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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 30, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Buick Century Custom 3.1L No Start VIN: 1G4WS52J02
got a real hair puller here.i no I must be missing something.car came in 2 days ago on the hook.of coarse it started right up for me,drove in shop.check codes and only thing in there is p0463 fuel level circuit.gas gauge reading erratic also.gave him a estimat... Trouble codes: B2958 (p1626-), P1626 (p0463-), P0463
1998 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19X7W
The vehicle won't see the desired EGR value when we were doing EGR functional test. It shows the EGR actual value but not the desired value. We put a new EGR valve, we checked the wiring, wiring is ok. We have 5-bolt reference and the grounds are ok. We even r... Trouble codes: P0404
2005 Chevrolet Silverado 1500 5.3L MIL Lamp on, reduced power VIN: 1GCEK19B95
customer complaint of reduce power message comes on and he looses all acceleration. Customer will turn off vehicle and sometimes loosens gas cap to get the message off where he can drive again. Don't know what loosening the gas cap has anything to do with this... Trouble codes: P1516, U0107
2007 Chevrolet Trailblazer LT 4.2L Instrument Cluster VIN: 1GNDT13S67
When driving this vehicle down the road all the gages drop down to zero except the speedometer and the tack. The windows do not work, the locks also refuse to work, and then suddenly everything starts to work again. These are the codes that show up; U1000 ...
2007 Chevrolet Malibu LS 2.2L fuel guage VIN: 1G1ZS57F87
this vehicle was brought in by used car lot.when ign turned on speedometer needle quivers for about 4 seconds stops quivering and gas gauge goes to 3/4.turn key off to exit vehicle speedo needle quivers for a few seconds and stops quivering.they put a fuel sen...
2009 Chevrolet Aveo5 LS 1.6L Engine Control VIN: KL1TD66E19
This vehicle came to us with a failed engine. Replace the Engine with low mileage salvage yard unit. Vehicle will not idle or accelerate. We replaced the fuel pump for possible volume issue still not change. Inspected all of the engine harness, swapped old par...
2005 Ford Explorer XLS 4.0L tcc VIN: 1FMZU72K35
ok first of all not a trans guy by any means... local police vehicle & i do most of the work on them...scanned found p1744...test drove w/modis and watching tcc no rpm drop and duty cycle staying at 0 and even when duty cycle moves still no rpm drop and then o...
2011 Ford Expedition Limited 5.4L Electrical System VIN: 1FMJU2A56B
I was just given this vehicle to do a simple used car vehicle inspection. When i went to get it the battery was completely drained. Hooked up a jumper and the security light was flashing with a no turn over condition. Pushed it in and started a charging test. ...
2006 GMC Envoy Denali 5.3L #7 compression VIN: 1GKET63M76
This envoy came in with the customer concern of oil light coming on at times, ticking noise, and running rough. Got in vehicle and oil light was not on but it was misfiring. Checked Engine oil level and it was clean and full(customer is good about doing regula...
2007 Hyundai Santa Fe SE 3.3L interior ligts including dash VIN: 5NMSH13E67
flushed brake fluid. now dash/interior lights dim whenever brake pedal is pressed. replaced stoplight switch and problem remains
1997 Jeep Grand Cherokee Limited 5.2L Battery VIN: 1J4GZ78YXV
I have this jeep grand cherokee that has a 250 miliamp draw on the 40 amp blower motor fuse in the underhood fuse box. I have replaced blower motor and power module. We have atc .everyone shows a high blower relay but we cant seem to find it.we also tried cutt...
2002 Jeep Grand Cherokee Laredo 4.0L Rumbling Noise VIN: 1J4GW48S62
When driving in 4WD Part of Full-Time the Jeep will develop a rumbling noise that is quite loud and concerning. It is intermittent and will only start after shifting into 4WD and will continue after shifting back to 2WD. Sometimes it will go away quickly after...
2011 Jeep Grand Cherokee Laredo 3.6L No Start VIN: 1J4RR4GG6B
hello this jeep came in with an intermittent no start condition, a random misfire and a misfire on cylinder number 2 we could not duplicate the no start condition so we replaced all spark plugs and number 2 coil with dealer parts car ran great then it came bac... Trouble codes: P0300
2006 Kia Sorento EX 3.5L intake manifold VIN: KNDJC73396
Hey guys, need help from KIA techs or anyone that has done one or more of these trucks. For the life of me I can't get the intake manifold off because there are studs at the rear and front that do not let it come out enough to pull out, it hits the wiper cowl/...
2002 Land Rover Freelander S 2.5L Cuts out, Stall, MIL Lamp on VIN: SALNM22272
Vehicle came in unable to idle with a p0102 (maf sensor) maf sensor was replaced and now the vehicle starts up and idles fine. The problem is that at a cold start when you step on the brake pedal to shift into drive you actually hear a vacuum sound and the car... Trouble codes: P0102 (Maf sensor)
1985 Mercury Grand Marquis 5.0L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2MEBP95FXF
Hi everyone this one has thrown me for a loop car came in with no / poor idle I checked over the vacum system and changed broken or suspicious lines. I removed the fuel lines and the injection assembly and found leaking gaskets and the egr valve bad abd the eg...
2008 Nissan Quest SL 3.5L shift interlock solenoid VIN: 5N1BV28U98
need procedure to r&r shift interlock solenoid
2009 Nissan Versa S 1.8L MIL Lamp on VIN: 3N1BC11E69
Hello fellow Techs, This Nissan came to me with a code P0171 which is preventing it from passing insp. The customer has replaced the front a/f sensor / all fuel injectors / map sensor / all sparl plugs and coils and gave up and asked me to take a look. i took... Trouble codes: P0171 (fuel system too lean b1)
2001 Pontiac Aztek 3.4L Cooling fans VIN: 3G7DA03E81
Seconds after vehicle start fans are commanded on low, then high. Stay running on high for 5-10 mins, turn off, then back to high. Sometimes while driving they will turn off for several minutes, can't establish any pattern. Haven't seen any significant changes...
2006 Toyota Highlander Hybrid 3.3L Battery VIN: JTEEW21A36
Looking for a spec on the parasitic draw on this vehicle. We are getting .06 after 1 hour. Cannot find any listed specs for this
2004 Volkswagen Golf GLS 2.0L No Start, MIL Lamp on VIN: 9BWGL61J34
This car came in with a burnt engine harness by coil pack due to fuel leak. Replaced harness and sent computer in for repair. we had these codes before computer repair. Vehicle will start but difficult and has no throttle response. My Mitchell show main relay ... Trouble codes: P1579, P1517
2005 Volkswagen Beetle GLS 1.8L MIL Lamp on VIN: 3VWCD31Y15
VW Techs, I need a part number, or source for the camshaft reluctor wheel on this 2005 beetle. I have this 2005 beetle, which was setting a P1340 for the camshaft timing. I replace the chain, and tensioner, because the exhaust cam was off 1 tooth. It is still...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A4 Quattro 3.0L instrument cluster VIN: WAULT68EX4
This one is fixed. Turns out the car was missing the left rear fender liner. Muddy water entered the evap system and blocked off the charcoal canister, causing direct vacuum to tank. Once you drive the car for a long enough time the tank caves in and the fuel ...
2007 BMW X3 3.0si 3.0L starter VIN: WBXPC93457
The car is fixed,It ended up being a bad ews module.Little bit of a comedy of errors sort of thing.I forgot to mention that I attempted to realign the ews with my vedis,but for some reason when trying the scanner would not communicate in the realign node bu...
2009 BMW X5 xDrive35d 3.0L Excessive Emissions VIN: 5UXFF03529
Apparently the egr cooler gasket was blown causing air to get into the exhaust stream which drove the sensors nuts. Thanks to all who replied. Trouble codes: P20EE, P2201 (Nox Sensor Circut), P1515 (Unknown).
1976 Cadillac Eldorado 8.2L turn signal switch
Thanks for the late night advice. I just couldn't believe what a hassle this was. Several of you were dead on and some others not so much. The arm(metal, no sleeve) screwed in from the side. That was apparent. What I couldn't believe was that I had to scr...
2006 Chevrolet Silverado 1500 LT 5.3L Left Front Seat VIN: 2GCEC13T16
Many thanks to all tech who reply my post. Yes, the culprit is a burnt element on the driver side back cushion, the bottom seat element is still good, 3.7 ohms. Special thanks to Tom from California who explain in detail, how it works. Now the problem is solv...
2003 Dodge Neon SXT 2.0L Mechanical VIN: 1B3EG56C43
the people that said varrish on valves it on the money. took head off all intake valves were so bad had to beat them out. cleaned everything up . put it back together with all new seals runs great. thank
2007 Dodge Caliber SXT 1.8L No crank VIN: 1B3HB48C07
found broken wire from fuse #4 to ignition switch...thanks for the responses
1999 Ford Explorer Sport 4.0L Unknown VIN: 1FMYU22E0X
Apparently this trans will work in manual first with a bad band. Someone here said test drive in first gear, rev it up and let off the gas and it should hold back if it don't suspect band, well it don't it just feels like it coast down the road. did line press...
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P63
First of all, thank you everyone for the great help. Turns out that all 8 injectors were stuck at the solenoid shuttle level. Took them all apart, cleaned the shuttle valves and finally started. Trouble codes: P0670.
2008 Ford F-350 Super Duty XL 6.4L kam VIN: 1FTWW31R78
I could not repair this truck, not for lack of trying, I can tell you. I gave the computer 11 codes and then shut the truck off, after reconnecting all the components used to set the codes I restarted the truck and scanned for codes. Logically, if the KAM was ...
2009 Ford Crown Victoria Police Interceptor 4.6L Transmission VIN: 2FAHP71V69
First of all thanks for all the response. Finally made it back to this one and a good way to end a Friday at closing time. What is so strange to me it that regardless of how many time we drove car and was allowed to stall, shift erratic, never set a single tr...
2005 GMC Sierra 1500 SLE 5.3L actuators VIN: 2GTEK13T55
Finally found it. When i drilled the plastic welds off the HVAC case to get it open the drill hit one of the wires to the mode door actuator. Had continuity from module to actuator but 2 wires were shorted together which i did not check for. Fixed that and the...
2008 GMC Acadia SLT 3.6L MIL Lamp on VIN: 1GKER23768
Vacuum port lost cap. I initially went on shop owners assurance that a check for vacuum leaks was confirmed. I popped in his shop this morning to check something else I had a theory on and thought I could hear something from the front left that faces the fir... Trouble codes: 171 (174 -), 174 (testing and results).
2009 GMC Acadia SLT 3.6L Electronic VIN: 1GKER23DX9
Replaced brake pedal position sensor and recalibration through the BCM. No more DTC and brake lights operating properly. The EBCM receives the brake signal from the BCM.
2009 Jaguar XF Supercharged 4.2L Misfire VIN: SAJWA07C09
So this is not fixed yet, but I will likely have some closure by the end of next week. I did re-index the torque converter to the flywheel, no change in misfire codes (still 3&8). At the end of my rope, I was going to hire a mobile diagnostician to look at i... Trouble codes: P0303 (Misfire Cylinder 3), P0308 (Misfire Cylinder 8), P0300 (Random Multiple Misfire), P0316 (Misfire detected on start-up first 1000 revolutions).
2012 Mitsubishi Galant SE 2.4L noise VIN: 4A32B2FF5C
replaced harmonic balancer and this was the culprit and I would like to thank everyone who offered insight on this.
1996 Nissan Maxima GLE 3.0L vss VIN: JN1CA210XT
customer decided to replace trans with a used unit speedometer now works good
2003 Subaru Forester XS 2.5L viscous clutch VIN: JF1SG65663
sorry for the delay I wanted to make sure that it was fixed it turned out to be the clutch pack it the back of the transmission thank you for all the help and good luck
2007 Subaru Impreza 2.5i 2.5L Electronic VIN: JF1GD61607
The TCM did need to be programmed/flashed to the vehicle. Had to take it to the Subaru dealer to do so.
2007 Subaru Impreza 2.5i 2.5L Unknown VIN: JF1GD61607
First looked at ATF fluid and condition. Checked input data on scan tool looking at the vehicle speed sensor, torque converter turbine speed sensor (which matched the tachometer), looked at gear selection from transmission range switch, TPS sweep for proper r...
2007 Subaru Forester X 2.5L Unknown VIN: JF1SG65617
I greatly appreciate all of the responses. Most of you were right on. We removed the rear driveshaft and found both the front and rear u-joints were indeed stiff. A couple of you mentioned that you could replace the u-joints separately, but we searched and sea...
1996 Toyota 4Runner SR5 3.4L Steering VIN: JT3HN86R5T
Thank you to everyone for your help and especially Dan from Arizona who just went through this same thing! A number of you said ball joints and that was the major problem. This one is fixed! I started out by replacing the rack, which seemed to make it a little...
2006 Volkswagen Touareg 3.2L location VIN: WVGZG77L26
i would like to thank everyone who replied with helpful suggestions except for gearlic.the valve was located on the back of the engine in close contact with water hoses. my apologies to anyone except gearlic who thought this trivial. mike [...]
2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGAV75N99
Thanks for all the responses. This car was a challenging one. The low pressure fuel pump was the problem. after driving for longer periods of time the pressure would drop. However the high pressure pump read outs would never change and were always good. This i... Trouble codes: P119A, P0171.
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