VIN: WVWAK73C06 WE SENT THE CAR TO THE DEALER BECAUSE THERE WAS A RECALL FOR THE STERRING COLUMN ELECTRONIC MODULE.IT HAS BEEN SEVERAL WEEKS NOW SINCE THE CUSTOMER HAS PICKED UP AND ALL IS WELL.THANKS TO ALL WHO REPLIED.	3
	2009 Volkswagen GTI 2.0L MIL Lamp on VIN: WVWFD71K39 We will call this one fixed for the moment. Again, Alldata had nothing but the flow chart on line. A request for more information was sent with us recieving a sensor diagram and component location. I still have no idea what the G611 "radiator identification se... Trouble codes: P2570 (Direct ozone reduction catalst temp circuit high).	6

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