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Prev Professional Automotive Repair Technical Discussions for January 15, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi TT 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: TRUUT28N41
This car is driving me nuts. We recently cleaned the injectors and replaced the spark plugs and mass air flow sensor for the same problem. The vehicle surges intermittently at idle and sets a code p1137 after about a week of driving. The customer said audi rep...
2002 Audi A6 Quattro 3.0L Heater core VIN: WAULT64B72
Vehicle came in with a coolant leak at radiator and a no heat problem. We replace the radiator and bled system using the bleeder at stat outlet pipe and the heater core upper hose hole. I ran vehicle at 2500rpm and cracked bleeders again. I even used the Spill...
1993 Buick Skylark Limited 3.3L Starting VIN: 1G4NJ54N6P
Help Techs! I have a 93 Buick Skylark, 3300. No start. No Injector Pulse, No Spark. Replaced Crank Sensor. Tried KNOWN Good Ignition Module and ECM. Have power to Ignition Module. When key is turned to run position the ground wire to the Crank Sensor has power...
1992 Chevrolet C60 Kodiak C6H042 6.6L leaking fuel VIN: 1GMSDNJSER
Hello everyone i have a 92 chevy wrecker kodiac 3116 cat, I have a fuel leak top or by the cylider head somewhere and it runs down on to the engine belts, just wondering if thid is a common problem and what parts or seals i may need to repair, any help thanks ...
1997 Chrysler Concorde LXi 3.5L Antitheft VIN: 2C3HD56P4U
Thanks in advance, we need the help of the alarm and chrysler guys.hicle came in for repairs all went well, when customer came to pickup vehicle, unlocked the drivers door with the key, the alarm set.ights flashing(horn disconnected previously),lught on dash f...
2002 Chrysler Sebring LX 2.7L No Start, MIL Lamp on VIN: 23456R7H55
Ok I promise I will get alldata or mitchell soon. I was able to get started after adding starting fluid, but missed out bad. tryed to do it again and would not restart. I figured it might be be flooded but I do not believe that is the case. I remember having t... Trouble codes: P352
2006 Dodge Ram 2500 Truck SLT 5.9L Crankshaft Bearings VIN: 3D7K528C35
Please help!!! Customer drove vehicle 5,000 miles after repair and stated that low oil pressure light came on. When he checked oil found it was low. Elledgedly installed 8 quarts and drove back to the shop. (does not have a reciept for the oil)Upon inspection ...
1985 Ford F-250 6.9L Poor Idle Quality, Cuts out
I am working on a 85 f-250 with the 6.9l IDI engine. It came it as a no-start with no fuel getting to the injectors. Fuel delivery to the injection pump was good, so we installed another injection pump. It had one installed about 2 years ago. After bleeding th...
2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5144Y
My question is the MAF GPS should be higher than 2.8-3.0 GPS at an idle.A low reading from the MAF will cause a lean condition?Boosting fuel pressure helps slightly.There are no vacuum leaks anywhere.The last thing I have done is check for water in the fuel.Th...
1999 GMC Jimmy SL 4.3L fuel, temp, alt light always on VIN: 1GKDT13W7X
customer complaint is gas gauge reading emty when full, the low fuel light is on, alternator light is on, temp gauge not workig, all happend at the same time. was working fine befor hand, with no symtoms prior to this happening. ran threw the flow chat and cam...
2002 Honda Odyssey LX 3.5L Locks/Windows VIN: 5FNRL187X2
Happy Weekend to All, From the driver's master window switch I can only raise and lower the driver's window. Can't work the passenger window and both rear vent windows. The power door lock button does not work from the driver's door but will work from the pass...
2006 Jeep Grand Cherokee Limited 4.7L Differential VIN: 1J4HR58N56
Thanks for any help to start with. This 06 Jeep has a noise that sounds like it is up front drivers side that goes away when u let off the gas. sounds like a pinion bearing, but drive with chassis ears on the pinion part of the differential both front and rear...
2007 Land Rover Range Rover Sport Supercharged 4.2L 3 amigos VIN: SALSH23234
Hi guys its my first so easy on me. OK got this Range that has a P0504 code brake switch correlation I suspect but not sure if it has other embedded codes for suspension and abs as I cant pull factory codes only generic. I heard some guys us BMW X5 to get into...
1998 Lexus GS300 3.0L Abs VIN: JT8BD68S4W
This car has the codes c0226, c0236,c0246,c0256, c0278, c1223, c1225, and c1246 intermittently. I have read these are problem children with modules and I have purchased the unit seperate from the pump unit. I ohmed the new unit and the old solenoids and the sp...
1989 Mercedes-Benz 260E 2.6L hydraulic system VIN: EA26D2KA99
Hello techs. We had an 89' Mercedes 260e come in for brakes. the left rear caliper piston was frozen and the rotor was broken and had very little brake pedal. We replaced the calipers, rotors and pads in the back and pads and rotors in the front. We could not ...
2006 Mercedes-Benz R350 4Matic 3.5L Hesitation, MIL Lamp on VIN: 4JGCB65E46
Truck was bought a few months back-used car yard. Truck ran very well, clean truck but large leak issuses. Truck was a tennis ball between customer and selling dealer. Fixing included Oil leaks - valve cover gaskets, cam plugs rear, CV axle , power steering pu... Trouble codes: P0012, P0022, P0300, P0301
2000 Mercury Sable LS 3.0L Misfire, MIL Lamp on VIN: 1MEFM58U6Y
Ok, this is my wifes car. One day a few weeks ago she left to go to work and came right back home and said her car wasnt running correctly. Sure enough I go outside and I see the check engine light flashing and can tell it has a dead miss. I grab my mt2500 and... Trouble codes: P0301 (cylinder 1 misfire)
2000 Nissan Maxima SE 3.0L Hesitation VIN: JN1CA31AXY
Customer came in with check engine light and hesitation problems. Vehicle would not go pass 5,000 RPM and would hesitate when trying to pass. vehicle had a misfire and after replacing the spark plugs and coils, it took care of the check engine light and the ca...
2004 Pontiac Grand Am SE 2.2L Starting VIN: 1G2NF52E94
Hello All. I have a 2004 Grand Am I could use some help with.Car was towed in for no start.Engine cranks ok fuel pressure is good and I have spark.Engine will run ok on carb cleaner.I have 12v rev to injectors and can fire them all individually through the sca...
2001 Volkswagen Golf GL 1.9L Hesitation, MIL Lamp on VIN: 3VWSP29M41
The customer is complaining about intermittent no throttle response. It will happen on a cold or hot engine. It fires up no problem, goes to 1100 rpm and has no throttle response. He will wait for anyhwere from 1 to 25 minutes before it suddenly responds. Shut... Trouble codes: 16612 (Tps), 16487 (Maf), 17656 (Injection Timing)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 Buick Electra Park Avenue 3.8L Dash VIN: 1G4CW54C3K
I did remove the cluster and did pin point testing. Contacs were clean, but did do a cleaning on them. We suspected the cluster itself to be defective after checking the 3 diodes and testing other componants inside cluster. All pin point solder connections wer...
1994 Buick Regal 3.8L Noise in Drive VIN: 2G4WB55LOR
Thank you guys, took the transmission apart, the parking rod was ok. who ever rebuild the trans for got a bearing between the parking gear, and it started grinding together. The final drive gear got damage and the spring that pushes the arm that locks the park...
1994 Chevrolet S10 4.3L No Start VIN: 1GCCS19W9R
I was wrong about the fuel pump, it was the fuel pump after all. It would not hold pressure, so we removed pump and tested it by directly attatching a fuel pressure gauge to the pressure line. Pressure held 80psi on gauge, we were then suspecting regulator/inj...
1999 Chevrolet Tahoe LT 5.7L Poor Idle Quality, Misfire VIN: 1GNEC13RXX
found number 8 exhaust valve stuck open. customer denied further repairs at this time. Trouble codes: P0300.
2010 Chevrolet malibu ltz 2.4L MIL Lamp on VIN: 1G1ZE5E01A
Thanks everybody for your replies. The car has been gone now for two weeks and is running good. We ended up unplugging everything that is on that circuit and putting dielectric grease in all the plugs, and it fixed the problem! This was a weird one, thanks aga... Trouble codes: P0107.
1999 Ford F-250 Super Duty XLT 7.3L current draw VIN: 1FTNX21F3X
The fix was a new fuse box.I found a hole burn't thru the fuse box housing from the inside due to moisture intrusion.The gem module was fine.Thanks for verifying my suspicians.
2001 Ford Expedition Eddie Bauer 5.4L MIL Lamp on VIN: 1FMPU18L81
We are calling this one fixed enough by replacing the intake gaskets, it hasn't reset either lean code and has been cold started and had a couple long test drives. on the first drive both banks stayed below 8% (bank 1 5-7% bank 2 3-5%) second test drive saw ba... Trouble codes: P0171.
2006 Ford F-350 Super Duty XL 6.0L Turbo VIN: 1FDWF34P06
Our management elected to send the vehicle to the dealer for poss warranty repair. A number of the reply's recieved suspect the tubo is carboned up internally, with several seggesting cleaning and several replacing. As pointed out by several, it does go to max...
2004 Infiniti G35 3.5L Clutch VIN: JNKCV54E54
It was nothing more than a well worn release bearing producing the noise. Considering it probably would require a dual mass flywheel at nearly $1100 from the dealer I allowed the customer to supply an aftermarket solid flywheel and clutch assembly. Considering...
1998 Jeep Cherokee Sport 4.0L Poor Idle Quality, Surge, Misfire VIN: 1J4FN28S3W
This one is out the door. Many had mentioned mechanical but I had ruled that out mainly for how great it ran before ECM took control, also at times Jeep ran great. Usually a mechanical problem will show up all the time.Anyway,John from Penns. hit it on head, h...
2005 Jeep Grand Cherokee Limited 5.7L Shudder, Stumble VIN: 1J4HR58N85
This customer opted to have the vehicle traded in for a new one. She has spent numerous dollars on this 100k miles vehicle. Its to bad really. Anyway fellow technicians, the problem was this; Transmission, well more specifically, the torque converter. I belie...
2004 Kia Optima EX 2.4L Cuts out VIN: KNAGD12684
I appreciate the replies Chris and Ty. This one will be ending up going to wholesale. The dealership was able to trade into another vehicle yesterday evening. Its good and bad in a sense because the dealership decided not to repair the vehicle. Its good beca...
1997 Lincoln Mark VIII LSC 4.6L Anti-theft system VIN: 1LNLM92V9V
We have not fixed this one yet but I will not give up trying. We have the vehicle running now and will see what signal is on the +/- bus line to see if we can recreate it. I will keep everyone posted once I have answers. Len
2002 Mazda Millenia S 2.3L Tsc VIN: JM1TA22262
The Car had One vacuum line plugged and another routed to the wrong valve. Had to take a break and come back to find the problem. All the info was great and very apreciated.
2006 Mercedes-Benz SLK280 3.0L Mechanical VIN: WDBWK54F06
Glad I asked for opinions on this one. Man everyone was dead on, motor mounts where bad, didn't look it till I removed them and oil poured everywhere. So new motor mounts and a trans mount made it smooth. Although it does not answer to the metal cuttings i...
2007 Nissan Sentra 2.0L struts VIN: 3N1AB61EX7
Well this is how i got it done, Good old duck tape Have someone extend the rod all the way the up then i wraped duck tape around the base of the rod near the seal then to the strut body. And it will some how hold. Then build the strut and remove the tape.
2005 Saab 9-3 Aero 2.0L Poor Idle Quality, Hesitation, Misfire VIN: YS3FH75356
Thanks for everyone that replied! All we did was replace all the ignition coils and let the customer take it. Its been 2 weeks and havent heard from him. Those Mis-fire counter can really throw you off. Its normal to have some mis-firing on the screen. the car...
2004 Toyota Sienna XLE 3.3L small cable at middle of sliding door VIN: 5TDZA22C04
I'm calling this one fixed even though it's still apart, the new part (complete closing assembly) is in transit and will be installed this next week! I tried to find just the reel and cable mechanism but it's not available anywhere so had to step up with twice...
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