Automotive Technicians Technical Discussion and Fixes for Sep 12, 2013

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	Help Request	Answers
	2006 Acura RL 3.5L a/c compressor VIN: JH4KB16586 Hi every body. Thanks in advance for putting attention to my request for help. We have in the shop an acura 2006 whose a/c system does not cool. It came with the compressor inoperative although there were 12v at the coil connector. We put a DENSO reman. compre...	View
	2004 BMW X3 3.0i 3.0L surges 3000-4000rpm VIN: WBXPA93414 This X3 was sent to us by another shop in town who grew frustrated with it...now it's our turn! This appears to be a common X3 symptom I found while researching Identifix and BMW owner and tech forums. many solutions are suggested but none are definitive. Ever...	View
	2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595 Initially this vehicle came in with misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode ... Trouble codes: P0024 (B Camshaft position timing overadvanced Bank 2), P0021 (A Camshaft position timing overadvanced Bank 1), P0303 (Misfire cyl. 3), P0300 (Random Misfire), P0306 (Misfire cyl.6)	View
	2006 BMW 325i 3.0L MIL Lamp on VIN: WBAVB135X6 Hi Group 2006 BMW 325I with N52 MOTOR. service engine light on with no drivability complain. 3 codes are related to manifold pressure system and sensor. codes are p1197 p1104 p1124.the pressure sensor is 3 wire like map sensor located at the top at end of inta... Trouble codes: P1197, P1124, P1104	View
	1984 Chevrolet C70 C7D064 6.0L fuel pump VIN: 1GBN7D1E3E I am looking for wiring diagrams for this truck, have not had any luck with any of my usual channels. So far I tried AllData archives, the local GM dealer, as well as some other shops that have medium & heavy duty truck info systems. Also posted in the HD foru...	View
	1997 Chevrolet Camaro 3.8L ac air temp. VIN: 2G1FP22K6V I purchased this car for my daughter. after buying the car, I realized the a/c compressor was seized up. I replaced the compressor, the orfice tube, and the condenser, and flushed the entire system through. After charging the system, on 90 degree day, the dash...	View
	1997 Chevrolet S10 4.3L Abs inop VIN: 1GCCS19X8V My abs lite is on and found no speed readin out of pass front sensor.replaced that sensor and got mph reading but scanner is telling me erratic readings on both front now,reading rear sensor but does not have rea abs.scanner says switch open on fron and rear a...	View
	2000 Chevrolet Astro 4.3L security VIN: 1GNDM19W9Y help to all the tech. I have this car which is my neighbors van and he come up to me asking for some help regarding his van it does start and it will stall in less than a minute. I know I'm dealing with security system for its steady on but once I put my scann...	View
	2001 Chevrolet Corvette 5.7L Interior VIN: 1G1YY32G01 I got this corvette here with the turn signals not working intermittently. I know the hazard switch is a common problem so i was gonna slap one in. Well turns out its not as easy as slapping one in. My question is does anyone have any tricks to remove the haza...	View
	2003 Chevrolet Trailblazer North Face 4.2L Left Blend door VIN: 1GNET16S83 I now get look at this problem. Scan for codes no codes in system. verify issue only heat on divers side. Watch data on tech 2 can watch right side commanded and actual are close to each other. When you sweep right side though it air flows leaves vent and it s...	View
	2003 Chevrolet Trailblazer LTZ 4.2L compressor VIN: 1GNDS13S23 truck was in for an axle seal. we left the ign on i guess and the battery was dead the next morning. Charged battery and now the ac does not work. No a/c light on control or recirc light on control. Blower works and it appears stuck on full heat as well. So we...	View
	2006 Chrysler 300 C 5.7L Front differential VIN: 2C3KK63H46 When making a left turn only you hear a grinding noise from underneath the front of vehicle. PLEASE HELP ME!!! HOURS OF D&A ALREADY INVESTED!!! THANKS!!	View
	1997 Dodge Ram 1500 ST 5.2L Vent temp. VIN: 3B7HC13Y9V Dodge truck AC problem. I am sure I can't see the forest for the trees on this one and must be brain cramping.This is a very basic ac system that just wont blow cold enough for Florida, high humidity hell heat(we have 90-95deg temp and very high humidity).We ...	View
	2002 Dodge Ram 1500 ST 4.7L Valve Lash Adjusters VIN: 3D7HA18N02 Ok engine was rebuilt 1 year ago has lifter tapping on r bank replaced all lash adjusters on that bank also found 1 rocker pitted up bad and replaced cam had a small line on it but taping is not from that one! used stethoscope to listen with valve cover off! e...	View
	2004 Dodge Ram 3500 SLT 5.9L Hesitation VIN: 327MU48C34 used drb3 to make relay click found no circuit dicription in shop key. no location on circuit or where the valve is located? Trouble codes: P0477	View
	2008 Dodge Charger SE 2.7L Unknown VIN: 2B3KA43R38 Hello, This is my first post; thanks for reading it. This Charger has a clunking noise in the front end. It's extremely noticeable; almost any bump or rounghness in the road will cause it. I would describe it as a heavy metal-on-metal noise. I can't make it h...	View
	1995 Ford Aerostar 3.0L No Start VIN: 1FTDA14U6S Cust complained of intermittent no start after a drive to store and no start when leaving. Let it sit for a while and it would start. Never dies while driving. We found the dist cap wasn't fastened properly and was worn out along with rotor. Replaced those but... Trouble codes: P0122	View
	1998 Ford Explorer Sport 4.0L timing chain VIN: 1FMYU24E0W Just a quick question on the damage that has occurred-- Without removing the front cover or damaged valve cover yet, has anyone experienced this damage?? A quick look (very quick) appears to indicate that the chain has been loose enough to damage the valve cov...	View
	2000 Ford F-350 Super Duty XL 7.3L Poor power VIN: 1FDWW36F9Y This truck is right on the edge of ok. It is old enough to suspect injectors but I am confused by a few numbers and what is out there on IATN. My MAP sensor reads 14 koeo and at full throttle it will hit 17, 18. the EBP reads 17.9 koeo and it goes to 18.9 at i...	View
	2003 Ford Expedition Eddie Bauer 4.6L No Start VIN: 1FMRU17W73 Vehicle towed in for no start, no crank. Found no communication with PCM but can communicate with other modules. PCM not energizing starter relay. Thinking PCM problem so I tested power and grounds to PCM - OK. Tested for 5 volt reference to see if that is sho...	View
	2006 Ford F-150 XLT 5.4L Cuts out VIN: 1FTPW14V56 This truck loses power on acceleration like the cats are plugged. Only 2 psi back pressure before Cats, Dropped exhaust down at manifolds, no change when driving. scanner shows FRP to match desired FRP when driving most of the time sometimes desired pressure i...	View
	2007 Ford Escape XLS 2.3L No power on takeoff VIN: 1FMYU02Z37 hello,I have this escape that has no power on takeoff,but runs ok when you get up to speed or over 2500 rpm.It has more power if i turn a/c off and takes off better but i am not sold on its a low power problem.I am leaning toward torque converter and wonderin...	View
	2010 Ford Fusion SEL 3.0L Unknown VIN: 3FAHP0CG3A Intermittant loss of manual shift control and will start out in 5th gear. Vehicle will sometimes reset itself,sometimes it requires key off for it to reset	View
	1999 Honda Accord EX 2.3L Poor Idle Quality, Stall VIN: 1HGCG6671X This car came into our shop with a low idle / stalls occasionally complaint. I cleaned the throttle body; replaced the idle control valve; adjusted the valve clearance. The spark plugs were recently replaced, and compression readings of 165 thru 175 were recor... Trouble codes: P0301 (1 Cyl Misfire), P0302 (2 Cyl Misfire), P0304 (4 Cyl Misfire), P1457 (Evap System Leak Detected)	View
	2002 Honda Civic EX 1.7L expansion valve VIN: 1HGES26892 thanks to all ahead of time for the help. my question is where is the ac expansion valve located on this 02 civic and if under dash does it require all of dash to remove. it is my sons car and he won't be here for a week or so and i can't look. we looked a whi...	View
	2006 Hummer H2 6.0L MIL Lamp on VIN: 5GRGN22U86 The vehicle came in for check engine light diagnostic. Found dtc p0120 (T.P. sensor circuit). Also found that the harness to the throttle body has been replaced and looks good. Scoped both tps circuits. Tps 1 signal and reference voltages are good. Then I foun... Trouble codes: P0120	View
	2009 Hyundai Elantra SE 2.0L No Start VIN: KMHDU46D99 Here's a gem guys and gals. This beauty came in on the hook after stalling and no start. Someone had started to diagnose and had removed valve cover, which showed the rockers CAKED with 1/2 of oil. Oil probably not changed for 20000 miles. Customer was told th...	View
	1995 Jaguar XJS 4.0L pedal travel VIN: SAJNX2745S Car was towed in after owner experienced a sudden drop in the brake pedal accompanied by smoke from the front brakes. He said that normal operation had returned after parking it and letting it cool down. I suspected a sticking caliper had overheated and boiled...	View
	2003 Jeep Grand Cherokee Overland 4.7L a/c VIN: 1J8GW68J63 Customer brought in jeep because it didn't seem to be blowing "as cold". Checked vent temp and it was only 50 degrees fahrenheit. Checked pressures and high side was only 150PSI and low side about 25-30 which I thought was a bit low so I recovered and got 1.51...	View
	2004 Jeep Grand Cherokee Overland 4.7L p0846 c2 sense through 1-2 Shift VIN: 1J8GW68J84 Code p0846 and sometimes a p0732. as stated before this is after a dealer and AAmco. Vehicle is in limp mode and if you clear it it will come back within the first 1-2 shift. I was thinking this problem may just be a line pressure problem but I have a drb3 and...	View
	1997 Mercedes-Benz C230 2.3L shift VIN: WDBHA23E4V Vehicle arrived at shop in limp in mode with codes present for speed sensor failure P0720 and P0715 we replaced the conductor plate and fluid filter and gasket and checked the harness for fluid cleared ecu as needed and road tested vehicle still slams into gea...	View
	2006 Mercedes-Benz S600 5.5L instrument cluster VIN: WDBNG76J96 Intermittent problem. Customer drove from CT to Boston- while driving in Boston the dash went out completely. A while later it came on. Over a bump it goes off and back on. Had multiple communication codes, cleared them all and drove it 100 miles with no issue...	View
	2005 Mercury Monterey 4.2L Pats System VIN: 2MRDA22215 We disconnected the neg. battery connection while replacing water pump and raised the front side of engine on radiator side to remove water pump. After completion vehicle won't start. The Pats Light Flashes and there is no crank when attempting to start. Can't...	View
	2008 Mercury Mountaineer Premier 4.0L MIL Lamp on VIN: 4M2EU48E28 I have this Mountaineer that is setting a P1450 code. Originally It came in for a P0455 gross leak code, replaced the canister vent and vapor management valve. Came back 2 weeks later with the P1450, no other codes. I have checked all lines for restrictions su... Trouble codes: P1450 (unable to bleed up fuel tank vacuum)	View
	2009 Smart Fortwo Brabus 1.0L cooling fan VIN: WMEEJ31X59 Hello everyone, I have no info or misinformation from alldata.I am looking for wiring diagrams and the cooling fan relay location. My cooling fan is intermittently working and have p0116 and a p0117 stored. I need the resources to diag this problem. Any he...	View
	2006 Toyota RAV4 Limited 2.4L Compressor VIN: JTMBD31V96 My question is will the solar sensors stop the compressor from cycling refrigerant? This is a variable displacement compressor that does not use a clutch. My understanding is that the solar sensors control the air conditioning settings when on Auto. If the rig...	View
	2010 Toyota Camry SE 2.5L Abs /Track VIN: 4T4BF3EK6A Started car after eng swap no ses light eng runs ok. Test drive abs & trac light on p0500 speedo is inop .insp all conetors none left off . Is p0500 comen	View
	2006 Volkswagen Jetta TDI 1.9L brakes VIN: 3VWCT71K86 hello group, I have here today this vw jetta here again, originally I found the rear calipers locking up even after opening the bleeders, and replaced the master and booster because the brake pressure sensor was showing high unless you pulled back on the pedal...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Acura MDX Touring 3.5L blower motor VIN: 2HNYD18652 Thanks to all for the help, it turned out to be the climate control module. Louis from North Carolina was of huge help by giving us the pin values. Thanks again.	8
	2003 BMW 330Ci 3.0L sun roof VIN: WBABN534X3 i want to thank you all for your replies. I spoke to the owner of the car and explained to them what i'm getting into. I gave them two options-- new from dealer or used from a yard. they declined me doing nay further work as they are thinking of trading it ...	6
	2006 BMW 325i 3.0L turn signal VIN: WBAVB13576 The problem appeares to be "fore and aft " alignment of contacts, slightly flattened terminal of bulb holder to provided more contact area, I am attributing this failure to poor quality control during manufacture. The TYC fixture did arrive with Hungarian made...	9
	2003 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall VIN: 1GNDM19X33 thanks to all who offered help. The cam sensor scoped fine, but in desperation I replaced it. the car has been gone for 3 weeks with no problem.There was no reason in my mind to understand this but the sensor was bad. I had already tried all the things that we... Trouble codes: P0341.	11
	2006 Chrysler Sebring GTC 2.7L MIL Lamp on VIN: 1C3EL75R46 Thanks for the replies. I decided to replace B2S2. After road testing several times the car passed all monitors with no codes pending. Trouble codes: P2098 (Post catalyst lean bank 2).	6
	1996 Dodge Ram 2500 8.0L oil pressure VIN: 3B7KF23W9T The pressure was tested at the filter (I have a tool that replaces the filter for testing). I took apart the pressure regulator and found every thing OK. I removed the oil pan and pumped oil into filter housing - I used a garden sprayer , pumped up was about ...	6
	2004 Dodge Durango Limited 5.7L Misfire VIN: 1D8HB58D14 You guys called it...broken valve spring. Thanks to all who replied...it is always greatly appreciated. Thanks again, Mike. Trouble codes: P0306 (Missfire 6 cyl).	14
	1997 Ford Explorer Eddie Bauer 4.0L engine VIN: 1FMDU34X2V after further investigation and the help of our great techs abroad we have found that a rear oxygen sensor had been installed in the upstream location and the pig tail had even been modified so it would fit. Unbelievable the work that some people do in this in...	8
	2000 Ford F-350 Super Duty Lariat 7.3L Noise VIN: 1FTSX31F8Y Big thanks to all who took time to reply. Special thanks to Lee for his idea about making up pvc tubes and a regulator to test intercooler and to Glen for his idea to use smoke on EBP tube,to test for exhaust leaks. Unfortunately no leaks were found in any tub... Trouble codes: P0476 (Exhaust Pressur control valve out of range.).	21
	2008 Ford Escape Hybrid 2.3L Suspension VIN: 1FMCU49H98 Thanks for all the replies!!! The final fix was a passenger axle assembly both inner and outer. I went with dealer axles to eliminate any other problems. THANKS FOR YOUR HELP!!!	9
	1993 GMC K1500 Sierra SLE 5.7L Transmission VIN: 2GTEK19K7P CUSTOMER OPTED TO DRIVE TRUCK EVEN THOUGH NO FIRST GEAR TAKE OFF WAS APPARENTLY CAUSED BY THROTTLE BODY TO CARBURATOR CHANGE OVER. THEY WILL DECIDE WHETHER TO GO BACK TO THROTTLE BODY OR CHANGE TRANSMISSION YEAR W/DETENT CABLE.WILL WEIGH THE MONEY DIFFERENCE A...	22
	2003 GMC Sierra 1500 SLE 5.3L overheating VIN: 1GTEK19T33 Thanks to all techs that respond to this request. I took advice. And I ended replacing radiator and solve the problem, so again thanks to all techs the support this isue.	19
	2003 GMC C4500 Topkick C4E042 6.6L vss VIN: 1GDE4D1123 I'm sorry it took so long to close this post, I wanted to be sure the truck would not come back with this same issue again. thanks for the replies you guys hit it right on the nose with the programming issue. the axle and tire size was not programmed into pc...	8
	1998 Honda Accord LX 2.3L MIL Lamp on VIN: 1HGCG3146W after verifying which computer that was in the car ,which was a lev we made sure we had the right sensor .we then used a headlight to check circuit from pcm thru power circuit .after supplying ground at pcm headlight lite up with no loose of voltage accross an... Trouble codes: P0135 (Sensor1 heater circuit).	9
	2002 Honda Accord LX 2.3L oil in oil VIN: 1HGCG32662 Well, the vehicle is gone. The insurance company sent a adjuster to look over vehicle engine. His final word was there was water in oil and cylinders due to unknown reasons and probably could not be determined for certainty. The insurance company called us ...	35
	1994 Jeep Wrangler Sahara 4.0L MIL, Upshift VIN: 1J4FY49S1R Not fixed yet but I will closed and repost when the fix is in. Several suggested corroded connectors. All the connectors are clean. Suggestions of shorted clusters went nowhere as they are all clean and not shorted (I removed and checked all the ribbons to be...	7
	1995 Jeep Grand Cherokee Limited 5.2L No Start VIN: 1J4GZ78Y9S thanks all..this is a great site.. the fix was a wire touching and rubbing through the insulation on to a metal bracket that holds the fuse box under the hood which blowed the trans-ECU 15 amp fuse,replaced the fuse and fires right up and drives.. thanks again...	13
	2007 Mazda CX-7 Touring 2.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: JM3ER29317 There were six replys, the low voltage issue was fixed by cleaning all the multi pin connectors at the fuse box and computer behind. The turbo, entire exhaust from turbo back, oxygen sensors, spark plugs (which were still OEM at 107K miles, oil and flter all c...	6
	2002 Mercedes-Benz C240 2.6L Surge, Stall, Misfire, MIL Lamp on VIN: WDBRF61J92 Thanks you for your help, all of you. Richard and Brad, you were right on. Resetting the sensor rotor adaptation (misfire monitor)took care of the problem. It's amazing how computers can trick you. Trouble codes: P2054 (Misfire 6 Cylinder).	9
	2008 Mercedes-Benz ML320 CDI 3.0L Turbocharger VIN: 4JGBB22E78 Thanks for all the assistance with this issue. Due to the amount of the turbo, I was looking for reassurance that I was not missing anything in my diagnosis. Thanks to Mark at Quality Fuel Auto/Truck Repair, I was able to locate a turbo at a great price. The a...	7
	2006 Mini Cooper 1.6L Key I couldn't find option in ISTA/P to program key. will treat it as key gone bad.	3
	1996 Plymouth Grand Voyager 3.0L battery VIN: 2P4GP2432T Mike from montana was correct. Fuse # 2 does not have power with key off! Wiring diagrams were a little deceiving ,but if you look at an ignition switch diagram it shows this circuit hot key on, off and run. There is a locked position as well. I just so happen...	7
	2007 Subaru Forester X L.L. Bean Edition 2.5L MIL Lamp on VIN: JF1SG67697 Thanks to all who responded, especially Hong [...] from Virginia. We do understand that the PCM looks for excessive current in this circuit to set the DTC. We had to release the car for a while but have it back now. The P0083 took 150 miles to reappear. The ... Trouble codes: P0083 (OSV solenoid Left side malfunction).	11
	2009 Toyota Corolla XLE 1.8L No Start VIN: JTDBL40E69 EVERYONE WAS ON THE MONEY ON ENGINE TESTING BEFORE TEARDOWN AND COMPRESSION TEST REVEALED BLOWN GASKET OR ENGINE DAMAGE W/SMOKE TEST.INSURANCE COMPANY TOOK OVER AS A CLAIM WAS DON [...] ON VANDALISM.HAVE`NT HEARD BUT HOPE TO GET ENGINE JOB.THANKS AGAIN FROM TOP SHO...	10

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