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Prev Professional Automotive Repair Technical Discussions for July 15, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW X3 3.0si 3.0L Flapping Noise VIN: WBXPC93407
Hello everyone and thanks for the input on this one. I have this 2007 BMW X3 that came in with an odd "flapping" noise from under the hood when the vehicle is in motion and gets to about 23 seems to increase as you speed up but its quite constant and o...
2001 Chevrolet Silverado 1500 5.3L knock sensor VIN: 2GCEK19T51
this past Saturday a friend of mine asked me to install two new knock sensors in his 01 Silverado 5.3. knowing that these harnesses fall apart if you cough too hard on them I told him to get that as well. after repair the truck has a intermittent hard start li...
2001 Chevrolet Express 2500 5.7L No Start VIN: 1GCGG25R41
This vehicle has a crank but no start condition. It has good spark and verified timing at distributor cap. Also checked timing with timing light. Good fuel pressure (61psi). Checked injector pulse and fuel injector pressure drop at each injector. Tried removin...
2002 Chevrolet Suburban 1500 LT 5.3L blend door actuator VIN: 1GNFK16Z52
Customer brings in his 2002 Suburban with complaints of it being stuck on full hot. I suspected the blend door actuator, and replaced it. However I did not bolt the new one down. I just plugged it in, and held the actuator up by hand for testing. I'm getting r...
2004 Chevrolet Trailblazer LS 4.2L compressor VIN: 1GNDT13S94
I have no ac clutch engagement,had po530 [pressure switch,installed new dealer part].All pressures are at specs,the ac switch lights up when applied.I can plug relay tester in ac clutch relay with out pluging tester to battery and clutch ingages and cools grea...
2004 Chevrolet Tahoe LS 5.3L Battery VIN: 1GNEK13Z84
This vehicle has a parasitic draw. This first and most easily remedied is the radio, which is drawing about 2 amps at all times. My primary question is this: How long should the BCM be drawing any amount of current? I tend to follow the 50 milliamp maximum...
2005 Chevrolet Silverado 1500 4.8L none VIN: 1GCEC14VX5
found no injector pulse truck will start if carb sprayed in throttle body, fuel press, is 60 psi koeo truck will start sometimes no problem four a minute or two and then dies and it wont start again checked fuses ok,no security codes owner replaced krank senso...
2008 Chevrolet HHR SS 2.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 3GNCA63X98
Customer came in with check engine light on and engine surging only at idle from 700-1000 rpms. Said it was almost dieing at stop lights. I found engine was very noisey, rattles when started. Loud rattles go away in 1-2 minutes. But engine still has some rattl... Trouble codes: P0016 (Ckp to cmp correlation problem), P0089 (Fuel pressure regulator performance)
1988 Dodge D150 5.2L Poor Idle Quality, Surge VIN: 1B7HD14YXJ
Customer does his own (light) repair. Has new plugs, wires, cap, rotor. I removed all of them, inspected and regapped plugs to .035, they were at about .020. Verified firing order too. He had us replace his fuel filter the day before I got this truck. After my...
2003 Dodge Ram 2500 5.9L transmission/pcm VIN: 3D7KU28C73
I am not sure what I might have missed, any help would be greatly appreciated.
1987 Ford F-150 Custom 5.0L No Start, Cuts out VIN: 1FTEF14N3H
Hello guys so I had this truck in a week or so ago in the for fuel problem. Fix that now customers back trucks back fireing lost of powerran test codes its hard to start if I pump the gas truck will star and runs ruff this truck has the qireing ... Trouble codes: 12 (16 -), 16 (25 -), 25 (23 -), 23
1999 Ford Escort LX 2.0L MIL Lamp on VIN: 1FAFP10P0X
This 2.0 is a split port.It doesn't have A VCT solenoid Im I looking at a bad computer or has some one installed the wrong one. The code comes on as soon as you switch it on.Dont believe engine has been changed. Don't see any wires that would be going to a VCT... Trouble codes: P1380 (Variable Cam Timing Solenoid A Circuit Condition), P0340
2004 Ford Expedition XLT 5.4L Evap Sensor VIN: 1FMPU15L84
The A/C compressor does not engage. Replace the evaporator temperature sensor and it will work fine for few weeks to a few minutes. Replaced the wiring harness from under hood to the sensor itself. This is a retrofit kit that ford used to fix a freezing evapor...
2008 Ford F-450 Super Duty XLT 6.4L A/C compressor VIN: 1FD4X47R68
a/c is inop. Check a/c pressures and it has enough freon to engage a/c. No codes related to a/c operation. I pulled a/c relay out and jumped the terminals to engage a/c manually. A/c compressor engages and works good. Checked power and ground to low current si...
2004 GMC Savana 3500 6.0L Overdrive Sprag VIN: 1GDJG31U14
This truck has come back 2 times since original rebuild. Overdrive sprag is overheating and the sprag is overrunning causing a no reverse and no move in OD condition. We replaced original drum with aftermarket. The reason we changed the drum originally was du...
2004 GMC Sierra 2500 SLE 6.0L Engine VIN: 1GTHK29U74
Greetings. I have this customers 6.0 gas with a vibration. It is very noticeable and customer states it has gotten worse over the past year. At idle in park or neutral it is there and even worse at approx 1000 rpm. It feels almost like a miss but no misfire co...
1993 Honda Accord LX 2.2L srs light VIN: 1HGCB7653P
customer failed safety inspection because srs light didn't come on when ignition turned on. found bulb in cluster crushed like someone tried to pull bulb out of socket with pliers and broke it. replaced bulb and srs light stays on. went through the test sequen...
1997 Honda Accord LX 2.2L compressor VIN: 1HGCD5633V
This car came in with a locked up ac compressor.After replacing the compressor,drier & expansion valve I charged the ac. I started the car & the compressor would not engage.I tried a new thermostat & relay.Still would not come on.I am lost,help please! Thanks,...
2001 Honda Odyssey EX 3.5L TCS Relay VIN: 2HKRL18681
Costumer brought us the car with ABS, BRAKE, and TCS indicators all on. When scanning the car with HDS there were multiple TCS system DTCs. The codes were cleared and as soon as the car was turned back on all lights came back on. After scanning again the TCS D...
2004 Honda Element EX 2.4L rear brakes drag VIN: 5J6YH27584
replaced brake pads about 3 months ago no problems. last week customer returned complaint left rear brake dragging after 20-30 mins drive. confirmed open bleeder slight pressure wheel turns free. checked caliper piston no problem retracting. replaced both rear...
2004 Honda Civic DX 1.7L No Start VIN: 2HGES16434
Hello,I have determined that this car needs another ecm,my question is ,can I install a used computer on this? Since I have never installed a used computer on this year of honda civic before, Im not sure if is worthwhile to do just because Im trying to help a ...
2003 Hyundai Santa Fe GLS 3.5L No Start VIN: KM8SC73T83
Cranks but no start. Checked for injector pulse - good. Checked for spark - no good. Changed crank sensor - still no spark. Checked spark plugs - worn out and fuel saturated. Changed spark plugs and wires - still no start. Found engine would crank irregularly ...
2005 Land Rover LR3 SE 4.4L Starter VIN: SALAD25475
While driving the door locks will cycle, the climate control drops out, then the radio/nav goes off. The hazard light begin to flash on the outside only. No indicator on the dash. The car will continue to run well and the charging voltage is at 13.95V. If you ...
2001 Lincoln LS 3.0L Hydraulic Coolant Fan VIN: 1LNHM86S31
Vehicle came in for an overheating condition, mostly when driving with the a/c system on... Checked coolant system and found the hydraulic coolant fan motor not producing enough speed and coolant fan wobbel.. Replaced the hydraulic oolant fan & motor assembly ...
2004 Mazda 3 S 2.3L speedometer VIN: JM1BK14314
This is the same Mazda 3 i have been working on, got the used pcm reflashed and 2 keys programmed, never did get the vin # flashed into used pcm, don't know if i didn't do something right or what. My main problem now is no speedometer. Any ideas would be great...
2004 Mercedes-Benz S500 4Matic 5.0L Airbags VIN: WDBNG84J34
SRS light is on, Snap-On scanner shows code 9077 - "VINs in SRS module and EIS module are not identical." Code clears but comes back on right away. I'm not familiar with this system, and neither my scanner nor AllData are shedding any light. Is there anything ...
2004 Mercedes-Benz C230 Kompressor 1.8L Cruise Control VIN: WDBRF40J24
C-class with no cruise control. No Codes. I verified the cruise control switch is operational - Actual values ok in SCM and ME. SCN coded ME & Tried a different set of wheels and tires but still no cruise. EZS is coded to reflect a manual transmission. No othe...
2006 Mercedes-Benz CLS55 AMG 5.5L No Start VIN: WDDDJ76X46
Bad fuel pump relay again. Melted ground wire to pigtail. Has anybody ever replaced wiring harness to fuel pump relays or pigtail?? Any help appreciated! Thanks!
2009 Saab 9-5 2.3t 2.3L Radio VIN: YS3ED49GX9
I'm trying to replace the radio/ cd changer head unit due to cd changer failure. On the older 9.5's I have always reprogrammed the VIN in Dice to the VIN of the donor car to divorce the replacement unit and then reprogram back to the original VIN to marry in t...
2007 Subaru Impreza Outback Sport 2.5L Unknown VIN: JF1GG63627
Hi group now the customer is back with the complain of a vibration in the drive train.which they didn't had before!!! i replaced the whole clutch with new parts from carquest.i could'nt confirm the issue first because i drove not long enough, the vehicle needs...
2003 Toyota Avalon XL 3.0L abs VIN: 4T1BF28BX3
replaced right front wheel speed sensor due to code 31, then replaced right rear due to code 35 scoped other sensors , I tried to clear codes by jumping tc and cg terminals in dlc 3. shows normal code flashing 2 times a second continuously turned off key remov...
2006 Toyota Tacoma 4.0L No Start VIN: 5TELU42N56
Customer complaint was an intermintent no start. It would just crank, and he would turn key off then back on and usually starts. It also sometime dies after you start the truck and put it in gear and start to move then it will die. If you do not turn key off a... Trouble codes: B2799 (engine immobileizer system)
2009 Toyota Camry XLE 2.4L Misfire, MIL Lamp on VIN: 4T1BE46K39
09 camry 2.4 litter,valve job was done to repair valve steam seals[burning oil].Vehicle did not have any problem before repair.We now have code p0300 random cyl. misfire,it feels like tigh valves,all cylinders are affected.This is not a dead miss.cranking comp... Trouble codes: P0300
2011 Toyota RAV4 2.5L MIL Lamp on VIN: 2T3BF4DV5B
Hi Toyota techs. i need your help on this one. This rav 4 keeps setting a p0138. customer bought vehicle from auction so i have no other repair history other that customer changed b1s2 before he broughtvehicle to me. the upstream AFS reads pretty steady around... Trouble codes: P0138
1974 Volkswagen Beetle 1.6L Wiring VIN: 1332558666
Thank you in advance for any help with this. I have a 1974 beetle in my bay that the customer hooked a new battery up backwards in. Subsequntly, the wiring going from the rear of the passenger compartment to the engine was melted, with various wires melting to...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A6 Quattro 3.2L Compressor VIN: WAUDG74F75
2000 BMW 323Ci 2.5L Right Window VIN: WBABM3345Y
Thank you to all who took their time to respond to this. Several said window may be binding. This car does not have pressure sensitive reversing function. You can stall all windows with your hand and they will not reverse. Sorry for the child's head. So t...
2006 BMW 525i 3.0L steering lock VIN: WBANE53546
steering lock fixed it. had to do some other stuff with the autologic to get it to come on line but all is now well. thanks for all the replies.
2006 BMW 325i 3.0L water pump VIN: WBAVB13576
Thank you all for the help. Yes I used a BMW Pump and proper coolant. Yes after filling with an air lift and manual venting I ran the venting routine twice. Seems although I cleared the code in fact the code didn't clear. I re cleared the codes and it has come...
1992 Cadillac Seville 4.9L ride control, traction disabled VIN: 1G6KY53B9N
Thanks for all the replies.. I was waiting for the car to return so I could hopefully post the fix but it hasnt come back yet. I learned about the IPC override function.. I was going to put the original cluster back in and check the 3 digit code and use the IP...
1995 Chevrolet S10 2.2L no reverse VIN: 1GCCS1447S
Evening of July 15 and this is to be closed by July 17. This transmission has given me a lot of trouble,the original problem was no reverse input clutch was out.After a rebuild I put it in all gears without moving it off of lift and all the gears engaged li...
2005 Ford Focus ZX4 2.0L Turn Signals/Brake Lights VIN: 1FAFP34N95
This one is fixed and out the door. As I've mentioned before this business can really humble a person at times. Several replies mentioned checking the fuses first which is what I thought I'd done when the car first came in. Once I started checking for power, e...
1996 Honda Accord LX 2.2L door locks VIN: 1HGCD7231T
The door lock actuators were failing but customer declined to have them replaced.
1997 Honda Accord SE 2.2L compression VIN: 1HGCD5605V
Thank you to all who offered help. As stated by a majority it was stuck rings. The day I R /R the valve cover gasket it was raining the engine cooled and the rings stuck when it flooded as I attempted to start the car. I squirted a little oil in each cylinder ...
2005 Mercedes-Benz SL500 5.0L Vario Roof VIN: WDBSK75F95
Thank you all for those took their time helping on this post. Received a replacement Vario hydraulic pump from the dealership in a sealed box, all functions works as it was designed including roll bar. And no there were no leaks at all anywhere. Oh and yes the...
1993 Mitsubishi Fuso FH FH100 5.0L brakes
well. like all weird problem the solution was simple,after flushing the brake fluid out twice, the problem went away,suggesting that one or more brake lines were getting clogged with residual dirt inside the lines, that is it.thank you again for your help.
2007 Saab 9-3 Aero 2.8L ecm VIN: YS3FH46U97
IT'S FIXED! Ecm fixed it. As you fellow experts said the 06 ecm will not work AND you need to "divorce" the donor ecm. I received two from Goldwing and neither would program due to the donor ecm having newer software. When I tried to SPS the used module it...
2006 Volvo V70 2.4 2.4L blower fan VIN: YV1SW61226
replaced blower motor and controller and performed ccm upgrade. problem no longer present. thank you for the responses.
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