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Prev Professional Automotive Repair Technical Discussions for June 5, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1986 Cadillac Fleetwood Brougham 5.0L Excessive Emissions VIN: 1G6DW69Y5G
High CO on accell causing im240 failure. Very clean in stall at Idle or cruise. Trace from testing station shows very rich under load. No evidence of raw gas at purge valve. Known good O2 shows lean all the time (appx.150v) then jumps rich(.900v) when air pump...
1984 Chevrolet K5 Blazer Silverado 5.0L distrubator VIN: IG8EKI8HXE
the truck will start some times runs till it worms up then it will die thought it would be the coil that was not it so i tried the pick up coil that was not it so i tried ing modual that was not it. the red wire that is going to the coil is hot when the ing is...
1985 Dodge Ram 50 Custom 2.6L Misfire VIN: JB7FP24D8F
Engine is a 2.0 Liter, not 2.6L. Customer complaint was lack of power on hills. All ignition components new and correct. Test drive showed dramatic lack of power, misfire when secondary opened. Checked base timing, mechanical and vacuum advance - both good. Ch...
1988 Dodge B250 5.9L Poor Idle Quality VIN: 2B7HB21Z4K
Hello everyone and help, I have this dodge van that is idling badly. It will idle OK and then the idle will lunge down and the speed control will pick it up. I have checked the fuel pressure(15 psi), installed a new 0x sensor, checked TPS and MAP operation..a...
1997 Dodge Ram 2500 Truck 5.9L 3-4 shifting VIN: 3B7KC23D9V
Hello tranny techs, hopefully I can get a little help with this one. This belongs to one of our loyal customers. We don't usually do anything with diesels or transmissions, but he is a good customer and the dealer hasn't been any help. Most of the time, when c...
1998 Dodge Stratus 2.4L cv joint VIN: 1B3EJ46X0W
This car has stumped me and three other Master Technicians. The car makes a popping or clunk sound when making a slow severe sharp turn. It is more noticable in reverse and the steering wheel turned all the way to the right. It will do it also with the wheel t...
1992 Eagle Talon TSi 2.0L Excessive Emissions, Poor Idle Quality, Surge VIN: 4E3CT64U4N
Hello Tech's, I have this talon i have just put the timing belt and balance shaft belt on. While apart, I found a water pump that has started leaking. I put the water pump on since I had the front of the engine apart anyway. I got it put back together and tim...
1987 Ford Ranger Custom 2.9L Electronic VIN: 1FTCR15TXG
I have a 1987 ford ranger 4x4 and I was wondering if it is possible to switch in a tranny out of a 1992 explorer, I know that It will bolt up but has anyone tried somrthing like this, what would it take for wiring? driveshafts? transfercase? The reasons I am t...
1988 Mercedes-Benz 300TE 3.0L blinkers VIN: WDBEA90D5J
hello i'm a first time user after many years of hearing about all of you. customer complaint is a buzzing noise in or behind dash. located noise to be from blinker relay. noise stops when relay is removed. replace relay with known good one still noisey.isolate...
1994 Oldsmobile 98 Regency Elite 3.8L Surge VIN: 1G3CW5218R
car came in with mil light on and a complaint of a shudder and vibration under a sudden load or a sudden acceleration. scanner reveiled a high tp sensor voltage, we took it off and sure it was stiking in the wide open throttle . replaced sensor and cleared cod...
2004 Other GM ADMIRAL SE 8.1L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 5B4LP57G73
HOPE THERE IS AN RV TECH OUT THERE WHO CAN HELP.This is my personal vehicle.It has been running great until this past Memorial weekend.After driving for 2 hours with no problem,as we pulled into campsite at idle,vehicle felt as if" loading up "then shut down.B...
1992 Volkswagen Jetta 1.8L Hesitation, Cuts out VIN: WVWPA01G5N
Hello to all, I hope someone has a fix for this car... I have been having problems with this car intermittently for the last couple of months now... Under hard accel, at highway or intown speeds the car seems to lack power and will barely accelerate... Very in...
1997 Volkswagen Golf GL 2.0L P/N relay VIN: 3VWFA81H5V
Hello all, this one has code p0705, trans. range switch interupted. I have done the basics, all P's and G's at TCM are good and wiring from TR switch to TCM are good. I'm not getting elec. specs. at TCM from TRswitch. Further investigation of diagrams I see a...
1998 Volvo S70 GLT 2.4L MIL Lamp on VIN: YV1LS5678W
Have 3 customers with VOLVO's same year and model. All have same codes. Can not find any leaks in system. Told customer to make sure fuel caps are on tight and not to fill with engine running. Replaced purge valve on one. Code back in a couple weeks after driv... Trouble codes: P0455 (large evap leak snap-on scanner), EF161

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 BMW 528e 2.7L Poor Idle Quality VIN: WBADK8308J
This one is not fixed yet. I have received many good suggestions that are my normal things to check. The responses convinced me to recheck the things that I had already checked to see if I missed anything. I readjusted the valves, checked the manifold and all ...
1995 Buick Roadmaster Limited 5.7L Surge, Cuts out, Misfire VIN: 1G4BT52P2S
I am sure the car will be fixed soon Bob is getting the cash together to repair it. the dist. is costly and the wires look to be time consuming to install so this will be done later this month. Thanks for all your time
1990 Cadillac DeVille 4.5L Poor Idle Quality VIN: 1G6CD5332L
thanks for all the replies. the problem came out to be the idle speed control motor. all the ground connections are tight and good contact. i hope this one helps everybody. thanks a lot. Trouble codes: 30 (idle speed control motor).
1996 Chevrolet C3500 7.4L Misfire
First, thanks to all 20 people that took the time to responde to my post. Sorry took so long to close this,but I just finished truck today, waiting on parts... I replaced engine and all was well. But I took the advice of many responces and did a little more ...
1997 Chevrolet Express 1500 5.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GBFB15M4V
The fix was a distributor cap! I checked the plug wire terminals as suggested, but the ohmmeter indicated open circuit on all terminals to each of the other terminals. I pulled the left valve cover to check for broken valve srings just for grins. No Problem ... Trouble codes: P0300 (Random misfire).
2000 Chevrolet Silverado 1500 5.3L drivetrain VIN: 1GTEK19T1Y
Thanks for all the replies! Sorry about my delay in closing, this new baby boy takes most of my free time. With over 20 replies, more than 15 said the noise is from the slip yoke binding on the output shaft. Some said lube the splines with grease (or GM 'speci...
1989 Dodge Shadow 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy VIN: 1B3BP48K4K
Hello and sorry for the delay. Thank you to all those who responded, Gordon, Les, Roger, Christopher to name a few. I did check the charging system and fuel pressure the next day, both were good. The thing that threw me was the oxygen sensor, because it was ne...
1992 Dodge Dakota 5.2L Misfire VIN: 1B7GL23Y8N
Thanx all ten of you that replied.Most of you suggested that the EGR was responsible,but i did not mention that i built a block off plate for the valve and it changed nothing.Unfortunatley the customer took the truck to the dealer.They changed the dist again a...
1998 Dodge Ram 1500 Truck 5.2L oil leak from filter area VIN: 3B7HC12Y1W
We called the customer and they reported that no leaks after doing what we did. I still find it hard to believe that the filter was the problem, but as they say 'the proof is in the puddin' Thanks to all who helped, I hope I can help others in the future Tim
2002 Dodge Stratus 2.4L clutch VIN: 1B3DL46Y92
Thanks to Ty from Connecticut, who responded so quick to me, problem was clutch set, it looked good, with less of half life but it had internal problem so we changed it for a new one and problem is gone, thank you again. [...]
2002 Dodge Ram 1500 Truck 5.9L MIL Lamp on VIN: 1D7HU18Z62
Well, it just goes to show that membership is a beautiful thing, the very quick response from Phillip in Washington (that same evening) gave me the answer to my problem- Turns out that the condenser does indeed have an electric cooling fan motor and after lack... Trouble codes: P1491.
1996 Ford F-250 Special 7.3L abs electrical VIN: 1FTHX25F6V
hi group heres what i found, well did have on third brake light out replaced filament did not short ok, when i grounded the black and orange wire for abs no matter how long you held to ground and released would not flash codes, that circuit to module when grou...
1997 Ford E-250 Econoline 4.2L damper hub VIN: 1FTFE24299
Hi Guys Sorry for the late closing on this one Not to much to say on this one ,But one tech send told me with this damper which makes sence is was it hammerd on anonther was the crank being muffed which was not the problem either ,,,any way the hammering made ...
1997 Ford F-150 Lariat 5.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTEX08L8V
hi guys tahnks again for all the replys. your information was very helpful. I replaced the ignition coils for cylinders 2 and 4 for the misfire condition and also noted there was indeed a coolant leak onto cylinder 4 coil pack. I corrected the leak condition a... Trouble codes: P0302, P0304.
2000 GMC Savana 3500 6.5L oil leak VIN: 1GTHG35F5Y
Thanks to the 4 replies I got for this problem. Dan from Illinois got me moving in the right direction. The sensor was added as part of an aftermarket monitoring system. My hats off to the installers for such a professional installation into the original harne...
2003 GMC Sierra 1500 HD SLE 6.0L Ride Quality VIN: 1GTGK13U43
Hello All, Thanks for being patient. Customer just got this vehicle back from dealer recently and has reported back to me.. First I want to thank all that tried to help me, Eric,Ken,Keith,Al,John,Matthew,Donald,Hugh,Jack,and Lawrence. I will have to say all ...
1995 Isuzu Trooper S 3.2L Code 44 VIN: JACDJ58V6S
Hello everyone and thanks for the help on this one. This vehicle is not equipped with a Baro sensor or a MAF sensor. We installed a new timing belt into this vehicle with all new rollers and Isuzu tensioner and the vehicle was gone 2 weeks and we were inform... Trouble codes: 44 (lean exhaust).
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4FF4852Y
i tryed a pcm. no good same thing. i must say some chrysler daig. charts really stink. after following the schematic closer, i found i was losin power at ck 20 (wt wire). this wire was the 12 volt sorce for all the parts i had codes for. traced it back to a pr... Trouble codes: P1491, P0132, P0443, P0645.
1980 Mercedes-Benz 450SL 4.5L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 107-044-12
Well, I would like to thank the 9 techs that replied to this request and the general theme most had was if you do not have the correct tools and the specific training in Mercedes ways you are probably better off sending the car to a specialist, which is what w...
1997 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDHA28E9VF
To all Techs. Thank you for your helps out there, it was Mass Air Flow Sensor cause the check engine light on, First of all I couldn't figure it out what this code P0170 was, the reading on the Modis scanner was 3.76, after than replace the MAF Sensor it drop ... Trouble codes: P0171 (Fuel Trim Mulfunction).
1998 Mercedes-Benz C230 2.3L No Start, Cuts out VIN: WDBHA24G8W
well nobody got this one right, but hey!! still help me to clear my mind!!! here is what was happening I will try to be as clear as possible this fuel tank is a piece of work, it has to senders one of each side, I will call tank A where the fuel pump gets the ...
2000 Pontiac Montana 3.4L ABS light comes on VIN: 1GMDX03E3Y
It was scanner's software problem. Frend of mine brought Modis . This car has a problem with right rear wheel speed sensor. I was replaced it (sure together with wheel bearing). Customer was very happy.Thanks to all who read and responded.
1981 Toyota Corolla DLX 1.8L charge fuse VIN: JT2TE72W7B
Thanks to everyone for responding.After what I thought was a thorough check of all connetions mentioned under the hood,I decided to replace the alternator.Wrong decision,it still showed a 'no charge.'So I went back over all of the underhood connections again,j...
1997 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K8V
No one filled me in about the post o2 but its probably not the problem.The fuel trims should hang around 0,no vac leaks found with smoke machine (egr valve and transducer seep smoke as most cars do)I will go after valve timing when car comes back. Trouble codes: P0171.
1999 Volkswagen Golf GL 2.0L High gear VIN: WVWBC31J8X
Hello All Well Friends thanks for all the great responses, that one was more of a learning experience, i clear the code 00652, pull the transmission pan and find that the filter was real plug up and the oil not looking so good but didn't not smell burn, also...
1997 Volvo 850 2.4L abs VIN: YV1LW5540V
Thanks to all who answered on this one. All of you said not ABS but rear brakes - and all of you were correct! With the installation of Genuine Volvo pads, the Volvo shims and silicone grease for the shims did the trick on this one. I feel humbled on this on...
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