Automotive Technicians Technical Discussion and Fixes for Jun 14, 2016

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	Help Request	Answers
	2005 Audi S4 4.2L cylinder contribution VIN: WAUPL68E35 so, audi guys I need your help here on this one. this is a long time customer of ours from a fleet account of ours, he likes to tinker with his own cars but he did a number on this one, he said all he did was install new cam plug seals. front and rear. it made...	View
	2005 BMW X5 3.0i 3.0L Ac VIN: 5UXFA13505 Odd test results and I hate guessing alone. My thought is expansion valve stuck open? I have one ordered along with a receiver dryer, but seems odd.	View
	2006 BMW 325xi 3.0L Overheats VIN: WBAVD13586 Vehicle came to me overheating after another shop put a used engine in the car. I put a new IBS cable because I was getting a no communication error on the BSD bus. I checked the bus with a lab scope after replacing the ibs cable & battery. I was getting seria... Trouble codes: 2E83, 2DEC, 2E81, 2E8B	View
	1996 Cadillac DeVille Concours 4.6L No Start VIN: 1G6KF529XT Ok this cadillac deville was towed in as a no start been setting for 3 to 4 years. so we put a fuel pump ,filter in for no pressure and all new injector clogged up .we now have pressure but no injector pulse. have been all over car . New crank sensor, cam sens...	View
	1992 Chevrolet K2500 Cheyenne 7.4L stuck in fail safe VIN: 2GCGK29N5N customer from other shops installed new computer , drac , tiss, toss ,vss , prom chip, all wires ohm out good test good at computer, grounds and powers all good, when vehicle in gear looking at data on scanner input and out put and vss start jumping around whe...	View
	2009 Chevrolet Silverado 1500 LT 5.3L latch VIN: 3GCEC23J19 Drivers door won't open from inside or outside. Have loosened door panel from the top as much as possible without damage. Can feel the inside cable pulling on the latch,it doesn't seem to be disconnected. The outside door handle doesn't feel like it is p...	View
	2005 Dodge Ram 1500 ST 5.7L Stall VIN: 1D7HA18D25 This one bit us hard, was towed in, very intermittent loss of throttle, sometimes not able to drive, we correctly diagnosed loss of reference voltage, after careful consideration we replaced the PCM, which did not solve the problem, and after many days of angu... Trouble codes: P2122	View
	2007 Dodge Ram 1500 ST 5.7L No Start, Stall VIN: 1D7HA18207 truck came in on the hook starts & dies some times, no trigger to some coils some coils will fire, have power to some coils & injectors on cranking, no power KOEO on coils or injectors same on asd fuse on scanner. replaced pcm, crank & cam sensors same problem...	View
	2010 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1D7RV1GP5A truck was brought in for MIL on and running poorly , with misfire. pulled codes p0306,p2317,p2050.plugs wires and no. coil replaced at cust. request. upon examination found no pulse width registering on scan tool PID list for cyl. 6 noid light flashing on hot ... Trouble codes: P0306, P2317, P2050	View
	2001 Ford Escape XLT 3.0L Misfire VIN: 1FMCU03111 car came in with a p0301 misfire code but it only misfires on reverse but smooths out in drive those anybody knows whats going on. found the PCV hose was bad replaced it but still misfires in reverse only please help thank you.	View
	2002 Ford Explorer XLT 4.0L timing chain VIN: 1FMDU73K62 Replacing all the timing chains, guides, and sprocket bolts. Having a hard time finding clear cut torque specs for each bolt. Specs I need are for the crank pulley, both front and rear jackshaft sprocket torques, and cam sprocket torques. I don't need directio...	View
	2005 Ford E-350 Club Wagon XL 6.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FBSS31P35 Diesel tech, please help on this bad boy here. Customer come in with a few concern. Check engine light stay on last 6 months. Lately long cranking in the morning & intermittent stall out during freeway driving after car heat up. We drove in a few times, never ... Trouble codes: P0299, P1397	View
	2005 Ford Five Hundred SEL 3.0L ETAC fail mode VIN: 1FAFP24165 Hello all. This Ford 500 goes into fail engine mode for the electronic throttle control. The throttle will not respond while the engine is running. I noticed when you turn the ignition on there was a rattling from the throttle body. Did a visual of wiring harn... Trouble codes: P0061, P2104, P2106 (ff- TAC stuck open), P2112 (ff- TAC stuck closed)	View
	2005 Ford F-250 Super Duty King Ranch 6.0L high pressure oil VIN: 1FTSW21P85 vehicle came into the shop over heating and creating lots of pressure in cooling system. removed egr cooler and vacuum tested, found egr cooler had a massive leak and there was coolant in the intake and egr valve was soaked with coolant. replaced egr cooler an...	View
	2011 Ford F-150 Platinum 3.5L navigation, a/c, radio, running boards, seat memor VIN: 1FTFW1ET6B I run a European car shop and not familiar with Ford. If this was a BMW I would think a JBE or FRM was the problem. So I do hope one of you Ford techs can give me a hand. I just purchased this car and am having some strange electrical issue. At any particular...	View
	2011 Ford E-150 4.6L Hesitation, Misfire VIN: 1FTNS1EW8B Hi, need your help on this one, the van all of sudden running rough, engin is shaking badly. unburned gaz smell very obvious, scanned it and got the code p0201 ingector cylinder 1 open circuit. changed the ingector the bad sell is gone but the engin still runn... Trouble codes: P0201	View
	2013 Ford Escape SE 2.0L Misfire VIN: 1FMCU0G98D Hi all thanks for taken time to take a look at this issue.. Okay maybe a typical issue known to all Ford Tech's . Car drive great no problem with normal driving. If you drive easy to 6000rpm no problem. But do it aggressively then between 4000 and 5000rpm t...	View
	2012 Hyundai Accent GLS 1.6L Throttle return slow VIN: KMHCT4AE3C After cleaning throttle body there was some slight improvement Throttle "hangs"/ very slow to return from moderate/cruise throttle opening. KOEO pedal return feel at pedal also feels slow. There is no perceptible roughness. I just feels like the action is go...	View
	2000 Jaguar XKR 4.0L Electronic VIN: SAJJA42B8Y A quick question for the Jaguar experts. Car came in with codes P1517 and P1632. We checked and found these all referred to a bad neutral safety switch. Ordered the part, put the car up on the lift and couldn't find the N/S switch. Jaguar says it is on the sid...	View
	2005 Jeep Grand Cherokee Laredo 3.7L REAR wiper VIN: 1J4GR48KX5 This Jeep is acting bizar, no rear wiper function, UNLESS you leave the switch on & and start jeep & then it operates, OK, turn switch off & it will not operate the wiper, again. if you turn the switch back on. I looked into wiring schematics they show a relay...	View
	2005 Jeep Grand Cherokee Laredo 3.7L transfer VIN: 1J4GR48K65 vehicle came in with a final drive grind/moan at 35mph on up. ran vehicle on the rack with some loading on the final drive power train and heard the noise coming from the transfer case. installed a used transfer case now the noise is still there. used the chas...	View
	2006 Kia Spectra EX 2.0L No od VIN: KNAFE12166 Im having trouble finding any info on these codes. The fails to go into o/d. Can the pressure soleniod cause the P0733 gear 3 ratio code? Usually when I see that code its a catastrophic failure. But im not so sure now. Any help identifying the issue would be a...	View
	1996 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF12G1T This is a company car, that we sometimes loan out. It registered a closed throttle position malfunction so we removed and cleaned the throttle and air-bypass. The code returned and we replaced the throttle switch. Now the code is gone. However, three of the em...	View
	2006 Lexus IS350 3.5L MIL Lamp on VIN: JTHBE26236 Car was towed in with a no start condition, found fuel pressure sensor shorted out causing no start. Replaced sensor and setting code p1235 for high pressure fuel pump. Car had been at another shop and injector ecu had been pryed open and glued back together s... Trouble codes: P1235 (High pressure fuel pump circuit)	View
	2002 Mercedes-Benz ML320 3.2L Engine Timing Chain VIN: WDC1641862 This ML350 with 272 engine. The engine making laud rattling noise at the right bank during cold start or after sitting for an hour or so. The rattling noise lasted only for a few seconds sounded very much like oil pressure building up too slow. After that the ...	View
	2006 Nissan Titan XE 5.6L Rear Turn Signals VIN: 1N6BA06B96 Got one here that has us puzzled. 2006 Nissan Titan truck came to us with no rear turn signals either side. The front signals work just fine. Noticed a couple things. On the left side rear with the tail lights on, there is a faint glow from the other two bulbs...	View
	2004 Saab 9-3 Aero 2.0L Sentronic Steering Wheel Controls VIN: YS3FH49YX4 Tcm shows that steering wheel controls are functioning. However, no shifting occurs when using steering wheel controls in manual mode. Console shifter functions correctly in manual mode.	View
	2002 Subaru Legacy L 2.5L MIL Lamp on VIN: 4S3BE63592 Still throwing a catalyst code after repairs. Noted yesterday while driving that the fuel trim is normal at idle, but runs at about -16 or -18 at 3500 rpm. Car runs and drives very well. Monitored air fuel ratio sensor and 02 sensor with scope, but not sure wh... Trouble codes: P0420 (catalyst efficiency below threshold)	View
	2005 Toyota Echo 1.5L No Start VIN: JTDBT12305 hello this echo came wit a crank but no starts no code condition, there is no spark and no pulse at the injectors wit the scan tool i see that the engine is starting so the crank sensor is goog all the fuse are good, i have jumped the efi relay swamped the cam...	View
	2006 Toyota Camry XLE 2.4L AC Light VIN: 4T1BE32K86 Hello Peeps, I have this 06 Camry that the AC light is inoperative and compressor fires and stops immediately at initual turn of the defrost switch NOT with AC switch. I have tested powers and ground to control head, tried an amplifier with no fix. MOD has NO ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Audi A8 Quattro 4.2L First and reverse VIN: WAUBG34D2X We finally figured this one out. We had to pull the unit back out and disassemble. There is a valve in the pump. It was stuck just off seat. It was enough to let the pressure bleed off enough to cause the problem. We freed it up, reassembled and reinstalled t...	7
	1998 BMW 328i 2.8L Abs Module VIN: WBABK8324W Thanks guys for the help. I have discovered a control module installed and incorrectly coded to car. car was at dealer and coded a new module and problem gone...	3
	2003 BMW 745i 4.4L Motor VIN: WBAGL63493 Got codes yesterday for both cam sensors bank 2, swapped actuators; no change. Noticed rattling noise from underneath valve cover. Pulled valve cover found timing chain tensioner rail broken. Thanks for all the help	5
	2004 BMW X3 3.0i 3.0L battery VIN: WBXPA93494 Thanks to all that replied, its was indeed the bluetooth/telecommunications module. I unplugged it and started right up after 4 days sitting. Customer picked up no call back for dead battery.	10
	2005 BMW X5 3.0i 3.0L MIL Lamp on VIN: 5UXFA13535 thanks guys right on the money replaced oxygen sensors road tested completed monitors all good thanks!	7
	2000 Buick LeSabre Limited 3.8L Difficult to start VIN: 1G4HR54K3Y First I want to thank everyone who took the time to respond to my help request--too many to thank personally. After much brain torture we discovered that the est in the ignition module does not function during open loop. The original problem was the car was tr...	38
	2001 Chrysler Sebring LXi 3.0L Cuts out VIN: 4C3AG52H01 Quite simply, it requires a factory distributor. The difference in the optical plate between all of the aftermarket supplied distributor assemblies and the one ordered from the Dodge dealer based on the VIN number are incredible. I took photos and copied wavef... Trouble codes: P0340 (Cmp), P0335 (Ckp).	6
	2003 Dodge Ram 3500 5.9L can bus VIN: 3D7LU38C63 Thanks to Gilbert from Mass. He pointed me towards the front control module with fuse assembly. So I started digging deeper checking connections at some point the gauges started working. I still could not communicate with the I-flash, so I still could not prog...	2
	1998 Ford Expedition Eddie Bauer 5.4L High idle VIN: 1FMPU18L1W Even though the TPS voltage was within the range indicated for idle on the ford chart in the DH pinpoint test I noticed that the computer was recognizing it as part throttle. I replaced the TPS and the voltage is still the same at 1.0 vdc, however the engine ...	9
	2005 GMC Yukon XL 1500 Denali 6.0L Electronic VIN: 1GKFK66U45 Thank you for all your suggestions, it ended up needing the actuators. We replaced the mode and left temp. actuators and they now work fine. Will do the recirculation actuator at a later time. It requires removal of the dash and customer is going to wait. I wi...	12
	2003 Honda Accord EX 2.4L No Start, Negative FT VIN: 1HGCM56673 Thanks to all for their input. We had a by luck a 2002 Honda 2.4 in the shop for a clutch. Normal fuel trims etc. so we used as a reference to the 2003 at hand. As we suspected from the wave form for the 2003 we had about 7 Degrees lateness on the timing ... Trouble codes: P1298 (ELD Voltage High - Permanent Code not intermitent but NO MIL).	12
	2002 Kia Optima SE 2.7L Hesitation, MIL Lamp on, Poor Performance VIN: KNAGD12842 Sorry for the long delay but we finally got this one right. The problem is that for just a year or two Kia used 1-5 volt titanium sensor. Others used the traditional 0-1 volt zirconia sensor. This one used the 1-5 volt but all of the aftermarket sensor were... Trouble codes: P1167.	13
	2006 Lexus RX400h 3.3L air bag connection VIN: JTJHW31U86 This one is out the door. All of your responses were great and right on the money. You lift the center yellow connector up with a pick just a little bit @ then the connectors for the airbag pry right off. The connectors on the drivers airbag are the same way....	5
	1985 Mercedes-Benz 500SEL 5.0L hard start VIN: WDBCA37D3F thanks to all that replied. talked to steve in fla. and helped me set up fuel distributer. made vehicle run better overall. still has hard start hot. without testing fuel pressure correctly and proper equipment we decided to send this to a euro. shop.thanks ag...	7
	2005 Mercedes-Benz E320 CDI 3.2L starter VIN: WDBUF26J55 the problem turned out to be the ground control on relay kI.it is controlled by pin 44 from the n3/9 cdi unit..bob beckmann had looked at it before for a ground issue for relay kL which is controlled from pin 58 in the cdi unit.he said that the connections lo...	5
	2012 Mini Cooper S 1.6L Jbe, Radio VIN: WMWSX3C59C This one is going home un fixed. Customer declined to leave us any more time, I suspect CHAMP went bad due to rodent issues, but I no longer can prove it. Thanks for the help!	1
	2002 Mitsubishi Galant ES 2.4L Poor Idle Quality, MIL Lamp on VIN: 4A3AA46G22 thanks everyone for your time. I did in fact have an intermittent defective iac motor. replaced iac again and disconnected battery for 20 minutes and hasn't acted up again, thanks again to all Trouble codes: P0506.	9
	2012 Porsche Cayenne S 4.8L Steering vibration VIN: 92Z9LA3123 We had to release the car as customer needs his car.. Almost all front axle suspension, steering, brake parts cannibalized.. We couldn't solve customer concern.. However thanks a lot for your valuable suggestions..	20
	2002 Toyota Highlander 2.4L MIL Lamp on VIN: JTEGD21A52 Wish I could post a definite fix. We tried to sell a computer but customer denied. We were able to run enough monitors to get him to pass emissions and he was happy with that. Trouble codes: P0420 (Bank 1 Catalyst Efficiency), P0430 (Bank 2 Catalyst Efficiency).	14

(Also Available: All, Asian, Chrysler, European, Ford, GM.)