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Prev Professional Automotive Repair Technical Discussions for October 9, 2014
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Help Request Answers
2009 Audi A4 Quattro 2.0L engine does not run VIN: WAUSF78K29
we resealed the cam cover for an oil leak. car came back 2 weeks later for an ses light. it was running in our shop and crash bang boom... stalled no restart. diagnosis 20 psi in 1 & 4 and 0 psi in 2 & 3. cylinder leakdown showed bent exhaust valves. removed ...
2000 BMW 328i 2.8L MIL Lamp on VIN: WBAAM5347Y
Hi All, Feeling stumped on this one since I found so many obvious issues to cause the lean codes. The intake air hose was cracked badly, replaced upper and lower. Replaced the oil drain back hose. No change. Customer wanted to replace the balance of the CCV sy... Trouble codes: P1188, P1189
2002 Cadillac Escalade 6.0L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3GYEK63N52
been around and around with this vehicle. completely intermittant. when backing up or driving forward when coming to a stop, vehicle will intermittently stall. Trouble codes: P1515 (Throttle actuator position performance), P0106 (Map Sensor performance)
1988 Chevrolet Corvette 35th Anniversary Edition 5.7L Hesitation, Cuts out VIN: 1G1YY3187J
We have this corvette that is driving me nuts. It will bog down on accell and at time backfire, have swapped maf with known good one and verified timing is on, checked fuel pressure it is with in specs, the only thing i see on the scanner is the block learn is...
2001 Chevrolet Venture LS 3.4L Starting VIN: 1GNDX03E51
This one is being stubborn for this old man. Problem is premature start. Engages the starter as soon as the switch is in the "on" position. After reading the archives I replaced the ignition switch, to no avail, then the n/s switch. Still have the same problem...
2007 Chevrolet Impala LT 3.9L Surge, Cuts out VIN: 2G1WS55R17
Greetings to all recieved this car from local repair shop.when driving this car on local streets the car shuts down and it will restsrt with no problems.i drove this several times and it seems to drop right out on deceleration.feathering the throttle coming to... Trouble codes: P0300
1995 Chrysler Concorde 3.3L Hard start VIN: 2C3HD56T4S
It seems everything has been tested or new parts put in and at the fuel test port it will pressurize to spec at 55 psi but as soon as pump de-energized pressure drops to zero within 5 seconds or so. I am at a loss and an oem pump may be too expensive for custo...
2003 Dodge Ram 1500 Laramie 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1D7HU18D13
Intermittently truck will loose all throttle control (has happened twice to customer, i have not been able to duplicate) idles rough with no throttle response. Each time codes P2106 and P2108 were generated. Research suggested possible cracked intake manifold,... Trouble codes: P2106 (Throttle Actuator Forced Limited Power), P2108 (ETC module performance)
2005 Dodge Sprinter 2500 2.7L Starting VIN: WD2PD74415
This is actually badged as a Freightliner Sprinter. We have a new WSP module and need the encrypted random number generated by FDOK. Although I have an LSID license, that gets me nowhere at this time; I do not have access to veDOC. The Calculation type is "X2"...
2000 Ford Mustang 3.8L Stall VIN: 1FAFP4045Y
need help ford experts on this electronic returnless fuel system. customer says engine intermittently almost stalls at times. has a code for lean on oxygen sensor. was about to sell a b1s1 oxygen sensor but I tested fuel pressure and on my gauge at idle is 30p... Trouble codes: P1131
2003 Ford Explorer Limited 4.6L oil pressure VIN: 1FMZU85W63
There is a "low oil pressure" warning on the dash only with the key on engine off. When you start the engine the warning message goes away and the oil pressure gauge reads in the normal range. The cluster also says "check charging system" for a split second on...
2007 Ford E-450 Super Duty 6.0L boost VIN: 1FDXE45P27
Truck came in with multiple codes, p0299, po403, po405, p0470 and had a bad trans would not shift out of first. after inspection front fins on turbo were chewed up and bearing was bad and trans fluid was black. replaced both the turbo and the trans (from jaspe...
2009 Ford Escape XLT 2.5L Trans fluid leak VIN: 1FMCU93779
About 2 months ago trans fluid started leaking again. We replaced the LF inner axel joint, axel seal, axel bushing. It came in a kit,also a TSB. Customer returned with a leak from same location. I suspected the transmission vent dumping fluid as a possible cau...
2006 Honda Pilot EX 3.5L Misfire VIN: 5FNYF18406
vehicle came back to us running rough and both vtm 4 light and cel back on. found oil in all sparkplug holes. upon talking to customer we discovered that another shop had put head gaskets on 5 mos. ago. we replaced both valve cover gaskets and cleaned out spar... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0305
1954 Jaguar XK120 3.4L No Start
Hi need some assistance from the SU carb techs. This jag has the original SU carbs. It will not start without ether and runs like crap until warm. once warmed up all the way the car runs well. I removed the carbs cleaned them as best as I could found the choke...
2001 Jeep Grand Cherokee Laredo 4.0L fuel VIN: 1J4GW48S21
original customer complaint was running rough at idle. hook up scanner and have no stored or pending codes. no misfires are present on mode 6 (idle or acceleration) have a fuel pressure of 68 psi and running very rich. compression is good. engine vacuum is 17"...
2009 Jeep Patriot Sport 2.4L sunroof VIN: 1J4FT28B29
Problem Patriot leaks badly,I have reviewed the service bulletins on this problem.The headliner is out and I can see water flowing freely into the car between the glass seal and the body.The drain hoses are in place , and clean.It seems like the volume of wate...
2007 Mazda CX-7 Touring 2.3L turbo VIN: JM3ER29397
We replaced noisy variable valve timing actuator (tsb 01-002/08)including oil change, and replaced a throttle body unit. I would have liked to have replaced the chain & guides also, but it was an extended warranty company paying, & we couldn't show any failure...
2001 Mercedes-Benz E430 4Matic 4.3L transmission VIN: WDBJF83J31
This car came in with customer complaining of car going into limp home mode regularly. Scanned and found the following: 110 speed comparison Y3/6n2 to Y3/6n3 is sporatic 147 gear in transmission slips sporatically 118 right rear wheel speed sensor implausib...
2005 Mini Cooper 1.6L shifting VIN: WMWRC33445
Car came in w/complaint of TRANS.stuck. in manual mode. Will shift great manually,stays in 1st codes and I am not familiar with this setup,are there any common issues with shifter,etc
2005 Saturn Vue 2.2L water pump VIN: 5GZCZ23D35
Hello, I have a slight problem where this Saturn has developed a whine in the timing chain area after the replacement of a leaking water pump. We thought the first pump might be defective so we purchased another and the whine is still there. We had the proper ...
1998 Subaru Forester S 2.5L Dash Lights VIN: JF1SF6550W
I have no dash lights. Here is what I've done so far. Power out of the illumination module on the violet wire all the way to the lights in the dash. Dash lights were removed and lighted. Black ground going to illumination module is 12 0hm to ground. Org/wht wi...
1996 Toyota Tacoma DLX 2.7L No Start
have voltage at both terminals at igniter. have fire at injectors. check engine light on. swaped ecm relay. the coil. cam sensor. crank sensor all read with in spec. it will start in about the tenth try. funny thing when I check coil fire at dist it will spark... Trouble codes: P0336
2005 Toyota Camry LE 2.4L Engine
I bought this 2005 Camry with incredibly low miles (52,000 miles) has the worse engine vibration through the car, I assumed it was motor mounts. We replaced the front engine mount (the engine mount at radiator looks like its been there for a week or two, did n...
2007 Toyota Camry Hybrid 2.4L battery VIN: 4T1BB46K97
Hi Hybrid gurus and fellows, It's our first hybrid ever to repair.Customer have MB and want us to take care of his Toyota also. This Camry Hybrid was towed from local Toyota dealer and they can't tell the customer what's wrong with the car. Car can't be start ...
2008 Toyota Avalon XLS 3.5L Generator VIN: 4T1BK36B78
Hello Toyota Techs. Vehicle came in not charging and battery light on. Charge battery and load test, Good. Replace Generator, same problem. Ck pwr from gauge fuse 10amp to generator good. Ck pwr to generator from 7.5 alt-s fuse good. Check output voltage at po...
2002 Volkswagen Jetta GLS 1.8L Mechanical VIN: 3VWSE69M22
hello all friends im having problems with this car. i have a large vacuum pull when you take the ol fill cap will suck your hand in. runs great and does not smoke. Checked every vacuum source, pvc and every possible line any help would be appreicated T...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi A4 1.8L Windows And Steering Wheel Electronics VIN: WAULC68E32
2003 BMW X5 3.0i 3.0L door lock VIN: 5UXFA53583
Thanks to all that replied. Steven helped steer me in the right direction. The handle wasn't hard to pull but the latch was still at fault. We had Alldata and OE wiring diagrams. There were two wires that werent in any diagram that were latch position wires. T...
2002 Cadillac Eldorado ESC 4.6L heating system VIN: 1G6EL12YX2
hello everyone and thanks for all the replies. i ended up flushing the coolant system and back flushing the heater core because it was pretty dirty and wanted to start with clean coolant. unfortunately that didn't solve the problem so i starting checking all ...
2005 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14X35
After a series of testing, I started wiggling wires related to the ignition system and found that when I would move the plug at the coil the engine would smooth out and when I let go it would miss fire and die. I cut the plug off the coil and found a break at ... Trouble codes: U1041.
2006 Chevrolet C4500 Kodiak C4U042 6.6L MIL Lamp on VIN: 1GBE4C1286
Thank you all for your advice, I got a Reman ECM from my local dealer, (it's all they offer) and the truck runs like new. Michael from Florida,I agree completely as my boss's do not. Craig from Georgia,the code came right back after clearing and two ignition c... Trouble codes: P0087, P0088, P0401, P0540, U1041, U1064.
2011 Chevrolet Express 1500 LS 5.3L Spark knock VIN: 1GCSGAF40B
Well I had several good responses, but unfortunate non seemed to be the issues. We tested all of the suggestions some before the responses and some after. After it was said and done the customer called and remembered this van has a 100,000 mile warranty so he ...
2002 Dodge Grand Caravan SE 3.3L Control Module VIN: 1B4GP24302
Thank you for all the great replies, the decision was made to replace the TCM with a unit from Chrysler but hasnt been approved yet , and the van is sitting in the back of the lot for now awaiting an ok. Thank you again for the response to my request.
2006 Ford F-250 Super Duty XLT 6.0L Engine VIN: 1FTSW21P36
Thanks for all the suggestions regarding removing belts, pulleys, torque converter, possible injector faults, and others. We have tried everything suggested along with many others. We believe it to be something internal but at this time have decided to "live...
2010 Ford Focus SES 2.0L temp gauge VIN: 1FAHP3GN7A
Thank all of you for the replies. Especially Mark from Michigan. His reply told me of the common item of all these sensors being the return signal to the pcm. Thought it went to the harness connector by the #4 injector. On this model the wiring went directly t...
2007 GMC Envoy SLE 4.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKDS13S27
LAWDY, Lawdy what a mess this turned out to be...I finally convinced the boss and myself this issue had to be valve related. I did a crude leak down and could here air in the intake at cylinder 5. Told the boss I didn't want to deal with tear down. Too much ot... Trouble codes: P0300 (Random misfire).
2006 Honda Odyssey EX 3.5L inner joints VIN: 5FNRL38646
Thanks to everyone who replied. I took about two weeks to track down a pair of axles that had a pretty good reputation trhough NAPA, but even these took a while to get. These are really hard to get at the moment and I never really got any good explainations as...
2007 Hyundai Accent GLS 1.6L air bag VIN: KMHCN46C87
The problem is in the seat as everyone has indicated but I am unable to get a matching one at this time (pin config or plug shape) I will definitely advise when completed.
2005 Infiniti G35 X 3.5L R/F Axle
This vehicle is fixed. It is a lot easier to get the clip in than out. I went in the differential w/ the straight up and down. Then just tilted it with some needle-nose pliers, and pushed it straight back into its machine groove in the differential. Axle c...
1997 Jaguar XK8 4.0L Stall, no acceleration VIN: SAJGX5749V
sorry this took so long to close. we had to wait for customer approval and decisions. as noted earlier we changed throttle body and got an improvement in performance, it would now idle. but still seemed to lose acceleration at times. and then more codes w... Trouble codes: 0335 (crank sensor), 0340 (cam sensor).
2008 Mitsubishi Eclipse SE 2.4L Inj Pulse Coil Pulse Fuel Pump Pwr VIN: 4A3AK64F28
the immobilizer module was bad. disabling the fuel system. thanks for all the help.
2005 Nissan X-Trail LE 2.5L Poor Idle Quality, MIL Lamp on VIN: JN8BT08V65
I have opened the upper front cover and i see that the chain tensioneur are at the end of the shaft so the timing chain is streched and it need a new one .but the owner dont want to do the repair for the moment. Trouble codes: P0011.
2000 Saab 9-5 SE 3.0L water pump VIN: YS3EF48Z4Y
Thanks for your replies. Tapping the water pump out with a hammer to the pulley flange was the simple way, I tapped it a few times with a hammer on the front side, the placed a screw driver blade in the small opening created and tapped the back side of the pul...
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