Automotive Technicians Technical Discussion and Fixes for Jul 8, 2014

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	Help Request	Answers
	2005 Audi A4 1.8L low boost Hi, I need some help with the Audi 1.8T. It has lack of power and keeps throwing 'boost pressure regulation' control range not reached. I have seen this code many times and fixed them with diverter valves and wastegate control solenoids and other leaks but thi...	View
	2001 BMW 330Ci 3.0L Mechanical VIN: WBABS53461 This car came in with no Reverse, car was fine & shifting fine no problem, she parked it next day it wont move in revers, check with the san tool no codes, shifter display ok in all gears, is that internal issue?do i need new transmission? Any help will be gre...	View
	2004 BMW 325i 2.5L MIL Lamp on VIN: WBAAZ33424 This 2004 BMW 325I has an evap system code. After the car sits for a while it will leak fuel through the vent of the DMTL. It just pours out. It eventually stops. We don't have any experience on BMW evap systems. The one thing that is really puzzling is why is... Trouble codes: P1447	View
	2004 Cadillac Seville SLS 4.6L No Start, Electrical VIN: 1G6KS54Y14 We have a NO START condition here))) NO COMMUNICATION WITH ANY MODULE)))SECURITY LIGHT comes on and goes OUT after several seconds. Dash lights up and fuses are good. PWR windows and PWR locks inop. Radio inop. PRND321 has "D" highlighted. 2.6 volts on #6 and ...	View
	1997 Chevrolet Express 1500 5.7L door locks, engine data VIN: 1GBFG15R1V Van was towed in for a no-start. After a sniff of ether, started, ran, and drove perfect. The doors lock themselves (only when the motor is running) and then are inoperative (can hear the relay but nothing in the doors). Key fob doesn't work either. Sometimes ...	View
	1997 Chevrolet K1500 Cheyenne 5.7L Power/Ground To Ac Relay VIN: 1GCEK19R4V I have a fun one for all of you GM A/C guru's out there. I have a basic understanding of this system but need help tracking down what triggers the A/C relay to turn on the A/C. I can jump the relay and the A/C works flawlessly so I know the system works and th...	View
	2001 Chevrolet Silverado 3500 6.6L Cuts out, MIL Lamp on VIN: 1GCJK33151 This is a work truck so it is always pulling trailers and used for plowing snow. The only time you notice the problem is when it is under load. I think I need an injector pump, I can command the Fuel Pressure to 160 MPa and the Actual Fuel pressure only gets t... Trouble codes: P0093	View
	2008 Chevrolet Express 3500 6.6L MIL Lamp on, reduced engine power VIN: 1GBJG31658 please help I am a gas master tech but have only been repairing diesel for 1 year. This is an ambulance chassie that we service regularly,fuel filter,fluid changes ect.It has set a P0087 a few times over the past few months very intermittently. always at 100% ... Trouble codes: P0087	View
	2005 Chrysler 300 C 5.7L not shifting VIN: 2C3AA63H05 Car came into the shop with a locked up engine. We sold the customer an engine and the install went fine until I went to take it for a test drive and the trans was not shifting. I checked for codes and there was a U0121 present(lost communication with the ABS ...	View
	2008 Chrysler PT Cruiser 2.4L Unknown VIN: 3A8FY48BX8 Hi guys I have this 2008 pt cruiser with a transmission code. P0882 tcm power input low I check all the. Wiring can't find. Any problem . I. Think it need a tip. Module car. Runs ok but I would not shift. Any help. Thank you	View
	2001 Dodge Ram 3500 Van 5.9L Surge, Cuts out, Stall, MIL Lamp on VIN: 2B7KB31ZX1 Thanks in advance for your help. This van came in running rough, stalling, temp gauge maxed out but not over heating, trans temp light on but not hot, CEL on, OD OFF flashing, customer said it was running fine then the gauges and lights came started running ro... Trouble codes: P0108 (Map sensor voltage high), P1596 (speed control switch voltage always high), P0113 (Iat voltage high), P0123 (Tps voltage high), P0713 (Trans temp high), P1763 (Gov pressure voltage high)	View
	2002 Dodge Grand Caravan Sport 3.3L No Start VIN: 1B4GP45372 I have this van that wont fire the coils.if you check it is not grounding the coils.this is what puzzels me.if you will crank it for about a minute it will start and runs good.but when it startys it sets codes po 351--352 and 353.when i check bcm ciodes i get ...	View
	1998 Ford F-150 XL 4.2L Mechanical VIN: 1FTZF1820W Customer brings in his pick-up for brakes. Very close, but not metal to metal. I replace front brakes & rotors, rear shoes & drums. Bleed the system. He picks it up and calls the next day that the brakes seem to be dragging. Well an oversight on my part, but w...	View
	1999 Ford Windstar SEL 3.8L dead battery VIN: 2FMZA5341X Hi Guys, I'm filling in on summer vacation only at this shop. They have been fighting a intermittent dead battery for some time now[couple of months]. Every time they do a drain check it is normal[sorry don't have value]but it always checks out ok! They are ho...	View
	2011 Ford Escape Limited 3.0L MIL Lamp on VIN: 1FMCU0EG8B hi everyone thanks for reading this, back in October 2013 car came in with code p0455, gross evap leak or no flow. smoke tested found that vent valve was not shutting off all the way. changed vent valve retested all was good. then in may car came back with cod... Trouble codes: P0455	View
	2012 Ford F-150 FX4 5.0L Misfire, MIL Lamp on VIN: 1FTFW1EFXC Good morning my fellow iatn technitions i have one that has become a bit of a headache i installed a brand new engine from dalmer powertrain inc. They said this engine was brand new from ford came with intake and all the covers supplied with oil we installed t... Trouble codes: P0300, P0302, P0308	View
	2012 Ford E-250 5.4L parking lights VIN: 1FTNE2EL3C This cargo van intermit. blows fuse #22(15amp) in the interior fuse block for the parking lights. When it came in it was a dead short as soon as you put a fuse in it would pop. I thought it would be easy to find since it was a dead short, but I was wrong! I do...	View
	2008 Honda Civic LX 1.8L Engine Knock/Rattle VIN: 1HGFA16588 I'm hoping someone has seen/heard this before. I have this 08 Civic with what sounds like a death rattle. When you first start it it rattles for about 3-5 seconds then goes away completely that is until you bring it off idle to about 2200-2700 rpm. Then it jus...	View
	2008 Honda Accord EX 2.4L No Start, Stall, MIL Lamp on VIN: 1HGCP26878 vehicle was towed to the shop, spins ok but no start, checked fuel, spark, both ok, checked codes and found p1009, vtc timing advance problem, checked oil condition and level, both ok, changed oil to make sure right visc. 5w/30, remove oil passage screen and c... Trouble codes: P1009, P0340	View
	2006 Jeep Commander 4.7L Horn VIN: 1J8HG48N06 Truck came in with battery going dead due to horn going off! Found horn goes off about 30 seconds after truck is shut off! runs for about 30 seconds then will shut off and may or may not go off again. horn does not operate by panic button on remote or from ste...	View
	1986 Mercedes-Benz 560SL 5.6L Poor Idle Quality, high idle VIN: WDBBA48D0G This car is idling at 1000 rpm. I have checked the throttle switch. it tested good. I checked the current draw of iac and it is approx. 650ma. So it also does have power from the overvoltage protection relay to the idle speed controller module. smoke tested fo...	View
	1991 Mercedes-Benz 560SEL 5.6L Asr VIN: WDBCA39E2M We have a clients 1991 560SEL 126 body car. The vehicle has the ASR light on constantly, and the throttle has a significant delay when applying the accelerator pedal. THE ABS LIGHT IS NOT ON. Another item to note is that the cruise control does not work, altho...	View
	1998 Mercury Mystique GS 2.0L Stall VIN: 1MELM6534W Ok People, Here we go. This is my personal vehicle that I got from a customer some time ago that didn't want to put the $ into it. We replaced the cylinder head and of course replaced all timing components, tune up items, etc. Car has been running great. We ar...	View
	2003 Mini Cooper S 1.6L Blank Cluster VIN: WMWRE334X3 where is the instrument cluster module or is it incorporated into the body or engine module?	View
	2007 Mitsubishi Raider SE 4.7L MIL Lamp on Does anyone know how to the (re)write the vin to a CAN Dodge PCM that is in a vehicle without immobilizer. I've been succesful with the DRB3 on non-CAN vehicles (by using the page fwd or page back keystroke after getting the "VIN validated" screen. But this ve... Trouble codes: C2206	View
	2008 Nissan Frontier Nismo Off-Road 4.0L Starter VIN: 1N6AD06U18 Calling all Nissan Mechanics. Thanks to all for reading this and your help. Truck belongs to our in shop welder. He's a Nissan fanatic. He bought the truck a year ago and has had no problems until this morning. He was driving in this morning and heard a "pop" ...	View
	2006 Pontiac Montana SV6 3.5L Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 1GMDX33L76 Van came in for lack of power taking off, you almost have to floor it to get it going from a stop.Codes p0171,p0327,p0332.I checked for vacuum leaks and cleaned a half plugged MAF screen. Ran the tests on Alldata on the front knock sensor. Can not get to the r... Trouble codes: P0327, P0332	View
	1996 Porsche 911 Carrera 3.6L Poor Idle Quality VIN: WP0CA2997T Misfire at idle (rough idle)smooth then rough then smooth again. Performed clt 7% or less checked fuel pressure in spec. Scope checked both dist/coil systems did not pick up any odd patterns. Tried new air mass meter no change replaced spark plugs and checked ...	View
	1996 Porsche 911 Carrera 4 3.6L Electronic VIN: WP0AA2998T Looking for some 993 A/C advice. I have this 96 993 that came in with no A/C. customer says compressor has been noisy and wanted new. replaced compresser, reciever drier and expansion valve. after install, found condensor fan cycling intermittently. read diagn...	View
	2006 Saturn Vue 2.2L wheel bearing VIN: 5GZCZ33D06 changed left front hub bearing every 3 to 5 months over last 18 months 3 times now and its being torqed to spec any recs?	View
	1997 Suzuki Sidekick JS 1.6L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 2S3TE02V0V Hello fellow Techs, i need your help, this suv came in our shop with a check engine light on and rough idle all the time. found a p0172 rich bank 1 code. and started diag. 02 sensor b1s1 stuck at 900mv, st -24 lt -24. checked fuel pressure regulator, checked f... Trouble codes: P0172	View
	1992 Toyota Pickup DLX 3.0L No Start VIN: JT4VN13D4N This trk will melt the rotor button in 10 Miles. It will run fine until it melts and slings it around inside of cap. The contact strip looks fine. The plastic just melts ,it started this in the winter and has got to the point you cannot drive it know. I have b...	View
	1995 Toyota Tacoma DLX 2.7L monitors I have a early OBD truck in which i replaced cat converter due to a p420 failure. Truck came back 10 daya later with p420 again. However this truck hasn't seen speeds above 35mph all its life. So i find nothing wrong and cleared code. Then i drove vehicle on h...	View
	1997 Volvo 850 2.4L No Start VIN: YV1LS5559V Thanks in advance guys and ladies. Not a Volvo tech myself. This car drove in for an oil leak, Put my #1 tech on it, he is slow as sin but very thorough. Pulled trans to replace rear main. Job went smooth as you could expect for a Volvo until it was all back t...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 BMW 740iL 4.4L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: WBAGJ832XV thanks to all who posted. Decided to check cam/crank timing even though the compression was good. Brought Number 1 close to top using screw driver went below to line up and lock pin into the flex plate. Hole in flex plate not anywhere near number one, also ... Trouble codes: 147 (thermostat).	10
	2005 Buick Rainier CXL 4.2L suspension VIN: 5GADT13S65 Thanks for all replies. We order a coil spring conversion kit from Arnott Inc. Air Suspension Products. Came with complete instructions. There is also a Your Tube video on this procedure. Vehicle drove great.	15
	1999 Chevrolet Silverado 2500 6.0L Oil pressure VIN: 1GCGC29U3X Replaced oil pump and pickup tube , performed an oil change with a good fram oil filter and now pressure is within specs. Thank you very much everyone for all your input and suggestions.	24
	2001 Dodge Grand Caravan EX 3.8L Electronic everyone said that d1 wasn't a code. it was. couldn't find a flow chart for it. but the problem ended up being the expansion vale. this vale had two wires going to a switch on the valve. cost 125 dollars from dealer. changed it and a/c works great and code is ...	11
	2007 Dodge Caliber R/T 2.4L rear defrost VIN: 1B3HE78KX7 unfortunately customer needed vehicle back so i have gotten no further with this one...have read this is a problem with these vehicles and chrysler dealerships are sending this problem to the engineers so hopefully there will be more information available soon...	6
	1997 Ford E-350 Econoline Club Wagon XLT HD 6.8L Pressures After extensive research and help from all of you, we were able to find a part number on an updated condenser from Ford. The condenser has 7 more rows of core and are thinner, it also comes with an updated underhood charge sticker for 2.83 lbs v.s the standard...	21
	1998 Ford Escort ZX2 Hot Coupe 2.0L No Start VIN: 3FAKP113XW Thanks to all who have responded. Unfortunately this vehicle is not fixed yet. Another identical Escort was in the shop(not with a performance issue) and I was able to do some comparisons with scanner which suggested that the pcm was faulty. I sent it out to A...	27
	2003 Ford Mustang GT 4.6L theft,odometer reads -------- VIN: 1FAFP42X23 ended up being a fauly rebuilt ipc sent it out again problem solved thanks for all the help everyone	14
	2005 Ford Explorer XLT 4.0L Poor Fuel Economy VIN: 1FMZU73E25 Hank was correct, this tank had to be replaced due to internal damage. thnks everyone	5
	2002 Honda CR-V EX 2.4L Unknown VIN: JHLRD78942 As most replied drive axle was the issue. Customer would not pay for O.E.axle. We replaced left axle with 3 different brands and finally the vibration was gone. It is troubling that aftermarket parts seem to be getting worse as time passes, thanks to those wh...	10
	2005 Honda Odyssey EX 3.5L Ride VIN: 5FNRL387X5 We replaced the left CV shaft and problem fixed. Customer may replace the right side yet just because. Thanks to all who replied to this request. Randy.	22
	1997 Lincoln Town Car 4.6L air susp VIN: 1LNLM81WXV i tried a few different ways of getting the light to stay off and i couldnt get it to stay out, i couldnt take the bulb out because of the led display but i talked to the customer and they will live with it thanks for all your replies	10
	2005 Mazda 3 S 2.3L air compressor VIN: JM1BK143X5 Replaced the pressure switch on the high side ac line by the firewall, also found the system in suction, replaced Condenser (which comes with Receiver Drier), and H valve, cooling like a trooper now.	9
	2008 Mazda CX-9 Grand Touring 3.7L m i l VIN: JM3TB38V68 Hey gang, car is not fixed - yet. customer took it to Mazda and was told the SRS module was faulty. thanks for replies: no calibration possible on front seat sensor ( that I am aware of ), Harness clips are intact, and crank / start up voltage is within spe...	4
	1995 Mercury Sable GS 3.0L Compressor VIN: 1MELM50U4S The Ccm was getting power from ECM ,but not sending to compressor. The high pressure switch by ps pump checked good as well as all other switch. I tapped on high pressure switch and ac came on for a minute. We replaced and now ac works . It was strange checked...	8
	2007 Mercury Mountaineer 4.0L 3rd gear VIN: 4M2EU47E07 WE END UP HAVING TO REPLACE THE VALVE BODY IN THIS UNIT.IT WAS NOT THE SOLENOID BLOCK THAT WAS CAUSING THE ISSUE. WE ARE GOING TO INSPECT THE ORIGNAL VALVE BODY AND SEE WHAT CAUSED THE ISSUE WE WERE HAVING. THANK YOU FOR THE REPLIES.	4
	2005 Nissan Altima S 2.5L no overdrive After doing a little more checking with the scanner a little more I noticed that the voltage on the temp sensor was high as if it was disconnected.UNplugged the connector and noticed a pin bent in the pass through connector. Repaired the connector and it work...	4
	1993 Oldsmobile 88 Royale 3.8L No Spark VIN: 1G3HN53L3P The 3x crank signal to the PCM was shorted to 18x signal to the PCM. When the signal was checked from the ICM to the PCM there was none due to the two being shorted together. Thanks for all the help!	12
	2000 Toyota Echo 1.5L p0171 VIN: JTDAT1236Y The car will be back in at the end of the week for the new o2 sensors. Fuel pressure checked out perfectly so some fresh Denso sensors is in order. I would have liked to have waited until the car was actually fixed in order to close this, pretty lame, but I do...	28
	1999 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation VIN: WVWMA63B5X Thank you for all of the replies. I cleaned the throttle body and tried the relearn procedure as was mentioned. The relearn did not take. I replace the throttle body and did a relearn and the code went away. The idle was good and no drivability problems. T... Trouble codes: P1545.	13

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