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Prev Professional Automotive Repair Technical Discussions for April 19, 2008
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Help Request Answers
2001 Cadillac Catera 3.0L Misfire, MIL Lamp on
this car came in for an oil change, mil was on and customer requested a diagnosis. there was two codes present. p0171 and p0174 fuel pressure checked and is within spects. while checking data fuel trims are above 20 off idle at idle they are +-5. there is a ts... Trouble codes: P0171, P0174
2000 Chevrolet Monte Carlo LS 3.4L 1-2 shift VIN: 2G1WW12E6Y
I aquired this car from one of my customers.It needed an intake manifold gasket,cooling fan assy.& a radiator. It was more money than he was willing to spend so he sold the car to me since I have a teenager that will be needing a car in the near future. He men...
2007 Chevrolet Avalanche LS 5.3L TPMS& remote VIN: 3HN567UQWG
both the TPMS and the remote quit working on this truck . all data says the there is a RCDLR remote control door lock receiver but gives no location. also will not go in to TPMS lean mode and remotes do not work. software on the tech 2 does not show a RCDLR al...
1999 Chrysler Sebring JXi 2.5L No Start VIN: 3C3EL55H7X
Car came to shop as no start. Original complaint from previous shop. Owner said car surging, car was driven into their shop & left over night. would not start in am. Towed to our shop. Cked for codes no codes in pcm. It does communicate, have cam & crank sign...
2000 Chrysler Sebring JXi 2.5L Stall, Misfire, MIL Lamp on VIN: 3C3EL55H3Y
Hi evryone and thank you in advance for any help. We have a 2000 Chrysler Sebring LXI Convertable with the 2.5 V6 engine. The car had a recent past history of stalling out. We would tow the car in and it would start right up (no codes)and run all day. After a... Trouble codes: P0300
2002 Dodge Grand Caravan Sport 3.3L Hesitation, Surge, Cuts out, Stall, Misfire VIN: 2B4GP44R32
Customer complains of vehicle running rough, stalling at times, esp. when put in reverse. Has had recent T/up and ran fine in shop on three recent ocassions. Checked and found codes listed above, on R/test yesterday, unit stalled at idle and would not restart ... Trouble codes: P0725 (Engine speed sensor), P1684 (Battery power to module disconnected)
2005 Dodge Ram 1500 Truck ST 4.7L Stall, MIL Lamp on VIN: 1D7HU18N95
dodge techs i am working on 2005 dodge ram 1500 p/u 4.7 liter.has po300 intermitten.i replaced all spark plugs.take it for test drive no codes and runs fine.customer picked up to truck and 2 days later light is back on with same code.when monitor the missfire ... Trouble codes: P0300
2005 Dodge Magnum SE 2.7L a/c compressor and lines VIN: 2D4FV48105
Chrysler Techs, I have a 2005 DODGE MAGNUM here that has a vibration/humming noise while A/C compressor is on the noise is magnified inside the vehicle. I used a sethascope and the vibration/humming noise is more from the low side line about three inches of th...
1994 Ford F-250 XL 5.8L Rear Brakes
All previous repairs were done over a period of two years. Rear wheel cylinders leaking, replaced w/new shoes and hardware.Vacum booster was replaced at this time due to breakage during bleeding session.Booster had rusted out internally. Axle seals were later ...
1994 Ford Mustang GT 5.0L Battery VIN: 1FALP45TXR
Hey guys! I have this Mustang convertible GT here that kills the battery after sitting for a few days. The current measurements are listed above- I swapped an illumination module from another Mustang here in the shop and it was the same same. 92ma draw, minus ...
2002 Ford F-150 XL 4.2L engine VIN: 1FTRX17222
hi guys I have a bad idle vibration @ 900 rpm, in drive or reverse very smooth not missing no codes. load in drive to 900 rpm vibrates, in nuetral rpm @ 900 vibrates , accelerate in nuetral 1100 to 3000 o.k. mounts o.k. removed belt still vibrates balancer has...
2002 Ford E-350 Econoline 5.4L timing chain VIN: 1FDWE35L52
I need help on the alignment procedure for the the timing chain and gears. I have had several of these 5.4L apart in the past, but I was the one who did the tear down and assembly. This vehicle was towed in with the pass. side(right) head and chain removed to ...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Stall, MIL Lamp on VIN: 1FTNW21P94
customer had the engine pressure washed and now the problems happened. i replaced the cam and crank sensors simply because he was in a hurry but it didnt fix anything...still the same codes. when u start the truck up it will idle perfect all day if u want it t... Trouble codes: P0620 (gen. con. circuit), P0623 (gen lamp cont.), P1148 (gen 2 circuit), P2614 (cam signal open), P2617 (crank signal open)
2002 GMC Savana 3500 5.7L No Start, Poor Idle Quality, Surge VIN: 1GJHG39R52
HELP. this van has an intermitent problem with the intake air temperature sensor,coolant temperature sensor,tps,and map sensor. most of the time the reading are right on but the odd time the iat will read -40 while the coolant sensor might say -40 or +253 the ...
2002 Jaguar X-Type 3.0L cooling fan VIN: SAJEA51C72
Help, I only have a partial wiring diagram. Veh came in for overheated problem (towed in). Customer stated that it suddenly overheated (went to red and was shut off by customer. When it arrived at shop it started and ran fine. Filled with coolant and checked, ...
1998 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GZ58S9W
Originally blown ASD relay fuse - Installed new fuse, started right up - Drove vehicle and ran ok, backed into parking place and stalled, blown fuse again. Investigated and found downstream Oxygen sensor wires shorted by rubbing on driveshaft yoke. With this I... Trouble codes: P1391 (Loss of Cam/Crank signal)
2002 Mazda Tribute ES 3.0L No Start VIN: 4F2YU09162
I need some help Mazda tech specialized. I order new PCM from the dealer by the vin now car will not start key flashing light in dash that not recognize the anti theft, pull code #1698 ? do I need to re-flash that PCM ? I don't have any scan tool capable to do... Trouble codes: 1698 (PCM Error)
1982 Mercedes-Benz 240D 2.4L vacuum VIN: WDBA23A1CB
Need some info on vacuum system, to the injection pump and the transmission, the injection pump has 4 vacuum lines, back is engine kill, other 3 i do not know. Transmission has 1 line I would think this should have vacuum at idle and part throttle, and no vacu...
1995 Mercedes-Benz E320 3.2L seat belt motor VIN: WBD8667907
ok guys, this one has a very loud passenger side restraint motor, the drivers side also makes noise but not as much. every time the ignition is switched on it makes a grinding noise for about 5 seconds, also when the belt is buckled it cicles again.My question...
2003 Mercedes-Benz CLK430 4.3L serpetine drive belt VIN: WDBLK70G73
Thanks in advance for any help, the serpetine belt broke because the tensioner pulley froze up. Waiting on parts to complete this repair. The tensioner pulley was very easy to remove but the idler pulley m50 torx bolt will not clear the water pump hsg it hits ...
2008 Nissan Altima S 2.5L battery dead VIN: 1N4AL24EX8
I have an Altima Coupe runs fine no proble until I bought a 2008 Nissan Rogue both run fine about 10 days ago I was programing the radios on both and made the mistake of having both remotes on me one in each pocket,I set the alarms in each vehicle and the next...
1997 Plymouth Grand Voyager SE 3.0L starter VIN: 2P4GP4434V
Customer came in complaining that back up lights stayed on all the time and wouldn't start sometimes, and sometimes he could move the shifter through the gears and hold all the way up in park and it would start. It started every time for me, the funny thing is...
1996 Pontiac Bonneville SE 3.8L Headlamps VIN: 1G2HZ52K4T
Hello all, hoping to find someone taht has run across this before. The headlamps are always on, including the running lights front and rear. I have checked and cleaned the grounds at the kick panels both sides, as well as the ones under the hood. No effect. I ...
1996 Toyota T100 SR5 3.4L No Start VIN: JT4UN24D9T
any ideas would be greatly going to go and check volts to starter siloniod,koeo @ in start that its back to garage,other test were done in CUMBERLAND Farms parking lot it just got here 10 mins ago.tow trucks been busy around here,wia...
1991 Volvo 940 T 2.3L No Start VIN: YV1JA8747M
Car came in on a tow radio missing, wires cut. Fuse 11 no power. fuse 12 blown. I put another fuse in fuse 12 didn,t blow.I ran a fused jumper wire to fuse 11. Power to fuel pumps was restored without blowing fuses. Attempted to use diag connector, LED on stea...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi Allroad Quattro 2.7L ABS module VIN: WAUYP64B41
Friends, many thanks for your time and advise, especially to Mark "Jake" Jacobson, who described the coding procedure in detail and provided LOGIN and CODE, also after ABS module coding you have to adapt steering angle sensor. After successful LOGIN ,ABS modul...
2002 Audi A4 1.8L MIL Lamp on VIN: WAULC68E02
Hi all. Chalk this one up to a lack of familiarity with the WAY a VAG system responds to circuit conditions, lack of understanding of component identification due to lack of experience... And borderline ridiculous design theory thrown in there just for fun?... Trouble codes: P1530, 17700 (MAP controlled engine thermostat circuit open).
1993 BMW 325i 2.5L blower motor VIN: WBACB3324R
bad new resistor,hope this helps anyone second guessing meter readings
2003 BMW X5 3.0i 3.0L intake manifold VIN: 5UXFA53583
Thank you everyone for your assistance. I ran the engine with the belts disconnected - noise was the same. Removed DISA and the intake boot, throttle body, IAC - all parts in good condition. Cleaned and refitted all. Smoked intake - no leaks found. Compared w...
2003 BMW 325i 2.5L oil can lite VIN: WBAAZ33463
2005 Chevrolet Monte Carlo LS 3.4L Poor Idle Quality, Surge VIN: 2G1WW12E95
Thanks for the replies. We found a chaffed wire from the TPS under the throttle body. Glenn
1991 Chrysler Imperial 3.3L Air supension VIN: 1C3XY56R3M
I ended up putting air shocks on the rear of this car, seemed like the cheapest way out. Thanks to the guys that took the time to reply!
1999 Dodge Grand Caravan ES 3.8L No Start VIN: 1B4GP74L3X
Thanks all! As many suspected the rebuilt PCM installed turned out to have anittheft software installed in error. It was sent back and a factory unit installed. After entering the VIN and milage it started without a hitch. FWIW the BCM wasn't effected/infecte... Trouble codes: P1598 (hi ac pressure).
2003 Dodge Ram 3500 Truck 5.9L Excessive Emissions, MIL Lamp on VIN: 3D7MA48643
We have the truck reflashed to OE software, had problems doing the first flash, didn't install correctly. Had to reflash for the second time. All went well must keep battery voltage up during the flash and take your time. Installed VIN test, drove to do relear... Trouble codes: P0234 (over boost).
2000 Ford Focus Sony Limited Edition 2.0L starter VIN: 1FAFP3430Y
I waited awhile to see if this one came back to me. I checked the connections under the fuse box, cleaned up grounds and replaced the ignition switch. I took the switch apart and the contacts wern't totally burned but they looked like they could have been a pr...
2001 Ford F-250 Super Duty Lariat 7.3L No Start, Stall VIN: 1FTNX21F61
Thanks for the help! I didn't know a thing about the Ford diesel system when I opened the hood on this one. The fix turned out to be IDM. The key to the diagnostics was -we- (I consider this a iATN team project)had a good cam signal into the PCM and a good inj... Trouble codes: P0670.
2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1GKDT13W7Y
F I N A L L Y ! ! ! Thanks for all of the replies and suggestions, but it turns out when all else fails go back to the beginning and start over. I left this Jimmy alone for a day, and went back to it fresh, seems I couldn't see the forest for the trees, I ... Trouble codes: P1122 (TP sensor circuit intermittant low voltage).
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTY16473
Not sure if this is fixed yet, but I have at least isolated the problem(more or less). More extensive tested has revealed that the O2 sensor readings were dropping out intermittently due to a fault in the wiring between the O2 sensor and the CPU. I had previ... Trouble codes: P0150 (O2 Sensor Circuit Malfunction Bank 2 Sensor 1), P0174 (System too Lean Bank 2), P1174 (Pending Code System too lean Bank B).
2001 Lexus RX300 3.0L Poor Idle Quality, Stall VIN: JTJGF10V21
I need to apologize to the network and everyone who responded to my request for help for not closing sooner. I could've closed in one day and simply took this network for granted by forgeting to let everyone know that it was fixed. Nearly everyone who respon...
1995 Toyota Camry 3.0L door latch
Want to thank all that replied. I decided that tweaking the inner door panel wasn't a good idea. And removing the outer door handle wouldn't gain me much access, especially with the plastic slim jim covers. Heres how I attacked it. First off, put the drivers w...
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