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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 7, 2019
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi TT 1.8L No Start VIN: TRUSC28NX2
This TT came to us as a crank/no start issue. We verified: fuel pressure (41PSI) injectors firing coils/plugs produce good spark Compression : 155#-160# on all cylinders Leakdown loss less than 7% on all cylinders Timing components good a...
2007 Audi Q7 Premium 4.2L no power VIN: WA1BV74L57
When turning the key on only the srs light comes on. the key is difficult to remove. when u turn the key off there is 5 warning lights illuminated. It won't start and nothing works. I suspect the access/ start module or switch. don't know much about Audi's...
2007 Chevrolet Silverado 1500 Classic LT 5.3L does not work VIN: 1GCEK19Z47
No trouble codes. All the cruise switches seem to be working according to the scan tool. Vehicle speed sensor working. Anything else I could check ? When I look at data for the TAC it has a stop pedal switch pid that always reads released even if I step on...
2010 Chevrolet Camaro LS 3.6L No Start VIN: 2G1FA1EV5A
hello all-this camaro came to me from another shop. no start. no communication i was told. pushed it into my bay and turned the key on and had a check engine light. i was also able to communicate with all modules. well several key cycles later the c.e. no ...
2014 Chevrolet Malibu LT 2.5L No Start VIN: 1G11E5SL9E
This vehicle came in for a MAP sensor problem. After sensor replacement MAP code did not come back. After repair the vehicle would crank, but would not start. Tested for fuel pressure, 70psi. Tested for spark, spark present. Pulled all system codes. Only o...
2006 Dodge Durango Adventurer 4.7L No Start VIN: 1D4HB48N06
truck ran just had overheated,now no injector pulse,have spark will run if spray fuel in intake g100 and g114 are attached .what am I missing ?//
2004 Ford Explorer Sport Trac XLT 4.0L Hesitation, Cuts out, Stall, Misfire VIN: 1FMZU77K04
I need help with this one we have replaced the plugs wires and coil for a misfire. Than the truck came back with the same complaint so we rode with the customer and after about 10 minuets of driveing it looses power and falls on its face. When this happens...
2005 Ford F-550 Super Duty XL 6.0L No Start VIN: 1FDAX57P55
This truck originally was towed in with a crank no start complaint. There were codes P0611 fuel injection control module performance and P1378 FICM supply voltage circuit low. I also noted that the injectors made no noise when the key was to the on/run pos... Trouble codes: P0611 (FICM performance), P1378 (FICM supply voltage circuit low)
2010 Ford Explorer Limited 4.6L cooling system VIN: 1FMEU8F8XA
Vehicle runs & drives normal cooling system cht 229f. A/C works fine & cools fine untill the vehicle starts going. The temperature stays normal untill you are driving the vehicle, then the temp gauge starts rising [ONLY WITH A/C ON] shut the A/c Temp drops...
2013 Ford F-150 FX4 5.0L Fresh air intake VIN: 1FTFW1EF5D
Has vigorous airflow from HVAC vents in recirculate, but minimal flow otherwise (less than 20% as much). Modes and blower operate properly. Air mode actuator on scanner reads 0% whether on fresh or recirc, but clearly is moving the recirc/fresh door. I sus...
2015 Ford F-150 XLT 3.5L charging system VIN: 1FTFW1EG6F
This vehicle is from our used car lot, they got it from auction so there is no real history. Had a P0562 low system voltage code in history when it arrived. It will intermittently set, have only caught it at idle, with accessories on. The problem I'm havin...
2012 Ram 1500 ST 5.7L engine VIN: 1C6RD6FT5C
Hello. I got a ram truck that wiped the exhaust lobe of the #3. The truck ran but misfired on that cly. I put new cam and all lifters in this engine and they were all mopar. Now it won't start unless you are holding down the pedal and it runs like crap and...
2009 Subaru Outback 3.0 R Limited 3.0L Radio VIN: 4S4BP85CX9
My testing lead me to the fuse under hood fuse block fuse #8 to be the source circuit. Further testing found when power wire A67 at the radio connector i26 was unpinned. Now the draw on battery dropped to .026ma. I at this point condemned the radio assembl...
1997 Toyota Camry CE 2.2L Cooling Fans VIN: JT2BG22K7V
New owner of car came in, says car overheats and fans only work when A/C is on. When I brought it in it was already at normal temp, both hoses felt hot, coolant was rusty looking and fans operating with A/C on. I did a chemical block test which showed no h...
2003 Toyota 4Runner SR5 4.7L Shocks & Struts VIN: JTEBT14RX3
This is my daughters 4 Runner & it needs front struts & rear shocks. I am leaning towards putting OEM Toyota front struts, coil springs mounts & rear shocks back on it & it has the X-REAS Suspension. What do I need to know to replace this hydraulic susp...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2015 Mercedes-Benz C300 4Matic 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 55SWF4KB5F
Replaced drive plate and pulse ring. Found pulse ring was not fit to crank hub correctly and with enough torque would walk and change the signal slightly. after repairs signal stayed steady and stronger waveform present. Trouble codes: P3390, P3390.
2002 Toyota Avalon XL 3.0L compressor VIN: 4T1BF28B12
Thanks for the replies...suggestions included rpm sensor, ambient sensor and evap temp sensor and pressure sensor. The fix was a broken wire from the pressure sensor to the ac amplifier/ upper control panel. the wire is blue/ red and it was broken inside the i...
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