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Prev Professional Automotive Repair Technical Discussions for May 23, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Chevrolet C3500 Cheyenne 6.5L timing marks VIN: 1GCHC33F4R
Hi, chevy diesel techs I have one question regarding the timing, I'm putting this engine back together and mitchel does not mention wether to move the crankshaft 180 degres to aligt I do have my chain installed and the crank to cam marks aligt as per mitchel b...
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1997 Chevrolet C1500 Cheyenne 5.7L Delayed Shift and a no start VIN: 2GCEC19R6V
This is my next door neighbors truck who doesn't speak English very well. He states he was driving along and the transmission had a delayed/harsh shift and the check engine light came on. He brought the truck home and tried to start it the next morning and it ...
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1999 Chevrolet K2500 5.7L Excessive Emissions, Cuts out VIN: 1GCGK23R0X
Hello I need some input. Customer brings his truck in after installing rebuilt engine he bought truck not running. Falls on its face under load I check cam retard per request at -13 , adjusted to 0 . no help customer has replaced all fuel system including spid... Trouble codes: P0138
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2003 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 3GNFK16Z73
Hey you GM guys, Need some help on this 03 Chevy Suburban, Starts hard and is running on 4 cylinders (#1,#3,#5,and #7)also sounds like a diesel when it idles, no codes, Just need some direction as to were to start, Hoping someone has had a similar problem and ...
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1995 GMC Sonoma SL 2.2L Excessive Emissions VIN: 1GTCS1449S
this truck has high nox reading at 15 mph, the coolant temperatrue is 190'f, the fuel pressure are little high, the lambda are 1.035. af ratio 15.22, it's little lean, i double check the vaccum and exhuast twice, measure there no leak. thanks every one read th...
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2001 Honda Accord EX 3.0L Misfire VIN: 34G3G3G435
this car came into our shop today with the brakes sqealing and cruise control not working from a previous repair. during the test drive we notice a sudden loss of power and missfire. engine light on. we scanned first pulled codes for #1 and 6 missfire then aft... Trouble codes: P0302, P0304
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1987 Jeep Cherokee 4.0L engine VIN: 1JCWL7831G
howdy, this jeep came into the shop as a "cranks but wont run" I checked fuel psi and spark, both ok, when cranking the engine didnt sound quite normal for one of these, so i was thinking it might have a loose or jumped timing chain so I went to checked the co...
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2003 Land Rover Discovery HSE 4.6L a/c controls VIN: SALTP16463
I have a 03 dicovery it has dual climate control. the drivers side works fine hot to cold.the passenger side does not switch to cold,the air temp motor on passenger side is moving,but is it moving enough?Has anybody seen common problems,the next move is to pul...
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1993 Lexus LS400 4.0L Hesitation, Misfire, MIL Lamp on VIN: JT8UF11E6P
Lets make this short being Memorial Day weekend and all. I'm stuck here trying to figure this out, suppose to be close. This all started last week. Vehicle was towed in complain of lack of power & excessive smoke coming from tailpipe. First shop tried to sell ...
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2001 Volkswagen Golf GLS 1.8L Mechanical VIN: NO VI
This car have engine 1.6l , the problem is that the oil pressure light is turning on. at 2500 rpm. i put oil pressure gauge instead of the oil pressure sender and checked the pressure when the engine is cold and idlling the pressure is 3.5 bar. when it goes t...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A6 2.8L exciter wire VIN: WUADA2YB9X
Thank you for the quick verification.The alternator was wired correctly.Terminal L is the correct one for this model year. Five minutes later I found the real issue.The New battery that was installed by the other shop was defective,they forgot to check basi...
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1997 Cadillac DeVille 4.6L No Start
THIS IS A SHOP THAT NEEDS TO CLOSE DOORS... VIA ALOT OF GOOD SUGGESTIONS.. I FOUND MANY INSTALL MISTAKES CORRECT 7 ...STILL NO FIRE. COUPLE SUGGESTED TO CUT CRANKS WIRES ONE AT A TIM [...] THOUGH..I S...
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2001 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E31
What we had here was a case of bad gas!! I checked the fuel from the volume test and it was very yellow and felt almost like brake fluid. I had pulse, spark, and good fuel pressure. I pulled out the pump sucked out all of the gas I could and added fresh gas an... Trouble codes: P189.
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1998 Chrysler Sebring LXi 2.5L driveability VIN: 4C3AU52N5W
After trying all the hints given ,nothing seemed to hit the nail on the head. And the customer unfortunately could not afford any more diagnostic time spent with this problem.So i'll have to say gone and still broken ,would have liked to have found the problem...
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1999 Dodge Caravan 3.0L Poor Idle Quality, Hesitation, Surge, Stall VIN: 2B4FP253XX
Thanks for all your help. We were unable to fix this thing, the flywheel/tone wheel was not cracked, and egr blocking didn't help as well. With us being a school, we don't have the latest and greatest equipment. We took it on because it fit our Engine Performa...
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2007 Ford F-150 XLT 5.4L air bag VIN: 1FTPW14V07
thanks to the members that took the time to reply to my help request - i made a mistake when i typed in the scanner code - it should have been b2296 instead of b2292 - the information provided by dave [...] was exactly right - i ran a new ground wire from the ...
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2004 GMC Yukon SLE 5.3L Power Seat/Heated Seat VIN: 1GKEK13Z04
After a little more homework, including replies to my post, it was determined that this module does need to be programmed/calibrated using a download from GM through the Tech II. The parts dept. of the local dealer was unaware of this procedure and therefore ...
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1996 Honda Passport EX 3.2L Antitheft and alam VIN: 4S6CM58V2T
Hi again and thanks for all your help! I talked to the customer and found out that it had an aftermarket alarm and remote start installed. I finally just disconnected the alarm and the vehicle started. kinda a simple fix but spent allot of time trying to figur...
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1998 Honda Accord EX 3.0L timing belt idler pulley bolt VIN: 1HGCG2258W
after reading everyone's advice, I decided to repair it the proper way. Had to drop the entire engine/trans assembly about 6 inches to get a straight shot at the broken bolt but it drilled out rather easily and helicoiled it with two inserts. Just got it sta...
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1989 Mercedes-Benz 560SEL 5.6L Poor Idle Quality, Stall VIN: WDBCA39E7K
Thanks to everyone who offered great help. After some effort I decided the problem was beyond my experience and equipment to find. I took it to iATN member, German Auto Service in Saco, ME. They found using their Diagnostic scanner that the EHA (fuel distribut...
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1997 Mercedes-Benz C230 2.3L no shift, limp mode VIN: WDBHA23EXV
Thanks for the help, some of you nailed the problem on the head, it was the rear speed sensor in the differential that was the culprit. It had an 'alright' waveform, but after installing the new sensor the waveform was 'perfect', amazing what a difference a ne...
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2000 Mercedes-Benz SL500 5.0L pt and pw VIN: WDBFA68F3Y
Hey guys,we didnot fix this car for we do not have the nessecary software to work out all top codes and make sure all switching was in the proper place to diag this top problem.The only place available in our area is the dealor and they have had the car the tw...
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1996 Mercury Sable GS 3.0L monitors not ready VIN: 1MELM50UXT
The problem was in ECM ground Ground wire was partially broken when damand to was sent to EGR solnoid it would only allow a slight amount of vacuum to EGR valve After I repaired the ground. the system started working correctly Thank all who replied Bob M...
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1994 Nissan Quest GXE 3.0L MIL Lamp on VIN: 4N2DN11W3R
THANKS TO ALL REPLIES! WELL THIS VEHICLE HAD A PROBLEM WITH VSS INTERMITTENT VSS SIGNAL CAUSED PCM TO NOT TRIGGER EGR SOLENOID THIS EGR SOLENOID ONLY WORKED WHEN PCM GETS VSS SIGNAL THANKS TO ALL GUYS! Trouble codes: 32 (egr system malfunction).
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2000 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28T8Y
turns out the valve on the canister sticked from time to time. Very intermitantly replaced and haven't seen the truck again. (at least not for this) Trouble codes: P0450 (ecsp sensor).
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2003 Pontiac Vibe 1.8L Warnng lamp VIN: 5Y2SM62833
Not much help here I'm afraid. Thanks to Brian for suggesting disconnecting the lamp control wire from EBCM to IPC to eliminate an IPC issue. The EBCM is keeping the light on until car moves, as if doing a system check that needs speed input to complete. But I...
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2005 Porsche Cayenne Turbo 4.5L Coolant pipes VIN: WP1AC29P15
So despite the fact that my local Porsche dealer didn't know it - there IS an updated kit from Porsche that allows you to replace the lower coolant pipe with the engine in the car. You cut the old plastic pipe, remove it, and then install a two-piece metal pi...
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1994 Toyota Camry XLE 3.0L cam seals VIN: 4T1GK13E9R
ok this one is for the books ive been a toyota tech from the corona days and have never run into this problem called 4 dealers with no help car was purchased new by owner and had 1 t belt put on at dealer in danville va left bank cam seal looked as if ...
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