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Prev Professional Automotive Repair Technical Discussions for December 16, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1999 BMW 740i 4.4L chassis
The car came in with a noise and vivration. It ONLY does it at 38 to 42 mph , in 5th gear (drive) and on slight acceleration . If you can find a section of the road with moderate incline the condition is very persistent. At this point things are pointing to t...
1999 BMW 540i 4.4L alarm VIN: WBADN6339X
Siren (alarm horn) will go off for about 20 seconds randomley. This will occur after the alarm is DISARMED, when opening or closing a door or the trunk or even while driving. There are no faults in the GM and nothing in the alarm counter. Also the siren will g...
2003 BMW 325i 2.5L MIL Lamp on VIN: WBAET37493
Hello BMW Techs This car came late friday night, hooked up the scanner x 431 and found the described above engine codes plus these codes EWS3= power on reset, SRS# 80 no description, LCM/LSZ #19 no description, #0 no description,also when I tried the I scan sc... Trouble codes: 1D, 1, 14, 29, 60 (undefined), 1D, 1, 42, 29, 73 (undefined), 1D, 1, 42, 29, 74 (undefined), 1D, 1, 42, 29, 61 (undefined), 2742 (misfire detection cylinder 1), 1D, 1, 42, 28, 92 (undefined)
1997 Buick Riviera 3.8L supercharger VIN: 1G34BG7W1G
customer came to me with oil leaks repaired oil leaks, and about 2 months later came in with no supercharger belt. replaced tentioner and installed new belt. i hear a whine that sounds like a power steering pump. came back a week later with complaint and i rem...
1991 Chevrolet C1500 Cheyenne 5.7L Heater core VIN: KOME191633
After installing a new water pump and new coolant, I can hear a gurgling noise coming from the heater core when accelerating. This is my personal truck that I drive every day and I have never heard this noise before I installed a new water pump and new antifre...
1996 Chevrolet S10 LS 2.2L Misfire VIN: 1GCCS1946T
This vehicle was brought in with No. 4 injector leaking gas. Put No. 4 injector in, was leaking fuel out, so I replaced it. The customer called me a week later, said the truck was missing at idle, and runs down the highway fine. I've checked the fuel pressure ... Trouble codes: P0300
2004 Chevrolet Aveo 1.6L Electronic VIN: KL1TD52694
I am having a problem with transmission after changing engines in this car. After installing engine, then going for test drive service engine light came on. I connected my otc genisis scan tool and code p0700 code transmission code is there. I have no book on ...
2005 Chevrolet Silverado 2500 HD 6.6L Hesitation VIN: 1GCHK29275
Hello group, This truck belongs to a good friend of mine and although it is still under warranty he is going out of his mind because the dealer has not been any help. Since new he has had to replace the fuel filter every 2-3k miles!!! The truck loses power so ...
1996 Dodge Intrepid 3.5L No Start, NO SPARK VIN: 1B3HD46F4T
car towed in-performed quick check-found fuel pressure in spec. timing belt ok--no spark--stuffed a crank sensor in it with not much diagnosis, as i have had several intrepids with faulty crank sensors. did not fix. checked fault codes and data line, cam, cran...
1995 Ford Taurus GL 3.8L No Start, Surge, Stall VIN: 1FALP5747S
no start in morning cold- no start in garage until foot on accelator pedal. idles fine when started then starts to surge in park & drive. MAF has ben cleaned, values of that goes all over depending on engine speed. disconnected MAF & did not make a difference....
1996 Ford F-350 XL 7.3L heater VIN: 2FTHF35F5T
this truck came in for no heat. i put a new t-stat in and took it out on the eway. after a 15 mile trip at 70mph, i am only getting 93 deg temp on top hose and 135 and 139deg on the heater hoses.i figured that the fan clutch was not releasing,allowing any heat...
2003 Ford F-450 Super Duty XL 6.0L rocker arms VIN: 1FDXF46P03
This truck came in for not running. thier was no oil press. I replace oil pump and oil cooler. oil press is noe 45 psi low side and 670 on high side @ idle. I performed a koer no codes. I went to test drive and only mad it 500 yards when a code p0278 cylinder ...
1996 GMC Safari SLE 4.3L No Start, Cuts out, Stall, MIL Lamp on VIN: 1GKDM19W9T
car came in for cranks wont start. had low fuel pressure 10psi. replaced fuel mod. went on test drive and car had no power, found cats had 6 psi back pressure. replaced cats. also found acid was coming down on engine harness near pcm. ate up a couple of wires.... Trouble codes: P0339
2004 Lincoln Navigator 5.4L suspension bags VIN: 5LMFU27R74
Vehicle air susp compressor lifts vehicle to correct trim height and maintains this setting during operation, lowering correctly to kneel trim with KO and driver's door opened. However, when left overnight the bags collapse. Bags rarely fail-my parts tech w/ t...
1996 Mercedes-Benz S320 SWB 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: WDB1400332
This car came in with a problem of rough idle, surge with back firing from the intake system every first start in the morning. But the problem go away after the first rough start..and will continue in good condition for the hold day. Funny thing is that if we ...
2003 Mercedes-Benz C230 Kompressor 1.8L Hesitation, MIL Lamp on VIN: WDBRN40J63
Vehicle came in for Check engine light on, I have code P1105 and there is no description for the code. On line demand did not have the description for the code, Alldata is the same way and I do not have the manual for the vehicle. Does any one have the descrip... Trouble codes: P1105 (manufacture code- see service manual)
2001 Mercury Grand Marquis GS 4.6L Hesitation, Misfire, MIL Lamp on VIN: 2MEFM74W01
cust. brought in car complaint mil light. checked the car out only one code p0301 cyc. 1 misfire,removed coil and plug and checked cyc. comp. it is 120 psi. along with all the others on that bank. replaced all plugs and the coil on cyc. 1 clean fuel sys. and r... Trouble codes: P0301 (misfire cyc 1)
2004 Mitsubishi Endeavor Limited 3.8L Air Bag Lamp VIN: 4A4MN41S14
The Air Bag lamp is on and at first we had no comm with module checked powers and grounds ok replaced module with new factory module and now we have a code 34, which in Mitchell says connector at module not latched check connector and if latched replace module...
1993 Toyota Pickup 2.4L temp Gauge VIN: 4TARNOIP5P
Hi all, i installed a reman 22re in this truck and now temp gauge is inop. The the truck runs and drives good, no other problems other than temp gauge. Cust. said gauge worked befor eng. quit. (huuum) any way, coolant temp sensor checks out good, Ecm temp sens...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Chevrolet Caprice Classic 5.0L rotors/calipers VIN: 1G1BN53E4M
Sorry for not closing this one earlier;it kinda got lost in the shuffle while on vacation in Costa Rica! I appreciate all the good info on the brake problem. The fix seems to be that the front brakes were overworked by the rear brakes not working which were co...
1999 Chevrolet K1500 Suburban 5.7L Blower Motor VIN: 3GNFK16R5X
Well, thanks for all your suggestions, the biggest problem I had was that I was never able to duplicate the problem. Most of you thought that the blower motor was wired backwards, bur the blower motor hasn't been replaced, and that the problem is intermittent....
2000 Chrysler Grand Voyager 3.0L wiper/blower VIN: 2C4GJ2434Y
thanks to everyone who took the time to help.problum was two fold 1 bad multi function switch. 2 blower relay lost ground inside fuse box. not easy to open up by and access so ron new ground with spade terminal under relay. all is well now. thanks again everyo...
2003 Dodge Grand Caravan ES 3.8L Water Pump VIN: 2D8GP54L83
Hi all. I got the van fixed by using a new NAPA pump, but you all know that. I did contact ASC by e-mail and there quality control manager looked into this Issue, and when they tested 5 pumps off there line, they found 3 were out of spec's. He has assured ...
1986 Ford F-150 5.0L starter and solenoid VIN: 2FTCF15W6G
Thank You everybody, I received over 20 replies and 90 percent said oem solenoid, so that's what I did along with a new battery cable end and a good starter,I wasn't getting battery voltage to the starter, so I cleaned everything and used quality parts. cheap ...
1989 Ford Bronco Custom 5.0L 1-2, 2-3, 3-4 shifts
Vehicle is fixed. Anthony from CT & Tom from PA hit it on the head (as did several others, theirs were the ones I read prior to heading out into shop to fix it). The problem ended up being a stuck/sticking TV valve & misadjusted cable. Cleared up the sticking ...
1996 Ford F-150 Eddie Bauer 5.0L thrust bearing VIN: 1FTEF15N8T
well I'm calling it a fix,,, sent the engine back once again, they told me that i have a trans problem and this is no longer warranty, but they called back and said the wrong crank was used, they put a .010 thrust crank in it with a std brg the second time (NO...
1998 Ford Ranger Splash 4.0L MIL Lamp on VIN: 1FTYR14X7W
Thank you to all who replied to my messege, i especially thank larry from texas who mentioned a ground issue near the battery.. I was intermittenly getting a bad connection to my MAF ground. Strangly enough i checked the ground when testing the sensor, but at ... Trouble codes: P0171 (System to lean bank 1), P0174 (System to lean bank 2).
1999 Ford Taurus SE 3.0L NOt eonough heat VIN: 1FAFP53U4X
I was able to track down a former owner (two owners back) from receipts in the car. She stated that it had a low heat problem back when she had it too, but she just lived with it. Well, at least I didn't cause the problem when I replaced the degas tank. The ...
1999 Ford Taurus LX 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: IFAFP53U8X
thank you guys very much,this vehicle had two problemsand they both happen at the same time.the problem when the car dies was the fuel pump,it began to lose pressureafter 30-40 minutes of driving.fuel pressure drop tremendously on fast acceleration.second prob... Trouble codes: P1309 (manufacturer controlignition system or misfire).
2000 Ford Explorer XLT 4.0L Poor Idle Quality, Surge VIN: 1FMZU73E1Y
Thanks again to all who replied to my request. This is the most amazing group of people. Most of the replies said to replace upper and lower intage gaskets so I went with the majority and sure enough, when I pulled it apart, the gaskets were brittle and flatte...
1998 Geo prism 2.0L wheel bearings VIN: 1Y1SK528XW
I got several replies. I do not know if we fixed this. he came back yesterday and so far no noise from last replacement. We checked and cleaned all grounds from body to engine to battery . We double checked torque before he left. I have my fingers crossed. Sev...
1992 Mercedes-Benz 400SE 4.2L door locks VIN: WDBG23WYTN
thanks for all the help on this one it turns out that the pump is fried. took apart the assembly under back seat and am currently looking for a new motor. all else seems fine the motor is such a cheap little thing.hoping surplus store has one. thanks once agai...
2002 Nissan Xterra SE 3.3L No Start VIN: SN1ED28Y82
Well this one is fixed! Thanks for all the replies everyone had some good ideas but the problem was the fuel pump. When I checked for injector pulse with I used my vantage on didnt see any, so i thought it didn't have any. oon this vehicle the cps trigers the ... Trouble codes: P0328 (Knock sensor high).
1996 Toyota Celica GT 2.2L battery charge light VIN: JT2DG02T6T
Hi, hey thanks for help on this one. replaced alternator with a denso unit and the intermittent BATT light problem has not reoccured. thanks again!
2001 Toyota RAV4 2.0L MIL Lamp on VIN: JTEGH2OV81
Type of scan tool used was a Snap-On 2500 First I want every to know this was my first time trying IATN and I could not beleive how fast techs got back to me.THANK YOU. It was truely a good feeling. Well we finally got the vehicle back to our shop and like Leo...
1998 Volvo S70 T5 2.3L engine VIN: YV1LS5342W
I am sure at this point the rings are stuck in the glands of the pistons. I really appreciate all of the responses. The car is returning around the holiday and I really want to try one suggestion that I recieved. One member explained to pull the plugs, set the...
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