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Prev Professional Automotive Repair Technical Discussions for October 17, 2012
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Help Request Answers
1999 Audi A6 Quattro 2.8L Cuts out, Stall, MIL Lamp on VIN: WAUBA24B2X
i have a Autel and i need to know how to perform a adapt idle relearn. i can go to basic settings and #060 displays a fault but wont attempt to relearn. any help is appriatiated Trouble codes: P1545 (throttle valve controller malfuntion)
2001 Audi A4 Quattro 2.8L intake cam timing VIN: WAUDH68D21
After car was started a 17748 P1340 Camshaft position sensor-G40, engine speed sensor-G28 incorrect allocation was set. This fault is for bank 2. We double checked intake cam timing at the chain and it is correct. The cams line up perfectly and we have the 16 ...
2004 Audi Allroad Quattro 2.7L No Pump pressure VIN: WA1YD64B04
I wish to thank every man who may offer help with your past experience and knowledge. You make the iATN what it is - daily. Replace transmission - due to both water damage to TCU and clutch pack slippage in 4th and 5th gear. Time passed. Transmission found...
2002 BMW 540i 4.4L On-Board Monitor VIN: WBADN63422
Hello BMW folks, please can i ask for your attention for a minute? I'm working on a 2002 E39, and i think i have got closer to the fault, but i'd like to run it by you first... So, this car has an I-bus and i think the BMBT is causing the power drain. i have t...
2006 BMW 750Li 4.8L Unknown VIN: WBAHN83516
BMW Techs I need some help. 2006 BMW 750LI. When I take the customers vehicle for a test drive it drives and shifts fine, but when I come to a stop I hear a thunk noise and it feels like someone slightly bumped into the rear bumper. The code it has is P17E1 Ra...
2007 BMW X3 3.0si 3.0L Hesitation VIN: WBXPC93477
Like I said, this vehicle came in with some mud on it and scratches from dogs or some other animals all over it. Looks like it is used on a farm. The customer complained that it was idling rough and the engine light came on for a moment and went out. It was ... Trouble codes: 2A82
2001 Buick LeSabre Limited 3.8L Harmonic Ballencer VIN: 1G4HR54K21
Ok we have a Buick 3.8L with code P0366 fails hot no restart and no tac. Cold or cooled off runs fine and of course no MIL now, however customer said MIL came on once or twice. Sensor is bad need to be replaced, no big deal. BUT we can't get the bolt out of th...
2002 Buick Century Custom 3.1L Stall VIN: 2G4WS52J32
This car came in with a bad miss.Scanned it at the time I had 2 codes PO300 And P1189... Checked the misfire count and #1 Cyl was highest.Changed the plugs, wires and fuel filter and ran much better.Let the car set for awhile and came back and started it and i... Trouble codes: P0300, P1189 (Oil Switch Signal Circuit), P1626 (Theft Deterrent)
1986 Chevrolet C10 Scottsdale 5.0L 1-2 3-4 shift VIN: 1GCDC14H5G
We just recently installed a 350 Chevrolet engine that customer bought off internet. It has mild performance cam- .465"/.488" lift and duration at .050" is 224/234. It has 340 h.p. and 375 ft/lbs torque. High performance distributor with Holley 600cm carbureto...
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ... Trouble codes: P0440 (Evap), P1631 (Theft)
2001 Chevrolet S10 2.2L No Start VIN: 1GCCS19551
Vehicle comes in as a no start. backfires through intake upon cranking. Check compression all cylinders below 90 except#3 it has 110. We are thinking timing chain. Pull the cover timing dead on. Put air into cylinders # 4 leaking air out exhaust. Pull head fou...
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on
I have this cobalt with a 2.2 that has a code 1516. My problem is after following the diagnostic flow chart from shopkey when Iwas supposed to check across the motor contol wires with a test light mine lit and wires were not shorted to power so replaced thrott... Trouble codes: P1516
2006 Chevrolet Uplander LS 3.5L No turn signals VIN: 1GNDV23L86
Thanks in advance for any response. Intermittently both left or right turn signal do not work in front or rear. The turn signal indicator flashes fast in both directions and I believe the hazard flashes the indicator but the lights also do not work (Have not ...
2008 Chevrolet Silverado 1500 LTZ 6.0L No Crank VIN: 3GCEK13Y48
2009 Chevrolet Tahoe LS 5.3L MIL Lamp on, P1174 VIN: 1GNFK03069
Hi all, this is one of our ems trucks for moving people and supplies around. P1174 came on about 200 miles ago and i looked it over and didnt see anything wrong. Made note of code and date in door jam and cleared codes. Less then 100 miles code is back. Ordere... Trouble codes: P1174 (fuel trim cylinder balance bank 2)
2008 Chrysler Town & Country (Van) LX 3.3L No Start VIN: 2A8HR44H68
Hello, this should be an easy one for you knowledgeable Chrysler techs: I just replaced the WIN in this T&C van because the key was getting stuck and the owner couldn't start the vehicle. My problem is that I need to program the VIN into the new WIN and progra...
1998 Dodge Ram 3500 Truck 5.9L no right front brake and now rear brakes. VIN: 3B6MC3664W
vehicle come in with abs and brake lites on. done a vehicle inspection and did not recieve any codes from abs module. can communicate with abs module but we have no vehicle speed sensor reading from any of the three sensors(l/f, r/f, and rear sensors) in the a...
2000 Dodge Dakota 4.7L MIL Lamp on, No communication VIN: 1B7GL22N9Y
OK, Dodge guy's I need a little help with this one. My problem is I have no communication with our DRB III or any other scan tool (needs NCSI) I have tried to communicate with all other modules, and cannot. Vehicle starts & drives normally, has no CEL, Milage ...
2000 Ford Windstar SEL 3.8L trans temp VIN: 2FMZA5340Y
One for you Fomoco tranny guys. Got called in on this 2000 Windstar that keeps setting a trans overheating P0783 code. Tranny shop had done a rebuild and added an external cooler to try and cure problem and figured it must be electrical. They had rebuilt this ...
2002 Ford F-150 XL 4.2L Surge, Poor Fuel Economy, MIL Lamp on VIN: 1FTRX07232
Vehicle came in running rough at times with lean codes. Customer had already installed new upsteam o2s, maf, iac valve and intake gaskets with new bolts/isolaters. STFT both banks max out to +33%, at idle and no change off idle(1500rpm+), indicating no vacuum ... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2), P1151 (Bank 2 indicates lean), P1131 (Bank 1 indicates lean)
2002 Ford E-250 Econoline 4.2L Cuts out, MIL Lamp on VIN: 1FTNE242X2
Hello: This van has a skip, or cut out when accelerating. The mil is on with P0340, cam position sensor problem. The customer said the cam sensor was replaced but I could not find any evidence of it so I replaced it. No improvement. It acts like fuel pump is d... Trouble codes: P0340
2004 Ford E-350 Club Wagon XL 5.4L Excessive Emissions VIN: 1FBNE31L64
I have no long term fuel trim on b1 or b2 o2 read .986 on all o2 sensor you can make them go lean by taking a vacuum line off. I put in one new o2 in rearing same. I would like to know why i have no long term fuel trim at idel or going down road Trouble codes: P2196 (Front HO2S signal stuck rich B1-S1), P2198 (Front HO2S signal stuck rich B2-S1)
2004 Ford Ranger Edge 3.0L No Start VIN: 1FTYR14U94
Hello and Thanks in Advance for looking at the help request!! This vehicle is a no start. Customer said he drove the truck into his driveway and it died like he had cut the key off. It has not started up since. First things, put battery charger on and hooked...
2005 Ford Five Hundred Limited 3.0L Surge VIN: 1FAFP28155
Good morning This car came in with the customer stating he was feeling a surge at steady speeds, which was able to duplicate. With the mileage I thought a good tune would cure the problem, NOT. customer researches and decides the fuel pump is the issue even t...
2006 Ford F-150 XLT 5.4L Misfire, MIL Lamp on VIN: 1FTPW14546
This vehicle will set # 5 missfire code consistantly, but only after engine is accelerated full throttle to 4500 rpm. There is a noticable lack of power at high rpm, engine struggles to accelerate once it hits about 4500 rpm.then check engine light flashes, th... Trouble codes: P0305
1993 Geo Storm 1.6L Stall VIN: JB1RF2360P
Thanks for the help in advance. Got this sweet 93 geo storm that came in for a no start. Customer has been doing his own work on it, had low fuel pressure, pump wasnt installed properly. Fixed that problem and vehicle started and ran for about 5 min. then stal...
2003 GMC Envoy SLT 4.2L all lights VIN: 1GKDT13S63
Hello! All lights on this GMC Envoy will flicker at idle sometimes, and everytime the engine is above 1800 rpm. All grounds for lighting and pcm, bcm, and all interior grounds have been cleaned. All main connections at alternator and fuse boxes have been clean...
2000 Honda Accord EX 2.3L front struts VIN: JHMCG5554Y
Front struts are leaking and must be replaced. I suspect rear struts must also be replaced in the near future. KYB is the OEM supplier but only sells the strut. I would prefer to install the entire strut spring assembly (because it is much easier and less labo...
2003 Honda Civic Hybrid 1.3L MIL Lamp on VIN: JHMES96643
Vehicle had recall performed at dealer for headlight dimmer switch. Next day CEL & IMA warning lights came on. Customer returned to dealer. Dealers invoice states "pulled codes, R C2 Codes Battery Cell And IMA System - Cleared Codes & Road tested - Did not Rec... Trouble codes: P1600
2003 Honda Civic LX 1.7L Electronic VIN: 2HGES16673
After finding nocontinuity at round Range Switch connecto Ter A to I .replace range selector switch.Shift indicator works,but sometimes no neutral light.I have followed procedure from ESI,ajust till i blue in the face ,still occasional no N light.Not familiar ...
2005 Hyundai Santa Fe GLS 2.7L Mechanical VIN: KM8SC13D15
I have this 05 Santa Fe 2.7 that makes a rattling noise coming from what sounds like the valve train at cold start up, it tends to get better as the vehicle warms up but never completely goes away at idle, and goes away under light throttle to 2000 rpm, I have...
2004 Isuzu N NPR 6.0L keeps running w/key VIN: 4KLB4B1U74
trying to find problem for customer,do not have any good information on truck,limited wiring diagrams and no componet locations, though maybe someone has seen this before,can cycle key off truck will stay running,turn off and on a few times will stop?? Trouble codes: U0107
2001 Jaguar S-Type 4.0L ride VIN: SAJDA01P01
meow the cat is crying this car has very low miles ,, had loose ball joints and stabilizer links and a CATS system fault for the left front strut connection we installed new ball joints and links and repaired the wire to the strut the problem is the susp...
2002 Jeep Liberty Sport 3.7L Engine VIN: 1J4GL48KX2
This vehicle came in with SES on and P0306 stored in ECM, Freeze frame says 32 degrees and open loop so would have been at startup, of course cannot verify concern at this time, was thinking maybe head gasket leaking coolant into cylinder but did pressure test...
1998 Kia Sportage 2.0L MIL Lamp on VIN: KNDJA7234W
Vehicle came in for poor run and check engine light on, had codes p0304 and p0101. Found #4 plug with burn spot down the side of the plug, replaced both coils and wires and plugs. Cleared codes and told cust if the p0101 comes back we would recheck. Cust said ... Trouble codes: P0101
2005 Kia Sorento EX 3.5L Power Steering Fluid VIN: KNDJD73365
This vehicle came in with a leaking steering gear. we replaced it with aftermarket gear, bled and test drove, with no problems found. A few days later, it comes back with customer complaining of steering noise and fluid leak, and we found aerated fluid with a ...
2004 Lincoln LS 3.9L Cooling VIN: 1LNHM87A94
Im hoping someone has an idea.Car came in with a major coolant leak from the water pump installed new pump now there is a leak from the rear of the engine drips out at a steady rate while running or pressure checking,come out the bottom of the [...] housing lik...
2007 Mini Cooper 1.6L Misfire, MIL Lamp on VIN: WMWMF33597
Customer came in with rough running and misfire complaint especially after car has warmed up. I am unable to communicate with the computer even after disconnecting the ABS fuse and the one time I did it told me multipie misfires all cyl. and front o2 sensor pr...
2005 Nissan Titan LE 5.6L Smokes VIN: 1N6AA07A95
Have this Titan that has a heavy puff of blue smoke on start up after sitting for a couple of hours . Performed compression and leak down test everything checked out good. Decided the smoking was due to leaking valve stem seals. Installed vavle stem seals, NO ...
2005 Subaru Impreza WRX STI 2.5L limited slip diff VIN: JF1GD70665
well guys i have this sub here it keeps blowing fuse # 4 in the main fuse box its a 10 amp fuse says its for unit back up not much info on this thats why i call on you guys and gays the best source of info available according to the little info i have it runs ...
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: WVWSE61J13
This thing is throwing this code, checked g79 and g185 on vagcom and zone 3 will go from 14% to 87% and zone 4 is 14% to 39%, unplugged the pedal assy and pin1 to groung is 5 volts, pin 1 to 5, 5 volts, pin 2 to ground 5 volts, pin 2 to 3 5 volts, in the proce... Trouble codes: P1639
2001 Volvo S80 T6 2.8L Mechanical VIN: YV1TS90D81
i have a volvo that came in with broken timing belt need to know if timming belt is set to no one cyl or no eight cyl when install crank tool cyl no eight is at top dead center i have cam tool not worried about cam timing as per tool alldata not to clear on ti...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi S4 4.2L Electronic VIN: WAUPL68E35
I'm closing this post with a summary do to the fact that the car is gone. talked to the custumer and touched base with him and told him we would need more time to diagnose to make sure there is no problem with the clock spring. Did check out the measuring bloc...
1995 BMW 325i 2.5L starter not working VIN: WBABJ6325S
Thanks everyone that took the time to reply.Cedric you hit the nail on the head, michel you also were a big help.The black and green wire goes to the door locks like they said. Upon removing the drivers door panel to inspect the actuator we found that someone ...
2011 BMW 328i 3.0L trunk VIN: WBAKE3C57B
thanks for all that replied we powered the locks system through the fuse box and got the trunk open thanks again russell
1986 Cadillac DeVille Touring 4.1L electronic climate control VIN: 1G6CD6987G
so we chased some wires and disconnect control heads but turned out to be the bcm thanks all for the info
2009 Cadillac Escalade 6.2L front suspension VIN: 1GYFK23289
Most replies suggested low tire pressure and/or low profile tires as the cause of the rough ride, but the tires/wheels were on the vehicle prior to this problem. I did not think it was as simple as shocks. But, it was as simple as shocks. I let the complexi...
1977 Chevrolet Camaro 5.7L Gear Selection
Thanks to all who offered help. Randy from Pennsylvania, identified the problem. The pork chop plate above the shift linkage inside the transmission had a shift kit (Spacer between the transmission and this pork chop plate)on it with retaining bolts that had w...
1999 Chevrolet K3500 7.4L No Start VIN: 1GBJK34J7X
Thanks again for the help! I started over still had the fast fuel pressure bleed off from the injectors (with the return blocked) exhaust open, in time with good compression. rechecked spark at plugs and had fire but it appeared to be weaker than i had previo...
2007 Chevrolet C6500 Kodiak C6E042 7.8L Parking VIN: 1GBJ6E1357
After shoe replacement still did not hold tight enough, replaced actuator cam & plate, both had slight, slight wear marks, but apparently enough to cause a problem.
2001 Dodge Ram 1500 Van 5.2L Stall VIN: 1B7HC13Y41
After checking powers,grounds, running fresh wires to the tps sensor, I still had an idle problem. The tps voltage at idle was not steady, varying by almost a tenth of a volt,this seemed to be the issue. I replaced the ecm and that was the cure! At idle I look...
1996 Ford Ranger Splash 2.3L Cuts out VIN: 1FTCR10A0T
Thank you to all who replied. It was a problem with the engine wiring harness. I performed a agressive wiggle test and problem went away. At this poin customer is going to take delivery of vehicle and if problem happens again we will have to replace engine ha...
2000 Ford Explorer Sport 4.0L anti theft VIN: 1FMYU70E8Y
Thanks everyone for your thoughts & ideas..I ordered a programmer & will see if it will do the trick..From my understanding,you have to erase transponder info from the anti theft module & the module has to learn new info..This tool i ordered promises to do tha...
2006 Ford Ranger XLT 3.0L abs VIN: 1FTYR10U86
Thanks to all that responded I attempted to clean the LF speed sensor which was dropping off faster than the rest on the scanner,but I decided to change it because the bolt hole had been already cracked.No more slow speed ABS apply.Thanks again.
2008 Ford Explorer Limited 4.6L Cuts out VIN: 1FMEU75858
the problem only happens with customer, and not often enough to nail it, thanks for the help and the updated info on the baro updates. however it is not fixed.
2002 GMC Envoy SLE 4.2L Air Conditioning VIN: 1GKDT13S32
It appears that we somehow got some air in the system during the last recharge. We re-evacuated and charged the system and the pressures and temps all went back to normal range.
2001 Honda Accord EX 3.0L speed sensor VIN: 1HGCG22591
well first of all thanks to everyone that took time out to help. James,Dale,Alan and Michael were all correct the speedometer gets a signal from the countershaft input signal thru the pcm. This vehicle does NOT have a vehicle speed sensor. I spoke with the cus...
2008 Jeep Liberty Sport 3.7L No Start VIN: 1J8GP28K68
this vehicle has not acted up since he called last. he has driven and started the vehicle 20 plus times a day. no question the fuel pump was bad to start with. i got the veh back yesterday afternoon and drove it home and around. no issues. i thank you for ...
2007 Mazda 3 S 2.3L Fuel fill VIN: JM1BK34487
Thank you for all the help but we found no reason for this problem. Rusty, we installed a new OE canister. Tristan & William, the filter is clean and under the right fender. I did ask the customer to let me know if she gets it fixed somewhere.
2007 Other European GOLF + 1.6L Electronic VIN: WVWZZZ1KZ7
Thanks for all the kind help, the problem was with engine throttle position air flow at idle too low code p3078,that was my mistake by going first to diagnose the a\c and when i found no problem , i decided to go to engine electronics , found problem make basi...
2008 Pontiac Wave 1.6L MIL Lamp on VIN: KL2TD55638
thanks for all the replies,turns out the cat converter wasn,t lighting off and cleaning the gases properly,dealer is putting in a new cat under warrenty Trouble codes: P2096.
1997 Volkswagen Cabrio High Line 2.0L no start VIN: 3VWBA81E8V
Thanks everyone for your replies. I tried bypassing the alarm and replacing the main relay with no help.Checked all grounds at engine and inside car all good. Appears there is a ground issue in the instrument or going to the cluster cluster but the custmer dec...
2001 Volvo V70 2.4T 2.4L Crankcase Ventilation VIN: YV1SW58D71
Well, we replaced the turbo inlet tube and ran the engine. We tested the PCV system using the finger of a rubber glove zip tied around the top of the dipstick tube. I got no inflation nor delfation of the glove at any time, not at idle nor while revving the ...
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