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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 9, 2018
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Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW Z4 Coupe 3.0si 3.0L Misfire VIN: 4USDU53477
Hi,every one this car from an used auto.sale ,we installed engine for him,but we had start and running problem,she would start and die, with out any code! one of my tech. Was working on it ,accidentally he left air flow sensor disconnected, you not goin... Trouble codes: P0102 (Mass air flow problem)
2009 BMW 535i xDrive 3.0L Unknown VIN: WBAPT73509
Transmission will drop out of gear during hard acceleration. Can move shifter back into drive and continue driving. After a few occurences, 4x4 and DSC malfunction will come up in dash. Only code is a 55C3 AWD limp-home control activated. Research points t...
2009 BMW 528i 3.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: WBANU53549
Vehicle still not fixed. Thought we had it with a restricted bank one converter and upsteam O2. Poor drive-ability and misfiring continues with no codes. Originally Scanned vehicle found codes 29CD\29CF\29CE\29CC All relating to Misfires 1,3 and 2 and 29F4... Trouble codes: 29CD, 29CF, 29CE, 29CC
1999 Cadillac DeVille Concours 4.6L engine VIN: 1G6KF549XX
car brought in for ove revving at an idle i have a p0113 code and a tps so i went ahead an put a tps on it just cancel that out and sure enough that did not fix the problem it also has a fuel sending unit code causing fuel gauge to malfunction at an idle i...
2006 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on
2006 1500 Silverado came in with vent valve code, replaced vent valve with new part. light stayed on, checked power and ground at valve connector. no ground. commanded pcm to turn valve on, no ground sent. checked cont. from pcm connector pin 45 all the way ba... Trouble codes: P0449
2012 Chevrolet Colorado LT 3.7L MIL Lamp on VIN: 1GCHTCFE6C
have replaced fuel pump control module and reprogrammed and have replaced fuel pump but on immediate start up mil light comes on and code p096e is back in scanner. have checked all voltages to fuel pump and control module but all are good. checked grounds ... Trouble codes: P096E
2000 Dodge Durango 5.9L coolant VIN: 1B4HR28ZXY
This is my fun car which I bought new in 2000. Many techs who have attended my electrical training workshops in Dallas have ridden it to go to lunch. I call her "old Faithful." I am losing coolant. If I top off coolant and drive 800-900 miles the radiat...
2009 Dodge Caliber SE 2.0L No Start VIN: 1B3HB28A79
This one is a little scary! Customer had vehicle towed to the shop with the following history: For about 2 weeks they heard an "unusual" noise from the right side of the engine (may or may not be related to the other symptoms). The day it died the gauges w... Trouble codes: P0606 (Internal Control Processor), P061C, P0219 (Engine Overspeed Stored TCM Code), P161B
1997 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTEF08LXV
Customer came into shop with misfire on cylinder 7. Found broken exhaust valve due to contact from improperly installed spark plug thread insert. Replaced head with a reman unit. After installation of cylinder head vehicle runs lean 25% on one bank and ric...
2008 Ford F-250 Super Duty XLT 6.4L Poor Idle Quality VIN: 1FTSW21R68
This truck came to our shop with a rough idle with heavy white smoke but not all the time. The truck runs great on the road. Codes for #2 and #8 cylinder contribution. When we canceled #8 injector the smoke cleared up. Replaced #2,4,6&8 injectors and repla... Trouble codes: P1336 (.crankshaft sensor range performance), P1336 (.crankshaft sensor range performance), P1336 (.crankshaft sensor range performance)
2011 Ford Fiesta SE 1.6L Hesitation, Cuts out, Stall VIN: 3FADP4EJXB
I've got a real winner here guys. I'm stumped. This gem came to me almost a week ago. I have done a lot to this thing next to throwing a PCM in it. Let me start by explaining that the customer came in for a hesitation and or stalling concern. I can confirm...
2014 Honda Civic LX 1.8L No throttle VIN: 19XFB2F56E
Customer complains of sporadic throttle cut out while driving-happens at various speeds and temperatures. The complaint is that the gas pedal does not respond momentarily then works again like normal. No codes and we have checked the obvious stuff and moni...
2014 Jeep Cherokee Trailhawk 3.2L fuel tank VIN: 1C4PJMBS9E
thanks in advance everyone! this jeep will not take fuel. i have made sure that the entire evap system is open or no restrictions,by use of my smoke machine, tried filling tank with all hoses to tank disconnected except filler neck! And finally replaced ta...
2014 Kia Sorento SX 3.3L MIL Lamp on VIN: 5XYKWDA7XE
Car is not under warranty due to second owner. Came in with a P0011 and a P0014. We did a BG oil cleaning and serviced the car. When hot the Bank 1 exhaust cam over and undershoots desired cam position due to what looks like oil pressure loss at lower RPM'... Trouble codes: P0014 (Exhaust Cam Bank 1 beyond desired position)
2001 Mercedes-Benz E320 4Matic 3.2L limp mode , after short drives VIN: WDBJF82J91
Hello Techs, I am looking for some direction here, these codes will set very easily, short drive down the road or stop and go a few times in a parking lot goes into limp and various ways/gears and time during first 1/4 mile before codes set it wil...
2006 Mercedes-Benz B200 2.0L Abs, Esp
Hello Mercedes guys. This my friend's car had wheel bearing noise and he changed it. First time he put it reverse so ordered new OEM one and installed it. Now it has ABS, ESP lights on. ( non flat tire warning light's on too ) Scanner can't read RF WSS. We...
1996 Nissan Altima GLE 2.4L No Start VIN: 1N4BU31D6T
this vehicle has intermittent no start when hot. when cold fires up perfectly. hot it will sometimes long crank and sometimes back kick like timing off. we ha codes for crank cam sensor correlation.and knock sensor circuit we replace distributor first and ...
2010 Nissan Rogue S 2.5L rear wiper VIN: JN8AS5MV5A
2010 Nissan rouge car cam in with rear wiper inop . All fuses ok pull panels ck ground ok. 10volts to orange wire ground on green. check schematic and green should have power to run the motor. Disconect plug at bcm and power up the green wire and the motor...
2004 Pontiac Grand Prix GT1 3.8L No Start VIN: 2G2WP52274
Hello everyone looking for some help with this one don't crank over the safety message is on all time I try to do the key relearn like 20 different times but no help I replaced the key and tumbler and also the ignition switch but same problem , according t... Trouble codes: B2960, B1639
2007 Pontiac G6 2.4L Hesitation, Surge, Cuts out, Stall VIN: 1G2ZF58B47
Speedometer is erratic when sitting still at idle with transmission in park. Engine will intermitantly surge or stall. TCM data is showing VSS erratic. Can unplug alternator or VSS and problem will stop. Replaced alternator hoping to fix, problem returned....

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 Audi A3 Quattro 2.0L Mechanical VIN: WAUKF78P79
I feel so stupid. Well a friend of mine who is the lead diag tech for VW in the area was here and he never heard the noise before either. Well my 67yr old office manager listened to it with me and my friend (who is actually his son also ) he says it sounds lik...
2001 Chevrolet S10 4.3L Misfire, Long crank after hot VIN: 1GCCS14W81
Customer picked truck up declined any testing said he needed the money for something else sorry Trouble codes: P0300.
2002 Chevrolet S10 4.3L volt meter VIN: 1GCCT19WX2
apparently some where prior to the f terminal and l terminal got switched in the alternator connector
1995 Ford F-250 XL 5.8L Noise VIN: 1FTHX26H1S
It is always a blessing to find the "smoking gun"! Went over the engine again with a stethoscope and it definitely seems louder on the passenger (RH) bank, so isolated my search to that side. Performed a cylinder balance test as some of you suggested and this ...
2009 GMC Yukon Hybrid 6.0L No Start VIN: 1GKFK13549
Thanks to all that replied. I found a copy of the [...], performed the steps listed and that solved the no start issue. Without that information this would have been next to impossible to resolve. Many thanks, Mike Trouble codes: P0C76.
2003 Infiniti G35 3.5L timing chain VIN: JNKCV51E83
well we took of front cover and sure enough timing had jumped. no damage too rails. engine interior near immaculate. no sludge and clean shiny metal. customer did not miss oil changes. adjuster a little past half out. can only surmise the oil change place...
2010 Jeep Patriot Sport 2.4L Trans slips hot VIN: 1J4NF1GB9A
Well, the Customer took the vehicle for a 2 hour drive over the same route that initially revealed the problem. The new fluid and strainer seems to have taken care of the problem. Learned a lot on this one, and have some other questions I hope you can all help...
2005 Mazda 3 i 2.0L Poor Idle Quality, Surge VIN: JM1BK12FX5
took many tries but purge valve finally did stick open, touch it and it would shut. also took several times with batt terminals hooked together to get ECM to zero fuel trims
2014 Nissan Altima S 2.5L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1N4AL3APXE
I did not know there were three solenoids in the front of this engine. I initially changed the wrong one. I changed the exhaust cam solenoid, not a fun job. I also changed the oil. I have driven the car close to 100 miles and it has not acted up. Thanks ... Trouble codes: P0014 (Cam Timing Advanced), P0300 (Misfire doesnt always set).
2005 Smart Fortwo Passion .8L No Start
thanks for the reply Luk. this car is not yet fixed. i hoped for more replies and ideas. but from what i gather it's gonna need a gear changer, sensor and perhaps a clutch actuator. something is not letting me sync up the transmission and i have a factory scan... Trouble codes: P2035, P203C, P203B, P202F.
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