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Prev Professional Automotive Repair Technical Discussions for May 29, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1996 Chevrolet Lumina 3.1L Surge, Cuts out, Misfire VIN: 2G1WL52M4T
Hey fellows Techs,This is my own car so you know it will be a strange one.Car was running fine ,stopped for gas and when I started it back up it had a ticking/light knocking noise in the upper part of the engine and missfiring badly. Checked codes and got p030... Trouble codes: P0301, P0300
1997 Chevrolet Lumina 3.1L Surge, Cuts out, Stall, Misfire VIN: 2G1WL52M5V
runs fine cold,hot it will surge,cut out,stall,miss,the fuel pressure does't drop,good fuel volume,when it stalls it will restart anywhere from 1 to 3 minutes.then it will do it again in 1 to 5 minutes. on the scanner i do not see anything dropping out,all rea...
1995 Chrysler Cirrus LX 2.5L MIL Lamp on, O2 above 1.3 volts VIN: 1C3EJ56H6S
Intermittently: O2 voltages go above 1.3 volts only at WOT, and only above 6000 rpm. Both sensors read high voltage at the same time. Battery voltage maintains 13.9-14.0, even at WOT. I have only been able to duplicate the fault 3 times in many drive cycles. A... Trouble codes: 21 (O2 voltage high)
1991 Dodge Dakota 5.2L Cuts out VIN: 1B7GL23Y8M
He everyone we have an old Dakota giving me some grief. When the customer is driving down the highway every maybe 100 miles or sometimes 200 miles the engine will cut out or buck for a split second and kick the cruise off and then continue like nothing ever ha...
1989 Ford F-150 Custom 4.9L clutch
OK we pulled tranny and figured on (hoping rather) just sanding flywheel and putting in new clutch and slave cylinder. Well got a master cyl not slave ( parts guy boo boo)so it looked ok , no leaks etc everything looked ok. So I found old friend who had a flyw...
2000 Ford Contour LX 2.0L MIL Lamp on VIN: 1FAFP6636X
This car come to my shop with the mil on and I read the trouble code p0420, and I checked the converter catalistyc and the o2 sensor but didnt find anything, I need your help. Trouble codes: P0420 (Catalistyc Eficience low bank 1)
1997 Jaguar XJ6 4.0L Excessive Emissions, Poor Idle Quality VIN: 5AJJPALF3B
Hi Gents, I received this vehicle from another workshop. The car runs rich i mean it makes a black smoke screen out the back. I scan the car with my snap on scanner and i found the airmass meter not working at all. So i fitted a repaired one the airmass meter ...
2002 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48672
I hope someone has run into this before, this Jeep has been to 5 shops in the area (Chrysler Dealer included). This problem happened out of the blue & the customer is convinced that no one can fix this - which I'm determined to prove her wrong. The Jeep has a ...
1997 Mercury Cougar XR-7 4.6L Brakes VIN: 1MELM62WXV
Hey guys, hope you front end techs can shed a little light on this one. This Cougar will pull hard left while appling the brake. It is more pronounce with higher speeds. The front end is tight and all bushings are in fair to good condition. I did notice the le...
1996 Nissan Mistral 2.7L No Overdrive VIN: TVPURWAR20
Hi all. There was no option for Diesel in the drop down box so I had to select "injection" but please note this is a Diesel. This is a Grey import from Japan so information is scarce. The diagrams for the Euro spec do not match. This has the throttle pot on ...
1987 Porsche 911 3.3L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: WPOEA0938H
All Porsche Techs. We have a 911 Turbo that came in running very rich. Apparently the problem has been progressively getting worse. All the normal CIS problems have been checked and found to be working properly. The cold and hot control pressures are well wit...
1994 Saturn SL1 1.9L troubled codes VIN: 1G8ZH5593R
Went to pick up my high maintenance 16 year old daughter from a friends house, (yes its my pos) and the check engine light came on and it started shifting improperly. The whole way home 12 miles at 30 mph, it was in limp mode. When I got home disconnected the ...
2002 Saturn SL2 1.9L alarm system VIN: 1G8ZJ52752
we have limited accessibility and information to the alarm system, customer complaint was car alarm goes off in middle of night, has to disconnect the battery to disable, cannot disable with remote. previous was going off every night, i installed a new trunk l...
2000 Toyota Echo 1.5L Hesitation VIN: JTDBT123XY
Ií have this Echo, No fault codes, good fuel pressure, but NO power. I can rave engine very gently and goes to 3500 rpm and then starts choking, Can't accelerate fast, has to be slowly. It feels like the TPS is disconected or is running out of fuel or plugged ...
2003 Volkswagen Passat GL 1.8L Speedometer VIN: WVWMD63B73
Geetings all! This Passat only acts up in hot weather (or simulated hot weather, windows up heater on full for an hour or so). Speedometer quits working and fuel gauge fluctuates wildy. Once the speedo acted like the tach and would follow engine rpm. When con...
2000 Volvo S80 T6 2.8L Valve Timing VIN: YV1TS91D12
Doing another Volvo Timing belt on this DOHC 2.8 twin turbo. The tech that did the last two for us is not working for us anymore. We have two sets of tools for aligning the camshafts, and the VADIS factory VOlvo manual. What we don't have anymore is the Volvo ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1985 Alfa Romeo GTV-6 2.5 2.5L Excessive Emissions, Surge, Poor Fuel Economy VIN: ZARAA6698F
Thanks for all your replies. The most frequently cited possibility was high fuel pressure.I had discounted that and thus did not check it bcs the ecm reacted normally to inputs when the O2 sensor was disconnected. I had assumed, perhaps erroneously, that if I ...
1991 Cadillac DeVille 4.9L Misfire VIN: 1G6CD53BXM
Found broken injector wire from main harness underneath dash/firewall. Thanks to all for the advise and suggestions. Joe
2000 Chevrolet Metro 1.0L Air Cond VIN: 2C1MR2260Y
Thanks for all your great help. I replaced the Expansion valve located in the evap case. It's blowing cold now to 40 degrees. You guys rock!!
2002 Chevrolet Tahoe LS 5.3L front axles VIN: 1GNEK13Z22
The side gears were wiped out on this unit. Replaced all gears and bearings all is well, thanks for all the replies.
2004 Chevrolet Impala 3.4L Cylinder & Key Assembly VIN: 2G1WF52E64
Thanks to those who responded. The cylinder and key assembly was the problem. But because I could not turn the key to remove it I had to replace the ignition switch also. A few things I learned while working on this were. The only two things I can see that wil...
2003 Chrysler Town & Country (Van) Limited 3.8L Water pump/timing cover VIN: 2C8GP64L43
I ended up finding some bypass caps made by Motormite in the 'Help!' section. These are normally used for bypassing a heater core. Put one on with a hose clamp and all has been well. Thanks for the help!
2000 Dodge Neon ES 2.0L no start VIN: 1C3ES46C9Y
I am glad this car is fixed! After replacing neutral switch vehicle still did not start,back tracked and found no refrence signal to all sensors.Re-checked all fuses and found#10 fuse from ignition to pcm blown- I must of causes a short in the preocess. Thanks...
2000 Dodge Stratus ES 2.5L No Start VIN: 1B3EJ56H6Y
yes it was the a used unit,found the dealer code-anti theft number,programed the pcm & all good.thanx again for the backup.
1966 Ford Mustang 200CID Master VIN: 6T07T16541
Hello iATN'ers, In all I received 13 replys to my question. Thanks to all. A few led me to a search on line, which eventually led me to 'Classic Mustang Decoder' That showed me an example of what the 'warranty' plate looks like, and all I had to do was fill in...
1996 Ford Contour GL 2.0L Poor Idle Quality, Hesitation, Stall VIN: 3FALP6533T
Sorry, I've been slow closing this request as IATN froze everytime I went too close it. The problem was a broken flywheel. The hub had broke out & then jammed again so it ran. Although very poorly with ignition timing severly retarded. Thanks for all replies!!... Trouble codes: P0102 (MAF/VAF CKT Low Input), P0122 (TP Snsr A CKT Low Input).
2001 Ford F-150 King Ranch 4.6L MIL Lamp on VIN: 1FTRW07W01
found a large connector near the battery with the tps wires in it. unbolt the connector and inside is green with corrosion. cleaned everything and all is well so far. Thanks for all the replies.
2004 Ford F-150 FX4 5.4L engine VIN: 1FTPW14564
Wow, the response I recieved to my request for information on the Ford 5.4 engine was overwhelming!The info was somewhat contradictory depending I guess on everyone's personal experiences.But I was able to come up with a plan of action for my son.After listeni...
1983 GMC Suburban K1500 5.7L Waterpump/crank
Fixing a family member's vehicle in the driveway is not something I would reccomend to anyone who has worked in a well stocked full blown shop before. What a pain in the *^(#$*( I would have posted sooner but I ran into a lot of problems. The main problem wi...
2002 GMC Sierra 1500 SL 4.3L pinion VIN: 1GTEC14W52
thenks to all who replied. I replaced the ring and pinion. and all brgs. Thanks to you I was able to set preloads and back lash. Thanks again
1997 Honda Accord LX 2.2L No Start VIN: 1HGCD5530V
Hello everyone and thanks for the help on this one. We were unable to ever duplicate this concern in our shop. We, with the input of members,installed a remanufactured distributor in this vehicle and the car has not had any problem since. Thanks for the help o...
1997 Jeep Cherokee SE 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FJB8SXT
well I wanted to wait a few days to make sure this one was fixed. The customer stopped back in to confirm it was fixed. Eventually I got to the point where everything was there I required-spark, fuel, injection. Simply touching the accelerator would start the ...
1998 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4DL01DXW
Thanks to all who helped me out with thw answers that I needed. The code 75 was indeed an Evap code and the code 34 is the knock sensor code. Trouble codes: 75 (unknown), 34 (unknown).
1989 Oldsmobile Cutlass Calais 3.3L Stall, Sputters VIN: 1G3NF51N0K
Thanks to all for their advice. E-mails included stuck tcc solenoid, iac problem, vacuum modulator valve in trans, dirty throttle body and poor grounds near the battery. Having checked most of these items, I had cleaned the injectors and put some upper cylinde...
1997 Volvo 850 GLT 2.4L lubrication VIN: YV1LS5648V
Most replies delt properly with the issue. I've put this problem on the ' backburner ' and will work on the engine in a week or two.Thanks for all the replys !
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