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Prev Professional Automotive Repair Technical Discussions for February 5, 2011
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2000 Audi S4 2.7L Hesitation, Surge, Cuts out, Stall VIN: WAUDD68D2Y
This vehicle is giving me fits. It runs well with the MAF disconnected and poorly with it connected. I tried 2 replacement MAFs and they also ran poorly connected. I smoked the vehicle and found 2 vacuum leaks which I repaired. I pulled 1 spark plug and found ... Trouble codes: P1454 (EGT sensor 1 open or short to ground), P1457 (EGT sensor 2 open or short to ground)
1988 Buick Electra Park Avenue 3.8L No Start, MIL Lamp on, intermitting VIN: 1G4CW51C1J
Hi all,this is my everyday driver,car has never givin me any major problems untill now,hope you guys can help,started yesterday,shut off car at store,went to start back up and it will only run for 1 second then shut back off,tried holding throttle down a bit a... Trouble codes: 13 (O2 sensor circuit shorted), 14 (shorted coolant sensor)
2003 Chevrolet Cavalier 2.2L steering gear VIN: 124J568F03
good afternoon all would like some suggestions on personal car of the wife.have checked ball joints tie rods struts replaced couple years ago with quick strut assemblies.while turning to left and only to the left there is a shudder.don't really want to go as f...
2004 Chevrolet Silverado 1500 4.8L Front Dirrerential VIN: 1GCEK14V34
front diff hubs click 4x4 ind light comes on with no command from transfer case no codes stored if you engauge 4x4 by shifting into high then back into 2 wheel light goes out everthing normal again for a few days this truck has a shifter no ele motor for engau...
2004 Chevrolet Silverado 1500 LS 4.8L Volt Meter Other Gauges VIN: 1GCEC19V94
looking for part number for stepper motors to fix ip gauges
1996 Dodge Ram 2500 Truck 8.0L Poor Heat In Cab VIN: FB7KF23W6T
Vehicle came in for poor heat in cab, verified on road test, heats about 110 degree vent temp at idle, but drops only to about 85 on road test, temp gauge reads about 180 degrees. Flushed engine coolant, replaced thermostat with 180 degree stat the 1st time, t...
2001 Ford Mustang GT 4.6L clutch VIN: 1FAFP42X51
Howdy Y'all!1 I have a 2001 Mustang GT that the clutch doesn't release all the way. There is NO FREE TRAVEL and the cable is TIGHT all the time. The pedal comes all the way to the top, past brake pedal.It would barely engage and tries to slip. There is NO ADJU...
2001 Ford Taurus SE 3.0L p0731 VIN: 1FAP55291A
installed a used transmision and test drove everything is fine then had to install water pump after words code 0731 p0734 codes started coming up which are in proper gear ratio but ever thing is acting fine seems to shift fine and no other issues have any ford...
2002 Ford Taurus SE 3.0L Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy VIN: IFAFP55UI2
This morning the customer had the taurus towed to the shop. He said that he has heard a small knocking noise for some time but was unsure what it was another shop told him it was his alternator but it never went any farther apparently. Well this morning while ...
2004 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FAFP42X14
Need some help with this one guys. Vehicle came in with a interm. rolling idle and cuts off. Scan data showed code 2197 set. STFT showed 30%. I thought simple vac leak. Then all of the sudden it clears up and FT returns to normal and it idles great. Will run o... Trouble codes: 2197 (02 locked at lean)
2004 Ford F-350 Super Duty XL 6.0L Mechanical VIN: 1FDSW34P34
Hi Guys--This truck was towed into my shop after 3 other shops gave up.It has a no start condition,cranks good and I did all no start diagnostic tests and found numerous FICM problems.I found a bad harness and replaced it also replaced the FICM and flashed it,...
2006 Ford E-250 5.4L overdrive/freewheels VIN: 1FTNE24L36
Hi every one thanks you in advance for taking the time to read this post. First of all I do not work in transmissions but this customer just got this van the problem is that went I start driving from 0 to 35 or so mph the transmission goes freewheel looks like...
2008 Ford F-350 Super Duty XL 6.4L Rocker Arm VIN: 1FDWF37R68
Help Ford diesel techs: looking for information and advice for proper repair This truck came in with a miss on #8 cyl, found no compression on #8. Removed left valve cover and found #8 intake rocker arm out of place and pushrod missing end ball. I found all o...
1999 Honda Accord EX 3.0L No Heat VIN: 1HGCG1659X
I can't get good heat coming out of the vents. Coolant is hot on the top hose and it feels like it's sucking air on the bottom hose. If you let the car run for a while it will heat up a bit 114 degrees coming out of the ducts but when you take it for a spin. I...
2006 Jeep Commander (Truck) 4.7L Abs/Esp VIN: 1J8HG48N06
Hello all, I recently replaced a back rack and pinion on this vehicle and after the repair im having trouble with the ESP, Its is especially bad when pulling out of a drive way or in sharp turns. Im pretty sure i didn't move the steering wheel when install the...
2006 Land Rover Range Rover HSE 4.4L no communication VIN: SALME15466
we are trying to get a scanner to communicate i have tried 3 scanners and nothing will connect
1988 Mercedes-Benz 190D 2.5 2.5L Sir VIN: WDBD26D2JF
How do I remove the drivers air bag from a 1988 mercedes 190d?
2003 Mercedes-Benz C230 Kompressor 1.8L Poor Fuel Economy VIN: WDBRF40J93
I replaced the tensioner pulley and belt and noticed a vacuum hose disconnected on the left front of engine (near the atmospheric pressure sensor). One end is attached to the intake just after the throttle plate, and I can't seem to find where the other end go...
1999 Nissan Frontier XE 3.3L Hesitation, Surge VIN: 1N6ED26Y8X
This vehicle loses power under a load. The problem is fairly consistent. You could drive around all day and it wouldn't act up, but when driving up a fairly steep continuous grade it will lose power. You can pull over to the side of the road and it idles fine....
2002 Nissan Sentra GXE 1.8L VTC sprocket VIN: 3NICB51D82
Replacing the timing chain on my sons car. I only have a Haynes manual. Trying to lock the VTC(?) intake sprocket to remove it from the cam so I can remove chain. Book says to blow air into firewall side bolt hole of cam cap to rotate it and to install an alle...
1998 Pontiac Sunfire SE 2.2L Security System VIN: 1G2JB5246W
looking for some answers or some guidence on where to look now. we have check continuity in white wire through column and all is good. we have replaced instrument cluster with a used unit and have had no luck. This vehicle has had an air bag deployed on passen...
1999 Pontiac Sunfire SE 2.2L Stall VIN: 3G2JB1248X
car runs great if you disconnect the altenator if you hook up the alternator it misfires,back fires and stalls we replaced alt and battery still the same checked out referance votltages all ok
2001 Toyota Highlander 3.0L No Start VIN: JTEHF21A12
I have just replaced the head gaskets.and truck will not start .i have no check engine light and security light is flashing all the time.i can communicate with the bcm but that is the only module that will communicate.a got [...] from bcm. Trouble codes: 1261
2007 Toyota Prius 1.5L Starting VIN: JTDKB20U37
Got this car towed in from a new customer today, no start. No power to the car at all, looks like it had been attempted to be jumped. Got the rear hatch open and tested the 12V battery, battery checks ok. Started checking fuses and found the ETCS and dome fuse...
2008 Toyota Tundra Limited 5.7L Starting VIN: 5TBBV58158
Any Ideas? After turning key (and releasing) engine will continue to turn over without starting for about 7-8 seconds and then stop. After several attempts vehicle would start. Scan tool said it was crankshaft position sensor. Replaced Crank sensor with afterm...
2002 Volvo S80 D5 2400CC No Start VIN: YV1TS79322
Vehicle came to us as non start. From the dealership report below in 'Related Repair History' they seem to have checked most things - if you can believe them. Initial check of DTC's using Bosch KTS650 - non stored. Battery voltage only 10.5 volts as car had b...
2005 Volvo XC90 2.5T 2.5L No Start VIN: YV1CZ59265
Vehicle came in No Start, we put a Fuel Pump in, it ran for 2 days, quit again and this time has no power to the Fuel Pump. Mitchell wiring diagram is vague, it shows 3 pumps and shows the main power feed to the high pressure pump going to the cental control M... Trouble codes: P291B, P291D, P291C

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 325xi 2.5L passenger footwell and spare tire well wet VIN: WBAEPP3342
Thanks for all of the excellent information. I started by testing the sunroof drains using water instead of air. Everything drained well so I removed the RF door panel and as many of you had stated the vapor barrier was compromised allowing water to run right...
2003 BMW X5 3.0i 3.0L Dash Lights VIN: 5UXFA53513
Well, fixed this one..sort of.. found that the telephone fuse when pulled the problem solved. Customer does not want to find out what the problem is since she dose not use this feature. Thanks for all the help..
1995 Chevrolet Corvette 5.7L No Start VIN: 1GLYY22POS
well customer is taking car out of state to put in after market system to get away from the obd1 and obd2 system in the vett had computer rebilt twice and all test say its still is not right sorry have nothing els and for the long post this nightmare is leavin...
1999 Chevrolet Malibu 3.1L key phob VIN: 1G1NE52J4X
thanks for the help,joe coopers info with the free website was great all the info i needed was there
2001 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNT13W912
Thanks for all the replies. I talked with the shop that did the tune up, they informed us that when the serpentine belt was removed the misfire data showed zero. We went with David from Pennsylvania bulletin about shimming out crank sensor. Tryed one shim, mi... Trouble codes: P0300.
2003 Chevrolet Express 1500 4.3L No Start, Cuts out VIN: 1GCFG15X13
After fixing the spark problem and the scanner not talking to vehicle I chased the security system, domelights, and radio circuits. All to the BCM. Had all powers to the BCM, Grounds all good. Had class 2 commo. Did not have 12 volts out to pass sensor. Got a ...
2004 Chevrolet Colorado 2.8L Theft System VIN: 1GCCS19864
There was a remote start unit installed in this vehicle, it wasn't installed properly to begin with, we removed it,it is starting o.k. to date.
2006 Chrysler PT Cruiser 2.4L Timing Belt VIN: 3A4FY48B46
Thank you all so much for your time and help. You were all right, I just had to jack the engine up higher and be patient. We jacked it up higher, watchin to make sure we didn't brake anything, pushed it to the left, wiggled the mount a little and it came out.
2006 Dodge Durango SLT 4.7L Steering VIN: 1D4HD48216
First off I want thank everyone who took the time to reply. I knew there was nothing really wrong, but manager probably needed to see my peers agree with me. As was the consensus, this is a normal condition that can only be avoided by keeping all four windo...
1987 Ford Ranger Custom 2.0L starter VIN: 1FTBR10CXH
We made Voltage drop tests, inspected the dist. advances. the customer did not want to spend more time on this intermittant problem until it acts up more frequently. thank you for your replies
2005 Ford F-150 XL 5.4L Misfire, MIL Lamp on VIN: 1FTVX12585
The vehicle is fixed at this point as the customer has had the vehicle for 5 days and it is still running good. No misfire on # 4. The solution to this problem still doesn't make complete sense to me, but here is the senario that led to the repair. As I sai... Trouble codes: P0304.
1994 Jeep Grand Cherokee Laredo 5.2L No Start VIN: 1J4GZ58Y9R
Thanks to all that replied. It was indeed the PCM I installed. It had beeen previously installed in a Jeep equipped with anit-theft. This particular Jeep that I had was not, and it seems they are kind of rare. It is difficult to tell because there is no CCD...
2004 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48SX4
Thanks for all the great tips. Someone had tie wrapped the downstream 02 wiring harness to the a/c manifold hose. The harness had rubbed on the pressure relief valve for the a/c compressor to the point that it pierced it causing an interm. short. Repaired the ... Trouble codes: P0031 (o2), P0051 (o2), P0136 (o2).
2004 Mazda RX-8 1.3L No Start VIN: JM1FE17324
Thanks all for your replies. I checked only fuel and spark. Went and double checked all connectors, and even injector connectors, all was ok. Did exactly what Mark mentioned about squirting oil through the sprak plug holes, and also did what Keith mention ab...
1991 Pontiac Grand Prix GT 3.4L No Start VIN: 1G2WP11XOM
Removed intake to unplug right bank of injectors to check if one was shorted to ground. Injectors checked out ok. Node light would flash {yellow not bright white} but injectors would not fire. Replaced computer and now runs fine. Thanks for the help.
2007 Saturn Vue 3.5L PPS(Pass Presence System) VIN: 5GZCZ53447
Ernest was correct about the seat heater grids. I pulled the pass seat out again and checked the resistance of the seat back heater grid(bottom was new). It was open. The wiring schematic for the pass seat heater shows a OG(orange/green stripe),circuit #2479, ...
2000 Volkswagen Jetta TDI 1.9L Hesitation VIN: 3VWSF29MO9
boost was always checked on this car with a scan tool and was always in spec.but when checking at intake manually boost was low,we ran a smoke test on this car twice and no leaks were found.we removed the intercooler and noticed the top would come apart when a...
2004 Volkswagen Touareg V6 3.2L engine VIN: WVGBC67L14
A big shout out to Lou, Mike and David. You all suggested the spool/vane valve inside the intake manifold. The clue to me with this problem was the fact that the noise went away completely @ 4k rpm and was not present until you hit 2500 rpm. The valve in quest...
1986 Volvo 244 DL 2.3L No Start VIN: YV1AX884XG
Turns out I did not replace the engine wiring harness. It was done by a Volvo shop in 2004. I figured I better check if the computer is getting a reference signal but had so little info on it. Justin [...] mentioned:"I think there is a single terminal connec...
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