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Prev Professional Automotive Repair Technical Discussions for January 5, 2015
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Help Request Answers
1986 BMW 524td 2.4L No Start VIN: WBADB2406G
need help from bmw specialist.This thing came into shop leaking diesel out the injection pump which I read is a common problem.We made sure since info is limited that we marked every gear and pump mounting so we could put back just like we took apart. We sent ...
2000 BMW 528i 2.8L Heater VIN: WBADM6344Y
Thanks in advance for help on this vehicle,it has no heat. It is at normal operating temperature.the hoses on the hot water valve and heater core are cold.there is no power at the water valve,wich i read is norrmal in the heat mode. The auxiliary water pump ha...
1993 Buick LeSabre Custom 3.8L Excessive Emissions, Stall, Poor Fuel Economy VIN: 1G4HP53L6P
The runs good,but got a SES light and it went off,no hard codes,but four codes in the history,tried all items in the repair history and no difference,did find an issue in the live data pid that the ecm has no internal voltage(no battery voltage or charging vol... Trouble codes: 44 (lean condition indicated), 45 (rich condition indicated), 42 (esc circuit fault), 38 (tcc input voltage)
2005 Cadillac Escalade 6.0L 2-3 shift VIN: 1GYEK63N05
Hello Techs, I have this Escalade That belongs to a good customer of mine and I am not up on transmissions. The truck drives good in 1st and 2nd but when shifting to 3rd it slips and does not want to engage unless you baby the throttle. The first problem was a...
2003 Chevrolet Astro 4.3L gear indicator VIN: 1GNDM19X73
got a doozie here. vehicle came in and reverse lights wern't working when in reverse. also when going through the gears when i put vehicle in neutral the gear indicator on the cluster would read that im in park. i checked on my computer and same thing. i would...
2003 Chevrolet Silverado 1500 5.3L Starting VIN: 2GCEK19T43
it says UNKNOWN DRIVER in the information window. it starts up and dies. Had no communication at the BCM and installed new BCM and now have communication at the BCM. But still says UNKNOWN DRIVER and still wont stay running. Had code p1626 so replaced passlock...
1991 Dodge B250 3.9L Brake lights VIN: 2B7HB21X7M
I have 12 volts at brake switch. I run a signal from bulb back through to the front and the problem is around the dash. I have park lights and revers lights, got flasher. My question is does the brake light signal go through the flasher switch? All data is vag...
2004 Dodge Dakota Sport 4.7L Lr Stop And Turn Lights VIN: 1D7HG38N34
Customer dropped truck off for service,and asked if i could make sure to replace the left rear turn signal bulb because it was flashing fast,and the front turn signal was lighting.after replacing bulb,i was surprised to find that left rear still was not lighti...
2002 Ford Explorer XLT 4.0L Timing Chain Guide VIN: 1FMZU63E52
Engine has very slight rattle on cold start up. Goes away when warm. Pulled lower oil pan and found pieces of a timing chain tensioner. There is a flat spring (now in 3 pieces) that is 1/2 inch wide and approx. 4 inches long. Also a rounded end piece of nylon....
2002 Ford Explorer XLS 4.0L High RPM on highway VIN: 1FMZU72E92
Customer complains of high RPM at freeway speeds like it will not go into 4th gear. This is the third time in the shop for the same problem and we can not duplicate it. Only code we have is P1121 that I do not think I have ever seen on any vehicle. MAF and TPS... Trouble codes: P1121 (TPS inconsistant with MAF)
2003 Ford Explorer Sport Trac XLS 4.0L Engine misfire VIN: 1FMZU77E03
Hello all you Ford pros. This has been driving us a bit nuts and I'm not sure what I could be missing. At idle the engine misses on #4 cylinder. All systems appear to be ok. There are no stored codes. We removed the injectors and checked spray pattern and numb...
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P63
Vehicle is a 6.0 diesel. Towed in with a no start. FICM showed low voltage. Tried two different FICM's . Voltage showing 48.5 volts with almost no drop on cranking. FICM sync is good. When cranking, the desired and actual fuel pressure is 1830 PSI. Will start... Trouble codes: P0670
2004 Ford F-350 Super Duty King Ranch 6.0L No Start VIN: 1FTWW33P04
while cranking ipr is commanded 85 percent, icp is only 25 psi. crank case is normal oil level. not a lot of experience with diesels. what is my next step. I thought about installing ipr valve. need help. thx Trouble codes: P2291
2005 Ford Ranger Edge 4.0L fuel pump VIN: 1FTYR15E85
vehicle came with no start. vehicle started pulled in to the shop and stalled. has p0232 fuel pump high circuit code. has new fuel pump and filter in it. now vehicle wont stall. checked inertia switch and relay good, also has 70 psi of fuel pressure.
2012 Ford Focus SEL 2.0L fuel tank VIN: 1FAHP3H23C
Car came in with complaint of gas pump shutting off while refilling vehicle. Performed TSB about cleaning vent hose from EVAP canister. It was dirty but did not help. I have unhooked vent hose from the fuel tank to the canister and from the tank to the filler ...
2003 Honda Pilot EX 3.5L heat VIN: 2HKYF18593
cooling system very dirty flushed cooling system block radiator heater cores changed thermostat and heater control valve refilled cooling system no heat warm only red online they are hard to purge air from sytem ran for hours drove approx 50 miles i have heat ...
2002 Jeep Liberty Limited 3.7L Heater VIN: 1J4GL58K02
Vehicle came in with a no heat issue. After checking the system, i noticed that the heat was luke warm at idle.driving vehicle the heat would go almost cold. Back flushed heater core and flushed heater lines. Seemed to have good flow. Replaced radiator because...
2007 Jeep Grand Cherokee Laredo 4.7L Abs Module VIN: 1J8HS48P57
My customer says when his wife enters his driveway. The brake pedal will fade and recover quickly.To enter the driveway there is a dip a turn and up a incline and she does this at fairly good speed.I have inspected the brake system and have found nothing.I can...
2007 Lexus LS460 4.6L Auto Temp Control VIN: JTHBL46F87
Hello All, We have 2007 LS 460 with an HVAC concern. When the temperature is set in the automatic position the temperature will remain until the vehicle is parked for several hours and / or parked overnight. After parking several hours the auto temp will reset...
2004 Mazda Miata 1.8L 4th and reverse gear VIN: JM1NB353X4
Car came into shop with trans related noise customer diagnosis was a bad throw out bearing.Tech test drove and confirmed clutch related noise.Removed transmission and found pilot bearing frozen. Replaced bearing and installed new clutch kit reassembled and wil...
2005 Mercedes-Benz CL55 AMG 5.5L power window VIN: WDBPJ74J25
Battery went dead-trickle charged-rh power window will not reset code-code says k1.30b terminal low or no power. Live data rear window switches show operation but front master switch does not...all fuses good-where is the relay/circuit,need a wiring diagram fo...
2012 Ram 2500 SLT 6.7L head gasket VIN: 3C6VD5GL8C
Truck will start to overheat and eventually the thermostat will open up and drop the temp down to normal. System seems to be building a lot of pressure also. I moved the truck maybe 25 yards and when i released the pressure on the cooling system it all shot in...
2008 Saturn Sky Red Line 2.0L Hot to cold temp VIN: 1G8MG35X98
Looking for some help: Vehicle runs great, has no codes or lights on. Replaced electric cooling fan assembly this summer due to cooling issue. Had car at GM dealer for ignition recall and had them look at the temp dial, when it is on cold you get full cool air...
2007 Volkswagen Touareg 3.6L Misfire, MIL Lamp on VIN: WVGZE77L57
VW Techs. Vehicle was brought in by the owner, he said it was diagnosed by the dealership as timing chain stretched or guide rail has failed and causing the camshaft position code. Ran the basic tests and am not able to determine that the failure is the chain ... Trouble codes: P0341 (camshaft position sensor), P0088 (Fuel rail/system pressure too high), P0300 (Multiple cylinder misfires), P0306 (Cyl. 6 misfire), P0302 (Cyl. 2 misfire), P0304 (Cyl. 4 misfire)
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGAV75N99
Hi need some help from the VW techs. This car came in 2500 miles ago with a lean code 00369. Found crank case pressure valve on top of valve cover bad hand no vacuum in crank case and had vacuum leak from valve. Smoke tested and found no more leaks. The car is... Trouble codes: P119A, P0171

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Audi A4 2.8L Backfires out intake VIN: WAUED28D3W
I received a lot of helpful information. The next step on this car will be to pull the heads and have the heads checked out. This will probably sit in the lot for a while until I get a few other cars finished. I will follow up on this after I get the car r...
2011 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GC1KXEG7B
Sorry for the delay, I replaced the crankshaft sensor with a GM sensor and re-performed the sensor relearn. So far the vehicle has not returned, however this issue was VERY intermittent. I did note that while monitoring live misfire data on the test drive the ... Trouble codes: P0300 (random misfire detected).
2014 Dodge Durango R/T 5.7L coat hook VIN: 2014D0DGED
Thanks to those who responded quickly. Just could not accept the idea I had to destroy the hook a replace it with a new one. Drilled a hole up threw it and there was the screw, what a waste. Dealer will have two new ones in the AM. Thanks again to all.
2012 Ford Expedition Limited 5.4L Transmission VIN: 1FMJU2A55C
Thank you to all who replied. The fix turned out to be the lead assembly in the transmission. The lead assembly was not covered under the service bulletin or recall which had it replaced for reverse light issues. Thanks to my local Dealers Brett Bedford and Mi...
2008 Infiniti QX56 5.6L No Start VIN: 5N3AA08C18
We got the vehicle to act up again and found no power from the ignition relay in the ipdm. had power supply, ground and signal at relay but no power from ipdm. unhooked cranksensor and it came right back (still not sure why)replaced module and haven't had prob...
2003 Jaguar XK8 4.2L DSC System Fault VIN: SAJDA41C33
I want to thank you all for your help. I only had time to clean the wheel sped sensors which did not fix the problem. Got in touch with both identifix and autologic customer support and was told yaw rate sensor must be calibrated after replacement. Unfortunat...
1995 Jeep Cherokee Country 4.0L Mechanical VIN: 1J4FJ78S2S
Thank you to everyone who replied. After double checking my charge in the system I had the vehicle running with the pressure oscillating between 350 and 400 when [...] in the shop. I tapped a few times on the expansion valve and a few seconds later, it st...
2005 Jeep Grand Cherokee Laredo 4.7L No Start VIN: 1J4HS48N55
Thanks to all who replied.The module is located on the key/lock cylinder & I was missing it because it was on the top of the assembly. The fix was the electrical switch for the ignition. Once again the info here was invaluable! Trouble codes: U0168, P0513, B1A25, B1A35.
2007 Jeep Wrangler Unlimited X 3.8L door locks VIN: 1J4GB39157
I decided go by the process of elimination so first I asked my customer to keep the battery removed from the key fob for a couple of days and see if problem reoccur and a week later call the customer and confirm that the problem had gone away, also tried with...
1998 Mazda MPV ES 3.0L Door lock VIN: JM3LV5230W
Thanks to all who replied. My Tech was puling his hair out trying to figure out how to get the door open to repair it. Michael from BC nailed it. Broken spring on the latch. Here is some info to hopefully help the next guy (or gal). We removed the drivers...
2007 Mercedes-Benz E320 Bluetec 3.0L Excessive Emissions, MIL Lamp on VIN: WDBUF22X87
Thanks everyone for all the info found the problem it was the front egr pipe that was restricted after removing the egr cooler that was buried underneath intake it was clean ,again thank everyone HAPPY NEW YEAR! Trouble codes: P2355.
2006 Pontiac G6 GTP 3.9L Reverse VIN: 1G2ZM15196
Thank you for your help this car is gone and fix, as some of you said to check the shifter; this car has safety solenoid under the shifter lever, the driver has to put the car in reverse before turn the car off to remove the key, but the customer just bu...
2003 Subaru Baja 2.5L No Start VIN: 4S4BT61C03
Thanks to all 7 people that replied. You were all basically right. The drivers side cam gear is different between years. The original 03 Baja has 4 groups of notches on the back side that the cam sensor reads. The 04 legacy motor's gear only had 2 groups of no...
2007 Suzuki SX4 2.0L Unknown VIN: JS2YB41317
I got this one fixed, when I unplugged the trans module everything come back online. Started checking wires between the ECM & TCM and found the red pin 52 wire chaffed through and was grounded out. Everything is good now. Worst part of this car is information....
2004 Volkswagen Jetta TDI 1.9L many VIN: WVWSR21J04
Thanks gentlefolks for your help. This vehicle is fixed. It got another used CCM, used ABS module and pump with ESP (hard to find), used airbag module, used glow plug relay. It must have been the welding that caused the grief. I normally weld with the batte...
2013 Volkswagen Golf 2.5L rack & pinion VIN: WVWDB7AJ6D
just want to say thanks for the help , found power feed wire had been cut under fusebox at body shop,repaired wire now have power and ground but electronic steering module was shorted out, New Rack ordered .
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