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Prev Professional Automotive Repair Technical Discussions for July 4, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
2002 BMW X5 4.6is 4.6L air suspension VIN: WBAFA92000
Hello fellow tech I need help with this car I need to take the rims of the vehicle but the car has air suspension is there anyway I can cut the pump off so it would not pump excessive air into the system and damage the suspension air bags any help would be gre...
1999 Chevrolet Blazer 4.3L a/c VIN: 1GNDT13W6X
hey folks,i am at a loss with this thing!when the ac is on it still blows hot air no cold at all,we have replaced the heater control and both sensors in the air ducts and still the way it has the computer controled climate system.any ideas would be ...
2002 Chevrolet Astro LS 4.3L Misfire, MIL Lamp on VIN: 1GNDM19X82
Vehicle came in for a CEL and misfire. The misfire was on cylinder 1. Performed compression test, Lab scope, leak down,checked crank sensor, MAF, Fuel pressure, switched injector to another cylinder with no change. Removed head and had head checked. Found a ti... Trouble codes: P0300
2006 Chevrolet Cobalt LT 2.2L Pass Key III + (no start) VIN: 1G1AL15F76
I purchased this vehicle as a bank repo with a dead battery and without keys or electronic key fob. It has the PASS KEY III + security system. I have fully recharged the battery (the radio still has it's memory and works fine) I have had a new Master Key cut f...
1994 Chrysler Concorde 3.3L No Start VIN: 2C3EL56T4R
I thought i had this one fixed i had a post on this last week the car came in with a skip #1 coil driver was grounded replaced computor skip was gone but car bucked and cruise light flashing replaced cam and crank sensors all was well two days later the car ge...
2001 Dodge Durango 4.7L No Start VIN: 1B4HR28N11
Happy 4th iATN family. I have a 2001 Durango that I'm not very familiar with. It will turn over but won't start. When you turn on the key the volt meter sits at zero and the fuel gauge says empty. The customer says it has plenty of gas. He added 5 gals thinkin...
2000 Ford Mustang 3.8L brakes VIN: 1FAFP4442Y
Hey guys and gals, Looking for some help on this one, it seems pretty simple but is realy beating me up. This is our service writers wifes car and it came in for front and rear brakes. I installed new rotors and pads in the front and the rear and pressure blee...
1980 GMC C1500 5.7L No Start VIN: TCZ14A1540
We've got this old Chevy with a no start problem. Originally it was an intermittent no start/hard start back in winter. Now it was towed in as a no start. Temps here have been in the 80-90 degrees F all week, so glow plugs aren't coming on for long, but should...
2003 Honda Pilot EX 3.5L pinging VIN: 2HKYF18553
I have a 03 pilot with a intermittent pinging when the ambient temperature is above 30 celcius. Its a pass down diag. but I did list the previous attempts to repair. I have heard the ping under load. I would appreciate some direction. My egr lift reaches 80% u...
2002 Land Rover Freelander SE 2.5L engine VIN: SALNY22292
Hello everybody! Again having problems with weird Land Rover here. It is a Freelander 2002 v6. All thre t.b. are missing. Can`t get enough info from alldata or mithell. Can anybody tell me where to find camshaft timing tools for a reasonable price? I looked at...
1995 Mercedes-Benz E320 3.2L No Start, Cuts out, MIL Lamp on VIN: WDBEA92E9S
this car owner is to the point to sale his car because had been to two repair shop and delar that make him pay $ tell him they couldn`t fine any thing wrong. most of the maine parts had been canged i removed engine wiring harness and checked out good no ... Trouble codes: 9 (injector cylinder one open circuit or short to ground)
1996 Mercedes-Benz E320 3.2L Backup lights VIN: WDBJF55F7T
Maybe some of you fellow Benz guys have seen this problem before. Backup lights are staying on whenever the key is on, engine running or not. If I put it in reverse, they get brighter, any other gear selection, they are lit, but a little dimmer. Looked at the ...
2002 Mercedes-Benz C180 1.8L Mechanical VIN: WDB2037462
Hey MB tech's Real weird one here.The customer is a friend of mine. He went to a European specialist & got stuck for $1700. 2 weeks after the service, the vehicle started to misfire. He went back to the workshop who told him that he had lost compression in No4...
2001 Nissan Sentra GXE 1.8L no power VIN: 3N1CB51D01
This vehicle came in with a no power, poor acceleration, bogging complaint. It acted like a resticted fuel filter. The filter on this vehicle is located inside the fuel tank. I replaced the filter with no improvement.If you accelerate hard the vehicle bogs and...
1996 Pontiac Sunfire SE 2.2L Excessive Emissions, Poor Idle Quality, Misfire VIN: 3G2JB5240T
hi, techs.I have this 96 sunfire run very rich .I disconnect the alternator field wire, the car runs good all data normal. I replace new gm alternator it does the same thing run rich,disconnect alternator wire it runs good again .I measure alternator ac volts ...
2000 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 1G2WR5218Y
The car came to our shop with a miss under heavy load especially when the supercharger kicked in. Apon visual inspection we noticed the front three wires were arching so a complate tune up was preformed. The car left all was well. Three days,100km later the mi... Trouble codes: P0300
1989 Saab 900 2.0L ign, switch VIN: YS3AW76L1K
We replaced the key cylinder in this saab and now when you turn the key to on the car starts and starter stays on before you get to the run positon. Nothing in this looks adjustable. I think I have wires crossed somewhere but can't find a good wireing diagram ...
2001 Volvo S60 2.4L Compressor VIN: YV1RS61NX1
This is my wife's car so you can imagine how much I hear about this one. The problem only occurs on days that are above 90 degrees. I have had gauges connected when the problem occurs and it is not a pressure issue. Pressures are perfect. I have tested every c...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet G30 Chevy Van 6.5L No Start VIN: 1GCGG3516R
Thanks to those who offered their input. The pump from the 96 van is the same as the 94, both DB2 models. The switch wasn't too bad. You take off intake and lines from pump, undo 3 nuts holding pump to timing cover, remove oil fill tube from front and through ...
1994 Chevrolet Caprice Classic 5.7L Programming VIN: 1G1BL82P9R
I did a lot of research on this one and decided to go with Street & Performance. They seemed a lot more helpful than Howell, especially after I told Howell that I was going to use the GM harness instead of theirs. The other thing that bothered me about Howell ...
1998 Chevrolet Malibu 3.1L ABS Module VIN: 1G1ND53M9W
As mentioned this car had the ABS module and computer swapped. However, it appears that there was some residual corrosion in the wiring harness to the computer. The original unit was corroded quite badly and we thought that we had cleaned the harness well. Whe...
1998 Chevrolet K1500 Cheyenne 5.0L Misfire, MIL Lamp on VIN: 2GCEK19M2W
well i finally figured it out, thanks for all the replies. as i said the truck ran better if i turned off the egr with the scan tool (mastertech) or if i unplugged it, be warned that will only fool you. by doing that it backed off timing 6 degrees so i did the... Trouble codes: P0300.
2000 Chevrolet Corvette 5.7L starting VIN: 1G1YY22G9Y
Well, after checking and double checking power and ground circuits, opening all connectors behind the battery, and checking all pins, we opened the BCM, box and plugged "er in. Immediately we had all circuits that didn't work before. We did have to leave t...
2000 Dodge Grand Caravan SE 3.8L iod VIN: 2B4GP44G6Y
Almost all who answered were correct with location of component circuits, however, I have not been able to get the vehicle back in my shop to determine what is using current. I will post a follow up when I get the unit in. Thanks to all that contributed to h...
2004 Dodge Ram 1500 Truck ST 5.7L Insterument cluster VIN: 1D7HU18D74
Thanks to all that responded to my problem. I pulled the ABS connector off and found it green with corrosion cleaned it and put it together and the gauges worked fine.
1998 Ford Explorer Sport 4.0L cv joint VIN: 1FMYU24X3W
First I would like to thank all of the techs that took the time to offer assistance. It is too easy to just have the customer throw money at the problem. I was really tempted to just have her toss another 500.00 at the problem and buy a new one. On the other ...
2001 Ford Escape XLT 3.0L suspension steering VIN: 1FMCU04161
This vehicle is gone to the other end of the country won't be seeing him for a bit, problem still there, haven't had a chance to check out some of these posts mainly the ones on the tsb for rear shock towers and rear shocks, apparently sounds like front. sway ...
2003 Ford Territory 4.0L Limp Mode VIN: 6FPAAAJGA3
Thanks again everyone, all your ideas were great, although I had already tried them all. All I could put this down to was a bad TCM. Had the ZF 6 people send me out a new TCM and Valvebody (they are one unit). Fit it, filled the trans, etc. Road tested and was... Trouble codes: P0605 (Internal Control Module Read Only Memory ROM Error), P0701 (Transmission Control System Range/Performance), B2681 (PRNDL Sender Failure).
2003 GMC Sierra 2500 HD SLE 6.6L hot re-start problem VIN: 1GTHK291X3
I was advised by one submitter that there is a check valve in the fuel filter housing that malfunctions quite often. I did replace that part, with no change in the concern. I have since advised the owner (my boss) that the truck needs new injectors, but he has...
2002 Jeep Grand Cherokee Limited 4.7L No Start, Cuts out VIN: 1J4GW58N72
I would like to say thanks to all of the replies the truck was sent to jeep my service maniger did not wont to put in any more time I did hear back from them and found that thay replaced both crank and cam sensors both converters and thay checked timeing and f... Trouble codes: P0320 (no crank reference), P0340 (no cam signal at pcm), P1299 (vacumm leak found / iac-fully seated), P1389 (no asd relay output voltage at pcm).
2002 Kia Sportage 2.0L No Start VIN: KNDJB72332
Well you guys were right. It was a good old fashioned short.The harness rubbing under the dash by the heater box and rubbed against a bolt. Thanks for all the help, the diagram I was looking at didn't seem clear until i read the symbols chart. Thanks for al...
1975 MG MGB MK IV 1.8L Poor Idle Quality, Misfire VIN: GHN5UF3770
Thanks to all that offered help with the firing order question posed. I want to especially thank Ed [...] and Tony from Queens for the extra info. The MG is back on the road with a happy driver, Bob.
1994 Nissan Sentra E 1.6L Excessive Emissions VIN: JN1EB31P5R
Hi to all the great techs out there that took the time to read my post and happy 4th of July too! Well we certainly did beat this horse to death! We went back and confirmed all of our previous tests, including lab scoping injector waveforms..comparing them to ...
2000 Nissan Maxima GLE 3.0L battery light, park brake light, VIN: JN1CA31A4Y
Well folks...I have replaced the alternator as suggested by most and have been waiting for feedback from the customer. I have just been informed by the customer that all is good. He hasn't seen either light in over a week. I don't really understand how it aff...
1991 Toyota Pickup DLX 2.4L Can't bleed brakes VIN: JT4RN01PSM
Guys, I finally got it fixed afte 4 rebuilt master cylinders, I went to a junk yard got a used one and fixed it.
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