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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 3, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Buick Regal GS 3.8L Poor Idle Quality
once you hit the gas rpms shoot to 2500 rpm. checked for vacuum leaks found none. also replaced mass air flow with known good one and new iac valve.very stumped. pcv valve is free.any suggestions??? Trouble codes: P0507
1997 Cadillac Eldorado ETC 4.6L Blower VIN: 1G6ET1297V
Inop HVAC blower on this car. 3 wires on the blower motor. Batt, ground, and the variable voltage signal wire. Power and ground is good. There is no varied voltage from signal wire at any time, regardless of control setting or key on/off. With the fan connecto...
2003 Chevrolet Impala 3.4L hi/low beam VIN: 2G1WF52E83
Can the hi/low beam switch be replaced in the turn signal module? The dealer wants $500 for this module. I've removed the module and taken the switch out, cleaned and reinstalled and it worked for a while, but returns to not clicking the hi beams on when actua...
2004 Dodge Intrepid SE 2.7L brakes VIN: 2B3HD46R04
once the car starts to get warm the brakes feel like they are on all the time. massive brake drag. tried new calipers pads rotors, no change. any suggestions?? i dont think its a abs problem no codes abs seems fine. wheel bearings also checked ok
2003 Ford Excursion Limited 6.0L engine VIN: 1FMSU43P33
2003 Hyundai Sonata GLS 2.7L Stall VIN: KMHWF35HX3
Hi all great tech. This sonata came in with complaint about engine stall when put in drive , idle running good in reverse, neutral or park. No code. Vehicle can restart right up and idle good, trans fluid was low about 1 quart.it driving fine but if you slowly...
2003 Infiniti FX45 4.5L Stall, Misfire, MIL Lamp on VIN: JNRBS08W03
Got a problem with a FX45 . Came in the shop with a bad running engine ,customer also said would stall when driving , after a 30 min wait would start and runs great with out any problem after 20 Min's of driving would stall again , Got code P0340 so i replac... Trouble codes: P0340
2005 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJE72335
After car is drive about two days the check engine light comes back on with a code p0455 large evap leak test the cap and it passed used a scanner and did a salf test and it passed smoked test and can not see no leak any where can anyone help out with this kia... Trouble codes: P0455
1990 Lexus LS400 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: JT8UF11EXL
The engine idle hunts, and after about 15 seconds it stalls. The engine lacks power. Looking at a wiring diagram the TPS, coolant temperature sensor and the air temperature sensor inside the mass air sensor ALL ground through the same pin on the ecu. I have is... Trouble codes: 24 (Intake air temperature sensor part of Mass Air Sensor), 41 (TPS sigal abnormal), 47 (TPS Shorted/open), 22 (Coolant temperature sensor siganl abnormal shorted/open)
2002 Mercedes-Benz E320 4Matic 3.2L Unknown VIN: WDBJH82J92
Car was towed in for transmission slipping all the time and in limp mode. Scanned ETC and found failed turbine speed sensors codes. Replaced conducter plate (Speed sensor)and electrical connector seal for fluid leakage. Cleared codes. Test drove car which now ...
1995 Nissan Sentra 1.6L Poor Idle Quality, Surge VIN: 1N4AB41D8S
Hello everyone, Customer brought his vehicle into to have me inspect and he has no CHECK ENGINE LIGHT and all systems seem to operate correctly while vehicle was brought in for the diagnostic (Code Check)/Symptom. MODIS gave me a recommendation to add a grou...
1997 Saab 900 S 2.3L battery VIN: YS3DD55BXV
This little ole car has an electrical draw & the battery goes dead. The electric center & dome fuse are cAusing the problem. With the key out & the door open the key chime still dings. You can also pull the key out with the engine running which seems weird to ...
1986 Toyota Pickup 2.4L Poor Idle Quality, Stall VIN: JT4RN38DT0
The truck will start then immediatly stall. Inspected the harness from right fender to engine-ok scope there at the fuel injector wires and see a signal when it starts and dies, pulled spark plug wire and get spark when it starts and dies. Will run on choke cl...
2004 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 3VWSE69M74
Changed spark plugs as customer request used Bosch double platinum plugs, ran very smooth after work was complete. ten minuets later customer calls. The check engine light was flashing ,car can't get over 25 mph. brought back, # 2 coil went bad. I changed #2 c...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Acura Integra LS 1.8L Torque Converter VIN: JH4DA9456P
Second time's a charm right? When the converter was pulled again it was pretty clear that the oil was coming from the front seal. Used the UV light to check for any other leaks in the bellhousing area, none found. Checked the fit/feel of the input bearing (...
2003 Audi A4 Cabriolet 3.0L won't start VIN: WAUAT48H13
In order not to lose the programming in the computer we have sent unit to GOECM.com for rebuid at $395.00. Hopefully it will save us the tow to dealer.Will post final results when I get unit back next week.Thanks guys.
2006 Cadillac Escalade EXT 6.0L n/a VIN: 3GYEK62N86
hi my friends customer came back, used my chassis air and found the u joints to be at fault,although they seamed to be tight the pins were rusted inside just enough,thank you all for all the help.
1994 Chevrolet C1500 Cheyenne 4.3L brake light switch VIN: 1GCDC14Z6R
I removed the brake booster and elongated the hole in the push rod and also added some material to the end of the eyelet with a welder so that it contacted the switch, worked perfectly, someone must have changed the booster at some point although it looked ori...
1999 Dodge Ram 1500 Laramie 5.9L No Start VIN: 1B7HF1325X
Goodmorning gentlemen,the vehicle is fixed.Turns our the main wiring harness to the transmission is the cause.I stayed late last night and went over anything I might have missed.While I was trying to reach the transmission main harness connector,I felt GMS su...
1999 Ford F-150 Lariat 5.4L Suspension VIN: 1FTRX18L9X
thanks to all who gave advice , we thought it might come apart that way , but we where not sure , and i didnt want to ruin something by taking it apart the wrong way , but thank you all who replied
2003 Ford Ranger Edge 3.0L Misfire VIN: 1FTYR10U03
thanks alot guys. the compression on other cyls was 135 to 110. with the common valve seat problems weve ordered a reman set of heads for dirt cheap. i never caught the compression as low as id expect when hot but its got to be the valve or valves not seating.... Trouble codes: 0306 (cyl 6 miss), 0316 (unknown).
2008 Infiniti G37 Sport 3.7L engine VIN: JNKCV64E48
Wow.. you guys are the best.. Thank you all... As everyone stated, the cause was the flywheel. They is actually a mounting position on the flywheel where the crank sensor pick up the signal. We disconnect the crank sensor and start the car.. the vehicle woul...
2002 Jeep Liberty Limited 3.7L fuse VIN: 1J4GL58K52
i checked all the loose ends in the electrical and than took everyones advice and changed ignition switch problem solved thank you to everyone who helped greatly appreciated
2000 Mercedes-Benz CLK430 4.3L windows mirrors trunk
Fixed! Just corrected EIS coding from cabriolet to coupe, took less than 5 minutes total with DAS C3. Systems originally affected: windows,mirrors, sunroof, trunk. All work as they should now.
2003 Mercedes-Benz CLK55 AMG 5.5L running in limp mode VIN: WDBTJ76H73
I feel like a 'rookie' after having been in the business for over 40 years. Thanks to everyone for their input. Sometimes you just can't see the forest for the trees. I had indeed added the ATF to the engine oil which put the dipstick reading way over full ...
1991 Toyota MR2 2.2L No Start VIN: JT2SW21NXM
Thanks to all that replied. I fixed the problem. Like one of you said it had massive corrosion on the power to the coil. I had to remove the junction box to see it. I cut out the bad wire and soldered in a new one. now I have spark. car runs strong. again than...
1998 Toyota Sienna LE 3.0L radiator fans always on VIN: 4T3ZF13C7W
Hey Guys ! it's fixed. BUT - not without aggravation - After swapping all the relays with known good parts, we traced the electrical circuits, via Alldata but - got a "bum steer" -- under Alldata " Inspect no. 1 ECT switch: check for continuity between (th...
2000 Toyota Camry CE 2.2L crankshaft VIN: 4T1BG22K8Y
thank-you to all that replied! I put the gear in a toaster oven in break room, then it dropped right on... the Idea of eliminating the balancer has me curious though. I dont see any problems with the one I have but eliminating it to add durability seems like a...
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