Automotive Technicians Technical Discussion and Fixes for Aug 10, 2011

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	Help Request	Answers
	2005 Audi A4 Quattro 1.8L No Start, Cuts out VIN: WAULC68E95 Hi guys.car came in running but misfiring and overheating we found that the cylinder head was crack we got a new one from dealer came with all the valves and rear timing changed already installed.put everything toguether the timing belt is on the correct marks...	View
	2001 BMW Z3 Coupe 3.0L Fuel Guage VIN: WBACK73471 Hello Friends I have this 2001 BMW coupe Z3 3.0 Liter that the fuel gauge don't work, all other gauge work fine, check for code with Modis, wish was up date for BMW, no code find I got ALLDATA and look at the wiring diagram, check all the fuse and all check o...	View
	2002 BMW M5 5.0L MIL Lamp on VIN: WBSDE93412 Good afternoon BMW techs everywhere.I have this M5 that was brought in with a check engine light.I checked codes and I had 18 codes!! I had everything from coolant temp codes to misfires on all 8 cylinders, mixture codes etc.I erased all codes but code 145 or ...	View
	2003 BMW 745i 4.4L not running VIN: WBAGL63453 car was left in lot by wrecker. owner called and said it would not run. i checked fluids, full of water and 6 quarts low on oil. topped off oil and changed plugs. it will not start for me. compression is uneven. pass side, bank 1, are all about 115 psi. the ot...	View
	2004 BMW X3 3.0i 3.0L Engine VIN: WBXPA93474 Suspect a faulty crankcase vent valve. Have vacuum at the bottom of the valve on the hose that goes to dipstick tube. Is there supposed to be vacuum here or is there any way to test the valve. I am getting oil in all the cylinders and when i removed hose from ...	View
	1967 Chevrolet Corvette 5.4L Engine VIN: 194677S122 Now runs hot only when in traffic.any help will be appreicated	View
	1999 Chevrolet Tahoe 5.7L Hesitation VIN: 1GNEK13ROX Thank You in advance, I have a 99 tahoe, c/k body with a 5.7R engine. Problem began several months ago, it will surge or cutout while pulling a hill towing his camp trailer. I was able to duplicate to a lesser degree on numerous road tests. While maintaining s... Trouble codes: P0131, P0137, P0151, P0157	View
	2000 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E07 No injector pulse. Seems to be a security issue with a twist. Key will program and engine will crank, then security light will be on steady with key on but not flashing as when programming. No codes ( using a tech 2)other than crank sensor relearn. pin checked...	View
	2002 Chevrolet Silverado 1500 HD LT 6.0L Rear Main seal? VIN: 1GCGK13U32 Have a major oil leak from the rear of the motor. Put dye in to make sure the oil wasn't coming up higher. like the sender. It is coming from the rear of the engine. I am needing to pull the transmission & transfer case to get to this area. Are there any other...	View
	2006 Chevrolet Malibu LS 2.2L Unknown VIN: 1G1ZS52806 I have a 06 malibu w/ a parasitic draw problem. After shut down the draw will drop to 25-30 mA but if you wait around 45 minutes it will go up to 160-170mA and stay there. If I pull the fuses that power the BCM at the under hood fuse box draw goes away but no ...	View
	1999 Chrysler Town & Country LXi 3.8L Hesitation VIN: 1C4GP54L9X I have this van here that the speedomoter will flucuate and when it does the van will stumble and hesitate. when this happens I can watch on the scanner and the vehicle speed will go up and down with the speedometer. I have replaced the input and output speed ...	View
	2001 Chrysler Town & Country Limited 3.8L 2-4 shift VIN: 2C8GT64L91 This Trans. Shifts Fine From A Cold Start. Wouldn't Even Suspect Any Problems. I Drove It Maybe 8-10 Miles, Trans. Temp Around 180 And Was Shifting OK. Then It Stumbled, SES Light Came On. I Stopped And Started Off Again And It Seemed To Be In Limp Mode. Got T...	View
	2004 Chrysler Crossfire 3.2L Starter VIN: 1C3AN69L74 This car has an intermitent no crank problem. The cust. Says she has learned to live with it.it will start 98% of the time.but if it sits in the sun and gets hot it will not crank,nothing,no click of any kind.now after being in the shop for several days we hav...	View
	2001 Dodge Caravan SE 3.3L Brakes VIN: 1B46GP4538 Could it be a master cyl brake line ect what am i missing here this should be a straight up repair	View
	2002 Dodge Grand Caravan SE 3.3L Starter VIN: 1B4GP44372 This van will not start starter just click like its bad bench tested starter and its fine	View
	2003 Dodge Stratus R/T 3.0L Compressor? VIN: AB3AG52403 Recharged System 15 Oz May 12th, Came Back May14th A/C Light Blinking, System Inop Was The Complaint, Could Not Verify The Complaint At That Time (Intermittent Problem), Returned June 1st, Verified Problem, Cleaned Debris Away From A/C Condenser, Sent To Deale...	View
	1986 Ford E-350 Econoline 7.5L Electronic VIN: 1FDKE30L6G Greetings all. I'm looking for a wiring diagram for this vehicle. It has a dealer installed A/C with two different blowers. The a/c or heater blower only work on low. Can removed the switch and ground each one and have the blower(s) go to full speed. Suspect t...	View
	1997 Ford F-150 4.6L Misfire VIN: 1FTDY1767V Definite low grade misfire on cylinder #6. Compression is 150 lbs static and varies 35-75 dynamically, however most of time it stays around 35lbs. Found same results when I tested cyl #5 as a reference. Most of my compatriots have no experience using DYNAMIC c... Trouble codes: P0306	View
	1998 Ford Explorer XLT 4.0L serp belt VIN: 1FMZU34E1W I replaced engine cassettes, timing chains, balancer, crank sensor, alternator, water pump, belt tensioner and belt (twice)on my wife's 4L. After replacing said parts, belt keeps walking toward the inside of the balancer. Second water pump, I thought maybe the...	View
	2002 Ford Focus SE 2.0L alternator VIN: 1FAFP34P6Z Greetings all, This Focus has a charging issue. At an idle, and when accelerating, the alternator light is on, and the voltage drops to 12.9 with the lights and A/C on. At 1200 RPM and higher, the light goes out, the voltage jumps to 14.6. I have run additiona...	View
	2003 Ford Focus LX 2.3L Cooling Systems VIN: 1FAFP33ZX3 good afternoon everyone, car came in for gauge overheating, never boil over, check for fans operation ok. change thermstat , gauge goes to almost hot fans kick on but when checking block temps and hoses they are normal.. this is a 2.3 motot it has a cyl head s...	View
	2005 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSF21P45 1st of all this vehicle has been sitting for 2 years.We towed it in.It has new batteries which the owner killed trying to start.We charged the batteries.attempted to start sounded like it wanted to but didnt.We scanned the computer and the only code was PO611.... Trouble codes: P0611	View
	2008 Ford Escape Limited 3.0L engages at low speed VIN: 1FMCU04118 Vehicle came in a week after we installed brakes and said that his abs engaged when coming to a stop intermittantly it has code a c1234 rf sensor no signsl. Replaced sensor and the same thing happened. Seems like first hard application after sitting for a whil...	View
	1998 Honda Accord EX 2.3L Electrical system VIN: 1HGCG5658W Car loses all power intermittently, causing the car to shut off and all lights go out. After a few minuets the power comes back on and the car can be restarted. Key light remains on during car shut off.	View
	2000 Hyundai Elantra GLS 2.0L Mechanical VIN: KMHJFF35F6 Vehicle towed in with shredded timing belt + crashed valves. Head rebuilt, new Gates belt + tensioner kit installed. On reassembly noted that Tbelt was moving outward off pulleys when cranking. I realized that it has no guide between crank gear and crank pulle...	View
	2003 Jaguar X-Type 2.5L Hesitation VIN: SAJEA51D43 When driving "Cruise unavailable" warning comes on and vehicle loses acceleration. Then it will come back and vehicle will buck and jerk. Have checked the codes, re-set. Checked for intake leaks, none. Replaced fuel, etc... Have checked connections and emissio... Trouble codes: P0171 (System too lean), P1582 (Flight recorder data is stored), P0300 (Random Misfire Detected), P0301 (Cylinder 1 Misfire), P0303 (Cylinder 3 Misfire), P1316 (Misfire rate excess emissions)	View
	2006 Jaguar XJ8 4.2L Temperature VIN: SAJWA71BX6 The car runs good and the temperature stays right on 95c. however, when you turn on the A/C system, within 5/6 minutes, the temperature gauge on the dash rises steadily to hot(in the red) and the overheat light comes on, however upon checking the engine temps,...	View
	2006 Jeep Grand Cherokee Laredo 3.7L Neutrals VIN: 1J4GR48K26 Customer stated eng revs to limiter while driving ie: neutrals, then after moving shifter through manuel + or - it will catch gear again. We cannot dupe the concern in shop. Our otc scan tool doesnt have any trans data for us to look at. Have trans code u0404 ...	View
	2010 Lexus IS-F 5.0L Outlet temp VIN: JTHBP5C22A This vehicle is still under warranty but I am obligated to at least find out if we may have caused a problem. Before the 30k service we just performed, no problem. Now, the auto climate control is blowing out too cold air temp. Even when adjusted to max high t...	View
	2000 Lincoln LS 3.0L Misfire VIN: 1LNHM86S1Y I am a Mercedes tech that needs some help on this Lincoln. It is here for a misfire on Cylinder 6. The vehicle is always misfiring. The fuel injector for cylinder 6 is not firing, although I assume this is because the PCM has shut it down as a result of the mi...	View
	2000 Mazda 626 LX 2.0L Excessive Emissions VIN: 1YVGF22C2Y Aprox. a month ago this vehicle came in with DTC'S PO400 and P1410 and its back. When the EGR Valve was replaced the passages were cleaned, also checked the power and ground cicruits to the soleniod valve, they were good and the soleniod valve will operate. An... Trouble codes: P0400 (EGR Flow Fault), P1410 (EGR Boost Sensor Soleniod Stuck)	View
	1992 Mercedes-Benz 190E 2.6 2.6L Excessive Emissions, Hesitation VIN: WDBDA29D2N vehicle is lean at all times,adjusting CO has evened out idle but heavy hesitation upon accel,backfiring though intake.haven't found anything convincing when checking the usual areas for this type of complaint.CO cannot be tuned to match idle to 2500rpm (no va...	View
	2001 Mercedes-Benz CLK320 3.2L Top VIN: WDBLK65G11 Hi Guys, i got this 2001 mercedes CLK320 the convertible top wont work, scan the vehicle found code B1650 in the convertible top module, clear the code & retest no codes found, but the top still not working, the car came in with the top down & it was raining w...	View
	2001 Mercedes-Benz ML430 4.3L Hesitation VIN: 4JGAB72X1A Hello group and thank you for your time, This vehicle will intermittently lose acceleration rate when WOT is being applied. Vehicle will accelerate up to 5k rpm with no problem then the yellow triangle begins to blink and rpm drops to 3k. Once it reaches 3k ac... Trouble codes: P0400 (EGR Malfunction)	View
	2003 Mercedes-Benz C230 Kompressor 1.8L Surge VIN: WOBRN40J93 This is new to me and my benz expierience is shy, can someone guide me in the right direction. We recieved a car from a car dealer that has a unique symptom. On cold start it will surge quite badly especially in gear but after about 2 minutes it clears up and ...	View
	2004 Mitsubishi Endeavor XLS 3.8L timing ping VIN: 4A4MN31SX4 vehicle has a major timing ping, detonation, ignition rattle when under load, slow speeds or highway speeds.we tried octane boost, premium fuel, cooler spark plugs, with no luck. vehicle runs great, lots of power , idles & runs smooth, no codes. any help would...	View
	2001 Nissan Xterra SE 3.3L Excessive Emissions, MIL Lamp on VIN: 5N1ED28Y4Y hello i have this xterra with mil on and its time for plates at il i have all the monitors to ok except the H2o Engine rpm 1737 load value 52.1% map sensor 58kpa coolant temp 181*f short term f/t 1 -1.0% long term f/t 1 1.5% short term f/t 2 7.0% long term f/... Trouble codes: P0400	View
	2007 Nissan Maxima SE 3.5L Abs VIN: 1N4BA41E77 Hi everyone, How do you test the abs sensors on theses cars? While driving vehicle, and looking at data stream I see the rear 2 sensors are not equal to each other nor to the front . The fronts are fine. Also how do test the can line? I never have done this b...	View
	1999 Oldsmobile Silhouette Premiere 3.4L speedometer VIN: 1GHDX03E5X This vehicle came in about a week ago for inop speedo. Isolated to a failed pcm. Replaced pcm. Vehicle ran fine and everything worked but the new pcm did not have a vin and it would not flash for me. I took it to the dealer and it would not flash for them eith...	View
	1963 Other GM Monza 900 145CID unknown VIN: 30927W1241 Hi there, Thanks for your help. This car pulls to the right only when braking. I've taken all the wheels and drums off and checked to make sure the shoes and springs were installed correctly. I checked to make sure fluid was coming out of all bleeders. I also ...	View
	2007 Pontiac Vibe 1.8L 1-2 shift VIN: 5Y2SL65837 hi guys, this one is a head scratcher.car came in with code 2111 (tac stuck open) and a harsh 1-2 shift. This poor car is a cab and has had a tough life but it has been well maintained. Bought new ecm from gm dealer today, installed it, the dtc 2111 is no long...	View
	2003 Porsche 911 Carrera 3.6L Key FOB Memory VIN: WP0CA29933 Hello I currently have a 2003 Porsche 911 that the Key F.O.B. memory won't reset. I've tried a number of methods including what the owners manual instructs with no luck. All the memory funtion buttons work but the last driver's settings are still programmed. W...	View
	2004 Renault Espace 3.0L Surge, Cuts out VIN: VF1JK0JDB3 Hi Guys, have this french beast in my shop.The car starts and idles fine.When you drive it the car starts to hesitate as soon as you pass aprox. 2500 rpm with black smoke.It feels like its running out of fuel.When rpm drops it drives normally and never dies.L...	View
	2001 Saturn SL2 1.9L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy Customer compaint is bad gas milage, claims to get 19 mpg. Car is running very rough. LTFT"-9" STFT"10" it idles with a miss fire. Decided to install new igntion wires, the old ones were in pretty tough shape. After we started it back up it was running even wo... Trouble codes: P0440	View
	2006 Subaru Forester X 2.5L MIL Lamp on VIN: JF1SG65616 Good morning, Here is my situation with this car,check engine light on evap code for vent valve,when I put this car in check mode I get no signal from ecm to vent valve, I have 12v there but no ground from ecm,all other out puts click and pulse when in check ... Trouble codes: P1433	View
	2003 Toyota 4Runner Limited 4.7L door locks VIN: JTEBT14R23 Hi All thanks in advance for looking at this post. hopefully an easy one. What I have is an 03 4 runner that only the right front and left rear door locks work the way they should, ( key fob everything) while the other two ( drivers and right rear do nothing. ...	View
	2007 Toyota Camry Hybrid 2.4L Keyless Entry VIN: JTNBB46K07 Hello all. Was wondering if there is a relearn for the FOB after battery is disconnected. Vehicle ran perfectly to shop. Disconnected battery for evaporator replacement. Disconnnected about day and a half. When job was done reconnect battery and fob not workin...	View
	2002 Volkswagen Jetta GLS 1.8L Cooling Fans VIN: 3VWSE69M42 This car came in with a overheating issue, turns out cooling fans were not working. Tested fans to find that they "do" work so we wnt ahead and replace the control module, fan switch on rad. And temp sensor on t-stat housing...fans still are not coming on and ...	View
	1999 Volvo C70 2.3L Soft top VIN: YV1NC56D8X Vehicle came in a month ago with CCU 316 rear hatch opening code,cancel code and worked fine for a couple of weeks,customer was driving and started beeping and quit working. Code CCU120 cover lock permanent fault and CCU216 cover lock switch permanent fault,c...	View
	2006 Volvo XC90 2.5T 2.5L Pass. seat, dash, etc VIN: YV4CZ59276 car came in blowing fuse # 10 under dash intermittently... takes out PSM, CCM, AUM, DIM, Pass SRS etc... drove car 30+ miles with no blown fuse... next day fuse blew again ... no special circumstances	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1998 Audi A6 Quattro 2.8L Misfire, MIL Lamp on VIN: WAUBA34B9W Thank You so much for all the helpful advice! Unfortunately I herniated a disc in my spine and have been unable to work on it since :( I will try all the suggestions and repost if necessary. Thanks Again! Trouble codes: P0000, P0303 (Cyl 3 misfire).	7
	2001 BMW 740iL 4.4L Blower Motor Volume VIN: WBAGG83471 after the road test and loosing all of the blower, it started clicking in the dash. got back and removed dash and r&r the motor/final stage assm. reassembled and did great. thank you to all whom gave advise on this.	4
	1989 Cadillac DeVille 4.5L r 12 VIN: 1G6CD1158K sorry about the late close, this cady is fixed! a 134a retro fit worked well. this car had a problem with the bcm not alowing the controller to work properly, replaced bcm with a reman from gm, installed a adjustable low pressure cycling switch from napa and a...	14
	2000 Cadillac DeVille DHS 4.6L Engine VIN: 1G6KE57Y4Y Thanks for everyone taking time out of their busy day to help out. The car is not fixed but i know what the problem is. I bought a combustion tester as some suggested. The car failed the test so it appears the northstar head gasket/ stripped head bolt thread...	14
	1984 Chevrolet Corvette 5.7L No Start VIN: 1G1AY087IE I want to thank everyone who offered help... It seems I have some bad gas, rear injector stuck open... Am cleaning tank, relacing sock on filter, replacing fuel filter, Replacing both injectors and putting kits in pressure regulators... Thanks again...	23
	2001 Chevrolet Monte Carlo LS 3.4L dash light VIN: 2G1WW15E01 lots of good info and help , r&r headlight switch and found the dimmers wire conection was a little burned, cleaned and tightened the conection and also found the rear park lamp fuse in right side I/P fuse block blown. everything is working as it should. thank...	7
	2011 Chevrolet hd3500 6.6L Poor Fuel Economy VIN: 1GC4K1C88B thanks to all that offered info, the truck was reflashed at the dealer 2 days ago on a recall. hope the next trip goes better than the last two. as far as a lemmon law buy back the dealer has to have 4 atemps to repair the problem, we have 3 in amd not 4 due t...	9
	1997 Chrysler Sebring JXi 2.5L crank sensor VIN: 3C3EL55HXV Thanks for all the suggestions. I did pull the upper int plenum & dist for access. A sheet metal screw from the side broke the plastic. A screw from the end just pulled/stripped out (even with heat applied). The bellhousing is scientifically designed to deflec...	8
	1999 Chrysler Concorde LX 2.7L oil pressure VIN: 2C3HO46R7X Thanks for the help! Eleven of the 30 replies pointed to the connector at the oil sending switch. This was the easiest and quickest thing to try and it worked! I just removed the plastic cavity plug on the connector and no more light. I drove this car fo...	36
	2000 Chrysler Town & Country LXi 3.8L No Start, No crank VIN: 1B4GP44G2Y TRIED ALL SUGGESTIONS RECIEVED, THANKS. REMOVED ALL PINS FROM PCM CONNECTORS AND REPLACED, ADDED DIELECTRIC GREASE AND RECONNECTED, HAVE NOT HAD ANY OTHER PROBLEMS AT THIS TIME.	11
	2003 Chrysler Town & Country EX 3.3L Interior VIN: 2C4GP44302 many says corrsion from the battery. yes that what the proplem was.but i still don't under stand why it took the pci bus down only for few minutes after cold start.and it didn't do all the time either.once it ran for few minutes everything went to normal like ...	8
	2006 Chrysler PT Cruiser 2.4L cooling fan VIN: 3A4FY48BX6 well we thought we had this one fixed. we removed the radiator and condenser. he does a lot of night driving and the condenser had a lot of bugs and debris in it, also there was a good portion of the lower section of both radiator and condenser that had the ...	17
	2000 Dodge Neon ES 2.0L No Start VIN: 1B3ES46C6Y I believe I need to get a cam/crank sync done on this car but my scanner is not new enough to do it let alone even communicate well enough to do the basics like view data or codes. Don't know why - so I will seek another shop for help on getting the sync done....	13
	2002 Dodge Intrepid ES 3.5L Hesitation VIN: 2B3HD46V32 First of all I'd like to thank all that responded to my post. There was a lot of good advice. I found that the map sensor was hanging up at times causing the hesitation. Like some of you pointed out, my vacuum was too low. I put a gauge on the engine and obser...	7
	2006 Dodge Charger R/T 5.7L Hesitation, Surge, Cuts out, Stall VIN: 2B3KA53H86 I am closing this for now, the car is going to a dealership to be diagnosed... I don't have a Dodge capable scanner, all my stuff is European...Will repost when/if an answer is found. Thanks again for everyone's help and input Trouble codes: P0700 (u0100-), U0100.	7
	1991 Ford Mustang LX 2.3L Compressor Clutch VIN: 1FACP41M6P This vehicle is finally fixed I ended up flushing the entire system again and it started working. We found the condenser was restricted again and the evaporator was now restricted too. The owner mentioned something interesting to me that made me flush the syst...	16
	1995 Ford Taurus GL 3.0L Door latch VIN: 1FALP52UXS Thanks for the input. The latch did fit. Thanks again	5
	2004 Ford F-350 Super Duty XL 6.0L Unknown VIN: 1FTWW33P44 I received a couple of replies that mentioned a sticking blend air door, which would would make sense because the driver hears inside the truck, I can't hear it under the hood. Customer is out of state, but I will get him back in as soon as I can. There was so...	7
	2006 Ford Five Hundred SE 3.0L Starter Relay VIN: 1FAFP23166 This vehicle is fixed. Thanks to everyone for the replies. The problem was a bad PCM and a corroded TCM fuse. Summery of Replies: Hank suggested monitoring the CAN bus lines to see if the TCM was communicating with the PCM, which is great advise. This s...	5
	2002 Honda CR-V EX 2.4L Compressor VIN: SHSRD78802 i traced this down to either a multiplex or pcm. the customer did not want to take a gamble on either so we did not get confirmation of what one would have fixed it. thanks to all for the replies. i let this one go without a diag charge cause i could not pinpo...	5
	2002 Jaguar X-Type 3.0L cd player VIN: SAJEA51CO2 My father-in-law has a 04 Jag Xtype. I'm going to try his player in my car,like the 2 replies I got said it probably is, if the cds cycle when cartridge is put in. Other reply said to check player connection if the radio works. I will update this post when I s...	3
	2003 Jeep Grand Cherokee Laredo 4.0L Lf Power Window VIN: 1J4GW48563 Thanks to everyone for your tips. The tips on the door jam wiring led me to the actual problem. All the wires in the door jam were good, but then I followed the wire harness back to the switch. At the switch, the big black/ground wire had a poor connection ins...	15
	2007 Lexus RX350 3.5L Battery Draw VIN: JTJHK31U57 We have not had the opportunity to test nor repair the vehicle. The vehicle owner opted to return to the dealership rather that permit us to track the problem down. A common fault on other makes is a sticky 'key in' switch. This would prevent the system ...	7
	1988 Mercedes-Benz 560SL 5.6L No Start VIN: WDB8A4800J Well here we go again. We have tested everything and for the last 6 days it has started first time every time. Wish I knew why. So we will ship it and wait till it fails again. If there are any ideas please respond.	4
	2008 Saturn Aura XE 3.5L Misfire VIN: JT3HN86R5Y Thanks for all who replied. It was carbon tracking. Just have not seen this much to realize what we had. Changed wires and all is good.	4
	2003 Toyota Highlander Limited 3.0L compressor VIN: JTEHF21A03 Wow this thing is fixed.The problem was coolant temp was too high.The gauge only went up just barely past half way but coolant temp was 240.The overflow resevoir was full but the radiator was 3/4 of a gallon low.I replaced the cap,filled the cooling system and...	12

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