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Prev Professional Automotive Repair Technical Discussions for June 26, 2013
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Help Request Answers
2000 Audi A6 Quattro 2.8L ABS/Bleeding VIN: WAUEH24BXY
Replaced front calipers/rotors/flexible lines and bled system with oodles of brake fluid. Flexible lines were cracked and rotors contaminated with CV grease and rust. Activated pump with VCDS but could not get effective braking. Now ABS light is on and brake l...
2002 BMW 525i 2.5L MIL Lamp on VIN: WBADT43402
Hi eveybody: I work on bmws regularly. this is the first time i encounter this situation. when driving the car for a period of time either highway or city, the traction simbol apears and the message " engine failsafe mode" at the cluster display. the codes p15... Trouble codes: P1500, 76, (118)
2003 BMW X5 4.4i 4.4L door locks VIN: 5UXFB33563
Hello fellow techs, your help would be greatly appreciated. i have this X5 towed to the shops customer says key fob stop working 6 months ago and the central locking button inside next to shifter has never worked. problem is the lock cylinder or latch in the ...
2004 Cadillac SRX 3.6L clunking VIN: 1GYDE63784
makes a loud popping noise when you turn or under a heavy load. when you hold the brake and accelerate then slowly letting go of the brake it makes the noise. i took the transfer case apart everything looks good it did have mild metal particals. but the chain ...
1967 Chevrolet Impala 5.3L don't know VIN: N0TAVA1LBL
Trying to help out a good customer with this old ride. After collapsing the four piston calipers and doing a standard brake job there is no pedal. We centered the combination valve and proceeded to bleed, but cannot get a pedal. We thought the brake lines may ...
1999 Chevrolet K1500 Suburban 5.7L No Start VIN: 3GNFK16R8X
This vehicle came in for a no start, I check for spark at coil spark ok, check for spark at plugs spark ok. Check for fuel pressure 65psi and 60 cranking. Check for injector pulse, pulse ok and power feed wire ok. Check vacuum while cranking has some vacuum. R...
2002 Chevrolet Express 3500 5.7L Misfire VIN: 1GBJG31R32
Hey guys i have p0300 then codes for misfire cylinders 5,7 8 i pulled plugs all black carbon compression in 5,7 go to 150 then after it leaks right to 0 trying to get at 8 now any suggestions? thank you Trouble codes: 300 (Mifire)
2003 Chevrolet Silverado 1500 5.3L door switches VIN: 1GCEK19TX3
Left door module is totally inop: no locks, windows, mirror control. Replaced twice with salvage yard units. Noticed that these have a microprocessor below the switches, and am wondering if this needs to be VIN flashed to the truck...Have power and ground to t...
2008 Chrysler Town & Country (Van) Touring 3.8L brake pedal too high VIN: 2A8HR54PX8
Good morning. The van came a few weeks ago, customer complaint was shaking and down on power. We found the brake pedal extremely high, replaced master cylinder, seemed ok for 2 weeks, did it again. If I coast down a slight grade in drive, it doesn't pick up an...
2002 Dodge Durango Sport 4.7L brake lamps VIN: 1B4HS38N92
Customer got pulled over for no brake lights,they checked bulbs and fuses to save from being charged for something simple.all were good,and that's as far as they wanted to go,so it came to me.first thing i did was get under dash to teast the brake light switch...
2006 Dodge Durango Adventurer 4.7L Door seals? VIN: 1D4HB48N56
This truck has a buzzing noise that you can hear when driving at speeds above 30mph.It only makes the noise when the temp is hot outside.The noise is up front & on the left side.Any clues? Thanks,Bill
2008 Dodge Grand Caravan SE 3.3L prndl indicator
Hi group, this Gran caravan have an intermittent park neutral switch contact. sometime the PARK indicator don t come ON,and mhen this problem is present it is impossible to take off the igition key, i suspect the neutral switch, but the shift cable is very rus...
2008 Dodge Ram 2500 Truck SLT 6.7L 5th VIN: 3D7KS28AX8
Need help from 6.7/68RFE Dodge experts. This Dodge with 6.7 cummins and 6 speed automatic shifts fine at first take off cold. After about 1/2 to a mile it will start to slip and drop out of 5th. It will do it with steady throttle, but more quickly with some th...
2009 Dodge Charger SE 5.7L Engine/valvetrain VIN: 2B3KA43T19
Vehicle came in with complaint of engine noise and fear of needing engine replacement. Idling, the engine makes a loud tapping/clicking noise. Using a stethescope, the noise can be heard loudest at the intake manifold, indicating a possible problem with one or...
1994 Ford Ranger STX 2.3L DPFE sensor VIN: 1FTCR10A5R
Hello everyone! Another head-scratcher here, as we have been trying to repair this truck for about a month now without success. It has a code 327; dpfe sensor low signal as a code. We have replaced the sensor twice, the EGR valve once, and have also checked al...
1996 Ford F-250 Eddie Bauer 5.8L wiring VIN: 1FTHF26H7T
The wiring got ripped out of the wiring harness going to the transmission. At the 16 pin connector on the left fender well ther are 3 brown with orange wires. I am looking for connector end views to id these wires. On the wiring diagram thru shop key I only se...
1999 Ford Expedition Eddie Bauer 4.6L Misfire VIN: 1FMRU1768X
original tps low volts . no other problem. traced to ecm . replaced and had reprogrammed(by a outside source). now dead misfires on cylinders 4,5,6and 8. has plug wires, not coil on plug. has spark and injector pulse. could a bad programming do this. any other...
2001 Ford F-250 Super Duty Lariat 6.8L reverse VIN: 1FTNX21S31
Customer complaint truck has no reverse. Upon scanning found po782 for 2-3 shift error. Mitchell is directing me to use a ford trans tester which I don't have, just an old brick. I think it is an electrical issue since the foward gears seem to work. With the s...
2001 Ford F-150 XL 5.4L Fluid Pressure VIN: 1FTPF18L21
After driving the truck approximately 50 miles, the brakes will start so seize and get worse and worse. The next step in our attempt to eliminate this problem is to replace the calipers, which seems fairly obvious at this point, but I wanted to ask around with...
2002 Ford F-350 Super Duty Lariat 7.3L Stall VIN: 1FTSW31F92
i will start out by saying i dont know much about deisel but thought with some help here on iatn, i would give it a shot, this truck stalls when hot restsrts about 15-30 minutes later, never has a low power complaint, when it got here first thing i saw the was... Trouble codes: P1211, P0476, P0340
2006 Ford Focus ZX4 2.0L turn and brake lights VIN: 1FAFP34N86
I had a simi sharp customer diagnose his in-op turn signals and brake lights as a bad body (gem) module. He replaced it with a used one and still no work so I got it. This is such a simple system that all is required to do is check in-puts and battery positive...
2001 GMC Sonoma SLS 4.3L MIL Lamp on, Mystery Misfire VIN: 1GTDT13W11
First the history. Lower intake lets go, customer takes to a friend who does the job, who does it right, changes the oil, takes it for a spin, now it has a crank sensor code, after the second sensor we get it. Take it out, it is scratched by the reluctor. We g... Trouble codes: P0300 (Misfire detected), P0304 (Misfire cyl 4)
2006 Honda Civic EX 1.8L Throttle body VIN: 1HGFA16886
This car has got me going for a loop! So a while back it came in with an erractic idle. Checked for leaks.. none found.. cust wanted 150k service... replaced PCV adjusted valves and also replaced AFR sensor and [...]. the erractic idle is still there! now...
2004 Hyundai Santa Fe GLS 3.5L Pcm VIN: KM8SB73E14
Vehicule came in for an intermitent no start, we originaly tought about the crank sensor so i plugged the oscilloscope and the trace we got was good until it stoped starting. But after furter inspection here is a description of what is wrong: Everytime you op...
2007 Hyundai Sonata GLS 2.4L Cuts out VIN: 5NPET46CX7
While driving under load and on acceleration intermittantly cuts out for a split second. No codes stored. Nothing shows up on scanner while graphing. Feels like someone shut the key off for a split second. At first it seemed to be at the shift points 1-2nd shi...
2005 Infiniti G35 3.5L MIL Lamp on VIN: JNKCV54E05
Hey all you infinity guys i got another problem with one. This came in for smog but has the mil light on. codes p0011, p0021, and p0021. Exhaust cams are reading -15 and intake are reading +34 degrees. I checked both actuators and they work. All the cam sensor... Trouble codes: P0011, P0021, P0014
2003 Lotus Esprit V8 3.5L Starting VIN: SCCDC08283
WELL THIS VEHICLE IS VERY HARD TO FIND INFORMATION ON. When you go to start after it sits 5 min it wont start unless I create a vacume leak indicating its running rich as hell. Pulled and changed plugs blacer then black confirming the running rich issue. three...
1985 Mercedes-Benz 500SEL 5.0L No Start, Cuts out VIN: WDBCA3704F
Hey all you euro guys. I have this mercedes that we replaced the fuel pump and filter on. now it starts when cold but while its warming up it stalls and the fuel pressure drops to 40 psi. It only has 1 fuel pump on this model. I suspect it could be a problem w...
2003 Mercedes-Benz SL500 5.0L Vario Roof VIN: WDBSK75F93
Would much appreciate any help from any MB experts here, I've only recently started to really get in depth into Mercedes and am a little lost on this SL. New customer just bought the car, came in for airbag light and suspension issues with ABC system. We chang...
2001 Mercury Grand Marquis GS 4.6L dome light VIN: 2MEFM74W81
thanks in advance this vehicle came in with no dome light ck all fuses ok ck power coming from switch to lcm ok ck power from door ajar switch to lmc ok ck all grounds ok found no power coming out of lcm going to bulbs replaced lcm with used one now works some...
2002 Mercury Mountaineer 4.0L Abs Module VIN: 4M2ZU66E62
After replacing the parts listed inthe related repair history section i performed an alignment and test drove vehicle and found that it has barely any brakes at all and the abs was pulsing all the time during braking and abs light never came on. Performed a br...
1994 Nissan Quest GXE 3.0L MIL Lamp on VIN: 4N2DN11W9R
replaced all of the fuel injectors because one was bad under the upper intake manifold. road test vheicle runs great but mil light will come on. there was no mil light on prior to replacement of injectors. codes 34, knock sensor and 35 egr temp sensor. cleared... Trouble codes: 34 (knock sensor), 35 (egr temp sensor)
2000 Nissan Sentra SE 2.0L Stall VIN: 3N1BB51A3Y
vehicle came is running fine cold, after an hr of driving vehicle will stall at lights and if cruising with foot off gas, replaced idle control valve for seized unit, also have removed and cleaned mass air , i dont usually mess with niss. any help would be gre... Trouble codes: P0505
2002 Nissan Xterra SE 3.3L lifter noise VIN: 5N1ED28462
Came in customer stated making noise after being driven on interstate . Road tested came back lifters on left head ticking , check oil pressure ( was with in specs.) 28 at idle almost 80 2000 rpms . Replace all lifters , also replace lifter mounting housing on...
2006 Nissan Altima S 2.5L long crank time VIN: 1N4AL11D76
good guess the crank sensor is a problem, but how to get at it. seems to be located on backside of engine near transmission and you can barely see it let alone replace it. We know this sounds stupid but how to get at it for replacement. Trouble codes: P0725, P0335
1999 Pontiac Grand Prix SE 3.8L fuel pump VIN: 1G2WJ52K4X
This is a tough one. my headache started when I tried to help a friend who thinks he is a tech,anyway my friend replaced the fuel pump with the updated connector, also replaced fuel pump relay, the bcm, the pcm to no avail. also my scanner will power on but wi...
2003 Pontiac Grand Am GT 3.4L Misfire VIN: 1G2NV52E23
Misfire from all cylinders under light load, 2100-2500 rpm Did basic checks of ignition system, plugs/wires - good Swapped: ICM, EGR, 7X CKP, CMP, 24X CKP Unplugged: TPS, MAF, EGR, 24X CKP *Problem goes away with EGR and 24X CKP unplugged* Dropped exha...
2006 Pontiac Solstice 2.4L Engine VIN: 1G2MB33B26
Did a water pump replacement on this Soltice. Coolant was leaking from it quite profusely, and had a whine type noise in that area. We bought the tool that holds the balance shaft gear in place, and purchased a Delco pump from the local GM dealership. Replacem...
1990 Porsche 911 Carrera 2 3.6L ignition electrical VIN: WP0AB2969L
vehicle came in with a draw on the battery here is what i have ,, if you start the car it will run but not keep an idle ,, when you switch off the ignition switch the lights on the dash stay on ,, check engine oil etc etc ,,,i did try a new ignition switch b...
2007 Subaru Legacy 2.5i Special Edition 2.5L Hesitation, MIL Lamp on, <4000rpm VIN: 4S3BL61657
This car came in with a low power complaint and would not exceed 4000 RPM. I have lost the documentation of the first scan test but it directed me to the VVT solenoid bank #1 which I replaced with a factory part. My inexperienced technician tightened the VVT p... Trouble codes: P0082 (Int. valve control ckt. low voltage bank 2)
2012 Subaru Outback 2.5i Limited 2.5L Awd VIN: 4S4BRBKC8C
Hello everyone. My friend mechanic bought a flooded Subaru Outback. He fixed pretty much everything except issue that is probably related to differential system. When driving straight, there is no noticeable problem, but when steering and moving, even a littl...
2001 Toyota Tacoma Pre Runner 3.4L Excessive Emissions VIN: 5TEGN92N81
Hi crew , i ve this truck that fails smog inspection co,hc are high(c0,hc were are 15/50 25/50 1.04% 138ppm and 1.00% 180ppm ) so we did intrusive test we notice catalytic converter were low efficiency . Fuel pressure was 58 lbs. Is way off the specs ,michell ...
2005 Toyota Corolla CE 1.8L Anti Theft VIN: 1NXBR32E85
Code p2799 sets in ecm that was just replaced performed relearn again and still no start and code sets imobilizer data shows no codes and is disabling starting any help would be great was thinking about reflashing pcm due to the fact i found out this pcm was a...
2006 Toyota Sequoia SR5 4.7L MIL Lamp on VIN: 5TDBT44A26
EVAP canister was replaced not to long ago. Now unrelated codes have popped up. TSB for these exact codes indicates replacement of canister assembly will be necessary. has anyone seen this? TSB #EG023-06, Date of issue April 14, 2006. I noticed the part number... Trouble codes: P043E, P043F, P0453 (EVAP emissions control system pressure sensor high input), P2401 (EVAP emissions leak detection pump stuck off), P2402 (EVAP emissions leak detection pump stuck on), P2419 (EVAP emissions pressure switching valve stuck off)
2008 Toyota Solara Sport 3.3L Sensor VIN: 4T1FA38PX8
I have this toyota which we installed a new tpms sensor in the right rear.we programmed thje new sensor and all was well.this week light is on with a code c1226.i looked at all data but no such code is tpms tool shows me code number but asto what it ...
1995 Volvo 960 2.9L Stall VIN: YV1KS9619S
OK, boys and girls, here's one for the weird files. The customer brought her car to us because it stalls when she turns left. She also said that on the way to the shop, the turn signals and instruments quit working. I took it out for a road test, and sure eno...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A4 Cabriolet 2.0L MIL Lamp on VIN: WAUAF48H27
Well we finally got this baby out the door.The manifold was removed to inspect the internal flaps and to make the ircm motor removal a lot easier.Flaps were good and the motor that controls the flaps was changed as well as intake and injector wer... Trouble codes: P2008 (Intake manifold runner control circuit open bank 1), P2115 (Intake manifold runner sensor/circuit perfomance).
2004 BMW X5 4.4i 4.4L oil fitler VIN: 5UXFB53544
I did not want to chance, so I replaced oil pump like tsb said, wasn't too bad
1998 Cadillac Eldorado ESC 4.6L Coolant VIN: 1G6EL12Y8W
Thanks for the time you all took to reply. A couple said to check or clean out the radiator. I found a reciept from another shop in the glove box for a recent new radiator so I didn't check that. 95% said it was a head gasket problem caused by the aluminum ...
2007 Chevrolet Tahoe LTZ 5.3L Misfire, MIL Lamp on VIN: 1GNFK13007
Wow 32 replies!! Sorry for the late reply. Customer needed vehicle back shortly after original post and has decided that after the two top engine cleanings we performed, he is happy enough to drive as is until it gets worse. Misfire is still counting up on ... Trouble codes: P0300 (Random cylinder misfire).
2002 Chrysler Town & Country (Van) LXi 3.8L Accessories VIN: 1C8GP54L52
Thanks everyone for your help. I had two problems, the first was the fuse box. The other problem was the forward module. Tim you close. So again thank you all Claude
2004 Dodge Dakota SLT 3.7L Surge, MIL Lamp on, erratic shifting VIN: 1D7HL48K54
This truck is finally fixed, another lesson learned. This is the last time I get burned by aftermarket parts. The "new" TPS I got from Advance was no good. I took the truck for a ride with the scan tool hooked up and got it to mess up a few times. When I ... Trouble codes: P0123 (TPS high voltage).
2011 Dodge Charger SE 5.7L Many VIN: 2B3CL1CT8B
After looking at the data with labscope we replaced the Electronic steering module assembly and all is well. Thanks
2003 Ford Ranger Edge 4.0L Misfire VIN: 1FTZR45E93
2006 Ford F-350 Super Duty XLT 6.0L Possible blown haed gasket VIN: 1FTWW31P56
I used an old chevy TBI fuel injection tester installed into the hose between the radiator and the degas bottle. Took truck up the biggest hill around here I could find. Coolant pressure only went to 17 psi. Never got this truck to repeat the symptom. Back ...
2005 GMC Envoy SLE 4.2L passenger front window VIN: 1GKDT13S15
Thank you for the replies I received, Matthew fronm California was rigght on with the programming problem, there is a programming issue with some of these models that must be flashed the old way. Problem is you wont know until you try, problem with that is it ...
2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke VIN: 1GTHK29677
The Oring on the charge pipe in front of the intake was ripped causing a boost leak. And the EGR valve was stuck open a tiny bit causing my MAF readings to be low (31 g/s at idle egr off @ operating temp). I dont like the design of this EGR valve since it is a... Trouble codes: P0101, P0401, P0299.
2004 Jaguar XJ8 4.2L Cmpressor VIN: SAJEA71C54
Youve got to be kidding me Customer claimed he was driving and one day the ac just stopped working But apparantly someone installed an ac compressor with a clutch instead of the correct variable displacement compressor it should have on it. First thin...
2004 Jaguar X-Type 3.0L No Start
Had someone hold the key to start postion while I tapped each relay in power dist box(under hood) and still no start. Looking at box diagram (alldata)there are 3 more relays that are hidden inside box. If you look close you can see them through the vented plas... Trouble codes: P1338, P1637, P1643, P1699.
2000 Jeep Grand Cherokee Limited 4.7L No Start VIN: 1J4GW58N6Y
PCM is the problem, it is not sending a ground to the ASD relay. Cannot get a pcm aftermarket, they have no cores. $600 from Jeep, school cannot afford that. Used ones are around $100. I have a grey key and was told a used one may not program. To fix the probl...
2000 Jeep Cherokee Sport 4.0L No Start VIN: 1J4FF48SXY
thanks to all who replied especially jergen from mexico installed new crank sensor with cardboard shim fierd right up deeply apprechiate everyone who took moment out of day to help
2002 Kia Spectra 1.8L no movement VIN: KNAFB121X2
This vehicle does in fact need a transmission. I have never seen this issue before, but I will remember it. There was no fluid flow out of the transmission pump. Customer elected to take to trans shop for overhaul. Thanks for the help.
2006 Maserati Quattroporte Sport Gt 4.2L Interior, Safety and Accessories VIN: ZAMCE39A66
Car is not fixed yet but am closing this request for information. Was able to find a reasonably priced PDF manual for this year range quattroporte on ebay. Downloading as we speak and is suppose to include everything on the car but only really needing electric...
1993 Mazda Miata 1.6L Poor Idle Quality VIN: JM1NA3514P
Thanks for the replies everyone; I forgot to close this post the same evening I had posted it (but keeping it simple, and ensuring not to skip the basics I found the spark plugs and spark plug wires needing to be replaced). Thanks for your time, Michael [...] ...
2001 Mercedes-Benz C320 3.2L maf VIN: WDBRF64J51
Hello everyone: Thanks for all the info.The issue was the MAF sensor.Even though I had checked the basics, i did not post results, as some of you pointed to do. The supply voltage to maf was good , but with that condition the fuel trim was out of specs. The s...
2003 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBUF65J93
Well I wrote it up for both senders with a little CYA for the rear SAM. The customer declined the repair. I was pretty confident it was just the sender just needed a little confirmation. These are the helpful replies, Reply 1Report Abuse ok Mark from Washin... Trouble codes: P203A.
2006 Mercury Mountaineer Luxury 4.6L MIL Lamp on, temperature gauge h
Well, i learned something new today! A few have suggested to check the coil on number 7. Replaced it and all is well. Wow, i would have never dreamed a shorted coil could cause that much headache. Thanks a million guys for all you're help. Trouble codes: P1285.
2006 Mini Cooper S 1.6L Cooling Fans VIN: WMWRH335X6
I want to thank all parties for assisting in this VERY embarrassing fault! Carter, Cedric, Harry, and Dan all hit it directly on the head! The Stage 1 (low speed) circuit was faulty - specifically, the resistor assembly was broken and completely corroded throu...
2008 Mini Cooper S 1.6L Poor Idle Quality, Misfire
So this customer was one of those people that ran her car into the ground. We replaced the fuel filter fuel in the container was black, replaced the plugs the electrode almost completely gone air filter clogged but the 2 main problems were all the valves comp...
2004 Nissan Quest SL 3.5L blend doors VIN: 5N1BV28U24
removed dash again and found to be a bad mode door.
2008 Nissan Altima 2.5L Stall VIN: 1N4AL21E28
The customer decided to buy a used transmission and I just replaced it. The transmission fixed it. Thanks for all the help. According to the salvage yard these cvts are a common fail point in the Nissans.
2002 Oldsmobile Bravada 4.2L Misfire, MIL Lamp on VIN: 1GHDT13S32
So I am going to have to close this one with out a good fix. In response to replies so far; I never personally was able to get this thing to misfire in my time with it. There is some kind of event that happens that I never experienced. I did scrutinize the thr... Trouble codes: P0300 (Random/multiple misfire).
2008 Toyota RAV4 2.4L Poor Idle Quality VIN: JTMBD33V48
I technically didn't fix this but after cleaning the throttle body to remove the varnish build up and clearing the pending etc, the customer reports that the vehicle has since performed well and without incident. I totally expected it to return with the same s... Trouble codes: P2118 (Throttle actuator control motor performance).
2003 Volkswagen Passat GLS 1.8L Hesitation VIN: WVWVD63B33
Sorry so long for the fix to show up. Thanks all for the responses. Should have noted that there were not any fault codes. What we found out is the crank sensor was shutting it off. Got the scope on it and found that as the engine speed would come up, the ...
2007 Volkswagen Passat 2.0T 2.0L Ac VIN: WVWAK73C77
Most of the replies said high side pressure was too high. I don't disagree, but I made a comparison with another similar Vw (two total)and found had similar pressures (same day) and they both cooled better. Since the fans were working I took Toms advice and ...
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