Automotive Technicians Technical Discussion and Fixes for Jun 5, 2013

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	Help Request	Answers
	2003 BMW 325i 2.5L starter VIN: WBAEN33483 does anyone know of a good or shortcut method to replace a starter motor on this BMW.The last mechanic in our shop removed the intake manifold-thanks in advance	View
	2002 Buick Century Custom 3.1L Hesitation, Surge VIN: 2G4WS52J02 Well,this one is a little mystery.There are no codes and the intermittent symptom feels like a misfire. I checked the archives and found common problems of coils,injectors,and fuel pumps. I have tested fuel pressure 50#;plugs look good,low mileage.Pulled the p...	View
	2003 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP52K23 This Buick runs like a top, then without warning will just shut right off. It will restart imediataly run for a while then just quit. Fuel pressure holds steady. No codes. With my scanner attached, the instant before the engine quits, it loses communication th...	View
	1998 Chevrolet K1500 Cheyenne 5.7L master VIN: 1GCEK19R6W if you drove this truck & no one told you about the brakes it would scare you when you hit the brakes. The peddle is very low & spongey and has been for years.If any one knows why please tell me.charles	View
	2003 Chevrolet Silverado 2500 HD 6.6L engine VIN: 1GCHK291X3 vehicle came in with coolant in oil, about 1 1/5 gallons in oil.when 1st checked the cooling system would not hold pressure,with engine pan drain plug removed coolant would gush out of pan fairly quick, we removed new oil cooler to check o-ring seals and found...	View
	2004 Chevrolet Silverado 2500 HD LT 6.6L tube VIN: 1GCHK29144 this is my personal vehicle. there is a tube on the right front of the engine that occasionally starts puffing out smoke. sometimes at a stop it looks my valve cover just let go. some times it does not smoke at all. the injectors were replaced about 20 k ago. ...	View
	1999 Chrysler LHS 3.5L Starting VIN: 2C3HC56G3X Vehicle came in with starting issue. Vehicle stalls and I have replace coil pack, Camshaft position sensor, plugs, pressure sensor. Vehicle still runs rough and stalls out at a stop? Any ideas?	View
	2007 Chrysler Town & Country LX 3.3L 2-3 shift VIN: 2A4GP44R47 As stated the transmission was replaced due to reverse being out but the 2-3 shift when cold does not happen. On the lab scope pins 7&8 get a pulsed signal during 1st gear, no pins are grounded for 2nd gear, and when cold only pin 6 gets the ground pulse and n...	View
	2008 Chrysler 300 LX 2.7L coolant fill chamber VIN: 2C3KA43R48 system still draws air and will push coolant out before overheating after the third or fourth op-temp cycle. This vehicle appears to be drawing air into the closed system. Negative for leakage, small piece of debris was discovered in the radiator (plastic and ...	View
	2004 Dodge Ram 2500 ST 5.9L upshift VIN: 3D7KU28C54 This truck came in two days ago stuck in 3rd gear, no upshift or down shift. desired pressure at 0 at stop and actual showed 53psi. lead to pressure control solenoid and sensor repalcement. Test drove and it was fixed. Truck went home approx. 50 miles later ba...	View
	2008 Dodge Ram 3500 ST 6.7L slow exeleration VIN: 3D6WH48A88 need help on this one slow exeleration under load have tested fuel flow 500 ml in 10 sec when you drive the truck it seams fine go to pass somebody it like the truck is holding back boost seams good no codes no missfires almost like pluged dpf but i think a li...	View
	2009 Dodge Ram 1500 Sport 5.7L Controller VIN: 1D3HV18T99 Hello Dodge guys. I believe that this will be an easy one for someone in the dealership. I would really appreciate the help om this one. Customer (friend) states A/C quits working as well as automatic lights. He disconnects battery then it all works again for ...	View
	1986 Ford F-350 XL 7.5L TPS reading wrong VIN: 2FTJW35L0G Recently finished conversion to MAF/SEFI system using an EEC-V box and OBD-II capability. I have the software and hardware for a direct flash of the EEC-V system. Initial run, everything except some error codes (related to not having or needing the full CA spe... Trouble codes: P0122 (Low TP), P0144 (Bank 1 Sensor 2 HEGO heater), P0385 (Crank sensor B), P0452 (Purge system pressure sensor)	View
	1992 Ford F-150 Custom 4.9L Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1FTEX15Y2N truck ran great for a month and came in with a terrible idle or actually no idle.had to stay in gas to move truck.found several codes and went with first one.egr assembly.it was melted at the exhaust tube entry.replaced it and got power now but idle is not the...	View
	1994 Ford Mustang 3.8L MIL Lamp on need help with my own car , code p0340 , thought it was an easy fix at first, new cam sensor was put in, but didn't work, searched iatn's database to find it could also be an alt, so got a new one from summit racing, after a few days same code came back, put a... Trouble codes: P0340	View
	1999 Ford Windstar LX 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 2FMZA5145X This windstar has a hesitation when accel from a stop. If engine is under load it will sometimes stall. Engine also idles rough in p/n. It seems to smooth out some in gear. If you snap throttle with a load on it will stall almost every time. There is also a sl...	View
	2000 Ford F-150 Lariat 5.4L Unknown VIN: 1FTRX17L3Y thanks in advance, had this trk come in off interstate, alt, failure,battery went dead , replaced alt, and engine wont accelerate since,misfires all cylinders,and no power, wont pull off at all runs bad, local ford tech, said to ck wire harness to transmission...	View
	2001 Ford Escape XLT 3.0L Poor Idle Quality, Stall, Poor Fuel Economy, VIN: 1FMYU04111 Vehicle came in with various misfire and lean codes. Other shops had done half a tune up each year for the last 2 or 3 years. I Did a tune with Iridium plugs, new coils and Intake Gaskets, Fuel Filter. Smartened up the misfire and lean codes immidiately. Thoug...	View
	2002 Ford F-250 Super Duty Lariat 5.4L electric window, radio, dome light This truck comes to me after customer's window switch failed to roll up the driver's side window, however the passenger side would work. The customer thought that he could simply turn the switch around and press the side that would normally roll up the passeng...	View
	1995 GMC K1500 Sierra SL 5.7L Speedometer VIN: 1GTEK19KXS This one came in with a intermittant no speedometer and no Tachometer. When the problem occurs (no tach and speedo) I still have good rpm and VSS readings with the scan tool. Also, when the speedo and Tach are NOT working the transmission goes into default mod...	View
	2007 GMC Sierra 1500 SLT 6.0L No Start VIN: 2GTFK13Y87 Looking for some help from some GM tech's. This truck came in for a brake job. It was on the rack for the weekend in neutral so the key was off as far back as possible. (Alternator light on but the ignition system off). Brake job was performed and the battery ... Trouble codes: U0140 (Lost communication with the BCM)	View
	2003 Jeep Grand Cherokee Laredo 4.0L Cooling Fan Motor VIN: 1J4GX4S63C Got this Jeep that we have replaced fan and wpig tail on harness side befor for being burnt up inside connector. Truck is back with same issue fan connector is burnt up on ground side. checked amp draw of motor with fan jumped straight to B+ and ground with am...	View
	2005 Jeep Grand Cherokee Laredo 3.7L not shutting off VIN: 1J4GR48K95 I have a check engine light with no codes only u codes. When I shut ignition off every thing powers down but the engine still runs and then shuts off after the fuel pressure goes out. If I jump the fuel pump relay then the engine will stay running. The ecm is ...	View
	2006 Jeep Grand Cherokee Laredo 4.7L Tcc VIN: 1J8HR48N56 Hi, not a transmission guy so this may be a simple overlook on my part. Test drive vehicle, at about 35mph the tcc goes to partial emcc and the vehicle shakes bad, like the tcc is locking/unlocking. Hit the tow/haul button to disengage tcc, shake is gone. Not ...	View
	2007 Jeep Grand Cherokee Laredo 3.7L Starter Solenoid VIN: 1J8GR48K57 This Jeep was towed to my shop after a no crank condition. I went through all the checks. Scan tool shows ignition switch request. Relay clicks when the ignition switch is in the start position.Swapped the horn relay in place of the starter relay. Applied 12v ...	View
	2006 Kia Sedona LX 3.8L Drivers side power sliding door VIN: KNDMB23326 I have a good customer with an inop power sliding door on drivers side. Customer states that the door opened on its own on the highway. she pulled over and manually shut the door. Now it will not operate with any of the switches or key fob. I scanned it and th...	View
	2002 Land Rover Range Rover HSE 4.6L long crank VIN: SALLMAMA32 Ny client is complaining about a long crank before starting but only when HOT . He has been told that it is the fuel pump by Rover but the pump was new a couple of years ago. Pressure is good ,flow is good and the pressure seems to be holding ok. The long cran...	View
	2005 Mercedes-Benz E320 CDI 3.2L Ac VIN: WDBUF26J35 We have this 2005 E320 CDI. The problem with AC is, that it work perfect on passenger side we've got 42F. On driver side, we've got 70F. We have no fault codes in the HEVAC. We use Launch X431. So we replaced heater dual valve, and no improvement. We noticed t...	View
	2008 Mercedes-Benz CLK350 3.5L Air delivery VIN: WDBTK56F78 The customer's complaint is that the dash vents stop blowing, on the road test I noticed that the system switches to the floor heater vents and blows ice cold air out of them. It will switch back to the dash vents. I pulled the codes listed, but due to a full ...	View
	1996 Plymouth Voyager 3.0L wipers VIN: 2P4FP2531T We just replaced the motor on this 1996 plymouth voyager. Engine swap was a success and the car runs smoothly. Problem is the wipers will not stop. It has no problems with the wiper speed controls and the washer motor. The only problem it has is if you switch ...	View
	2002 Pontiac Montana 3.4L Cuts out, Stall VIN: 1GMDX03E72 Hello gentlemen. I have an 02 Montana here with a problem. New customer, just stopped in the other day with an intermittent stalling problem. He said that he had this problem previously and a shop in northern FL replaced the TPS, which seemed to fix the car fo...	View
	2006 Pontiac Montana SV6 3.5L Hesitation, Stall, VIN: 1GMDV33L56 When you are driving down the road.vehicle will stall then the trac control light comes on no codes at the same time the signal lights will not work. After turning ignition switch off the signals will work and tc light goes off	View
	2008 Suzuki Swift+ 1.6L 1-2 shift Hi Suzuki Guru`s Please need some helping hand here.This car is Suzuki swift(yom 2008)RS415 1.3L with auto tranny. This car only shifts 1,2 & some times slips,revs up but can`t drive fast 20km/h has code P1811 my launch master says `Transmission 4-wheel drive...	View
	1989 Toyota MR2 GT 1.6L Surge VIN: JT2AW15J2K Need some help on this one. Customer replaced engine with a used one because previous one ran out of oil-siezed. Was running fine up to that point. Could'nt get it running so here it is. He had already found and replaced the ignitor and distributor with ones h...	View
	2001 Toyota Camry LE 2.2L Poor Idle Quality, Cuts out VIN: JT2BG22K41 Customer just purchased vehicle. Intermittently cuts out and stalls. No codes present. We have driven this car multiple times, and cannot replicate the problem. Monitored data, fuel trim, engine temp. Etc., while driving and did not see anything unusual.	View
	2003 Toyota Avalon XL 3.0L engine performance VIN: 4T1BF28B43 Vehicle will stop accelerating at 4,500-5,000 RPMs like a rev limiter is activating. You must give it 85%-100% throttle for it to have this happen. It seems like the warmer the operating temperature gets, the worse it gets.(example:first it happens at [...]...	View
	2004 Toyota Tundra Limited 4.7L No Communication VIN: 5TBDT48124 Thankyou in advance for reading this post. This Tundra originally came in for NH state inspection. It failed the emissions test for no communication. Customer brought it to another shop close to his work, they were not able to find anything and suggested he ha...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Acura TL 3.2L ac hose VIN: 19UUA662X4 guys i did just replace the hose. It was not very expensive, however the labor was a bit tough as it was a complete rigit line :( ... Thanks for the advice. Most comments said that the valve is "supposed" to be able to unscrew and be replaced. But something in...	11
	2005 Audi A4 Quattro Avant 2.0L esp VIN: WAUKF68E55 Thanks to all!! Fixed this one with a new duo sensor. ( Has g & yaw sensor) Re assembled and all is well.	5
	2006 Buick Lucerne CX 3.8L Hesitation VIN: 1G4HP57266 I appricate all that responses I recieved on this vehicle. I thoroughly inspected wiring harness from sensor to pcm. Couldnt find any issues at all. we replaced the MAP with a oem part and going to drive and see what happens. Only time will tell for sure if th... Trouble codes: P0107 (Map sensor low voltage), P1107 (Map sensor int. Low voltage).	9
	1995 Chevrolet S10 LS 2.2L Poor Idle Quality, MIL Lamp on VIN: 1GCCS1947S Thanks for the help. Sometimes the brain fades and forgets about the basics. Found the engine oil was fuel fouled. Performed an oil and filter change and now the fuel trim numbers are near normal. Greatly appreciate all the help. God Bless each of you. Eric. Trouble codes: 45 (Rich Exhaust).	19
	1998 Chevrolet Prizm 1.8L engine VIN: 1Y1SK5282W thanks techs i do close this with out a fix still not sure what the problem is did check for exhaust restrition non found replaced the crank sensor and as stated before the cam sensor was replaced rechecked fuel pressure and compression and spark all is good ...	22
	2008 Chevrolet Colorado LT 2.9L Hesitation, Cuts out VIN: 1GCCS19988 The customer took the vehicle to the dealership. The throttle body assembly would fix this concern, but with the price of the part, they wanted to be sure. Trouble codes: P2135 (throttle position sensor 1-2 correlation).	16
	1999 Dodge Ram 1500 ST 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3B7HF13Z3X This vehicle is in the process of getting a different motor installed. After the suggestions of the low compression, I pulled the left head and found the Piston erroded away and the rings showing. Deep scoring on the cylinder wall so hence the new motor. Shoul... Trouble codes: P0307 (Cylinder 7 Misfire).	11
	2006 Dodge Ram 1500 ST 4.7L Poor Fuel Economy VIN: 1D7HA18N86 After going over the previous repair of replacing the idle air control valve and both upstream oxygen sensors, the likelihood that a vacuum line disturbed that may cause a vacuum leak is not possible. The engine layout and design does not require any device... Trouble codes: P0172 (Bank 1 Rich).	11
	2002 Ford Ranger XL 2.3L No Start, MIL Lamp on VIN: 1FTYR14D62 Well it turns out that our local Ford Dealer gave us the wrong keys for this truck. Apparently there are two different security keys avail for this vehicle and we got the wrong ones. Locksmith came out this morning with a NGS and cut two new keys and programme... Trouble codes: B1213 (b1602-), B1602.	15
	2006 Ford Focus ZX4 2.0L 4th gear VIN: 1FAHP34NX6 We installed an experienced unit in this vehicle and the transmission would now shift through all ranges properly. No further problems on this vehicle. Thanks for all the replies.	7
	2007 Ford F-450 Super Duty XLT 6.0L Hesitation, Cuts out, Stall VIN: 1FDXF46P57 thanks to all who helped. I gave up & took it to a dealer.the dealer told me this morning that # 5 injector was bad.But the man working did not drive it but 1 mile.he said # 5 injector & the transmission caused it to cut off.so thanks to all woh helped. If any...	12
	2005 Jeep Liberty Sport 3.7L Rear Brakes/Suspension VIN: 1J8GL48K65 I want to thank everyone for the wide range of help. I have to thank Anthony for this fix. I've been doing this for more years then I care to think about, but I've never heard a U-joint make the noise I had here. I found the joint at the rear of the drive shaf...	9
	2006 Mazda 6 S 3.0L No Start VIN: 1YVHP80D06 We found the fuel pump fuse to be at fault. One side of the fuse was corroded causing voltage drop and is a critical supply b+. We found it by luck. Trouble codes: U0100.	4
	1987 Mercedes-Benz 560SEC 5.6L Stall VIN: WDBCA45D1H sorry it took so long to respond back on this one,but it is fixed.it ending up being a fuel distrubler,i also removed the furl tank and cleaned it out,replaced the strainer.I bougkt a used fuel distrubler off line and replaced it and now the car runs great.	7
	2008 Mercedes-Benz SL550 5.5L Trunk VIN: WDBSK71F18 Thank You so much for the 4 techs that were kind enough to reply. The fix was indeed the trunk button inside the trunk. The 3 little pins were corroded. From left to right there is 12volt for the button illumination, middle pin is switch ground for either the ...	4
	2003 Nissan Sentra GXE 1.8L Hard start VIN: 3N1CB51D03 Thank you for all of the replies, your help is appreciated. I checked voltage drop on the ground side and all was good, less than 2 tenths of a volt. I replaced the crank position sensor and the sparkplugs since they were old and worn. Car has been starting mu...	10
	2010 Nissan Xterra S 4.0L Leaking pinion seal VIN: 5N1AN0NW9A Thanks for the reply's. Come to find out that the pinion bearing failed too so we wanted to be safe and do it right. We pulled the axle apart and did it according to all data. By the way the customer didn't want to take to the dealer.	4
	1991 Pontiac Trans Sport 3.1L no spark VIN: 1GMCU06DXM The old Pontiac now has spark. The problem turned out to be the tachometer module was grounded and prevented the IGNITION module from triggering the coil. Snipped wire to tach (white wire in vehicle harness to coil) and performed the module test wherein you "t...	13
	1995 Saab 900 SE 2.5L power steering Thanks for all the responces. I ended up putting a new power steering pump on. Found some play in old pump when the belt was removed. Talking to customer, he had driven about 100 miles before it leaked fluid out, and it was on a near 90 degree day. Since it se...	10
	2005 Saturn Vue 2.2L Stall VIN: 5GZCZ43D85 After leaving the vehicle with our shop not getting the problem to reoccur for 3 days the customer decided to pick it up. We checked in with her a few different times and the problem has not come back. Never found any known problem other than moving some engin... Trouble codes: P2138.	9
	1990 Toyota Cressida Luxury 3.0L wiring/vac/f VIN: JT2MX83E4L the info was great n finding nice schematics for this car and it worked great.sorry it took me this long as i had to find help n missing parts.amazing pics from tis AND ATM FELLAS.thanks to all on this one	3
	2001 Toyota Sequoia SR5 4.7L A/C Control Panel VIN: 5TDBT44A61 I rechecked voltages and grounds with the control panel hooked up and loaded. Still good. Panel still would not selftest and was nonresponsive. The powers and grounds all came through 1 (119 black)connector of the 4 connectors to the panel, so I disconnecte...	7
	2010 Volkswagen Jetta TDI 2.0L No Start VIN: 3VWRL7AJ8A vehicle was under warranty and VW had it towed to their repair facility. as soon as I get updated info from them I will update it on here Trouble codes: P0087.	6
	1972 Volvo 1800 ES 2.0L Excessive Emissions, Poor Idle Quality VIN: 1836354003 yes this old reminds me of[studebaker w/FI]volvo is running good thanks to all u members of atm.fuel pressure worked out after a couple fuel pumps w/right pressure and of course the ect hooked up.glad to see there still a few people out there w/knowledge of ol...	16

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