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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 21, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
1996 BMW 318i 1.9L Readiness monitors VIN: 4USCD8327T
Customer has been driving vehicle for months in hopes to complete readiness monitors. Thermostat was not allowing vehicle to reach operating temperature, so we replaced that. Could not find any other anomalies.we have also noted that under acceleration, at hig...
1997 BMW Z3 Roadster 1.9L MIL Lamp on VIN: 4USCH7320V
Hello Have a Z3 here that will set knock sensor codes (pending) after first drive cycle. We replaced the knock sensors a couple of weeks ago. Car came back again. We again ohm'd out the wires from pins 70 and 40 and all chacks out OK. The new sensors ohm out ... Trouble codes: P0325 (knock senor 1 BMW code 210 detected 74 times), P0330 (knock sensor 2 BMW code 211 detected 222 times)
2001 BMW X5 3.0i 3.0L Unknown VIN: WBAFA53551
customer drove car into shop with ABS, brake and traction control lights on. read the diagnostics. attempt to read codes. sometimes I can access the system and sometimes it I cannot get through (no communication) When I can access the system I get... Instrumen...
2003 BMW 325xi 2.5L No Start VIN: WBAEU33403
Ok i got a real headache on this one we replaced the pcv on this bmw (oil seprator) with the updated one from bmw for an ideal rough running problem and seeing how the car has 100,000 miles on it we also put plugs in it as well after all said and done the car ... Trouble codes: F4 (Theral oil level sensor), 11 (Tank level sensor 2), D7
2005 Buick LaCrosse CXL 3.8L Abs Module VIN: 2G4WD56285
Intermitent unwanted abs activation ( every couple of days ) and sometimes abs & traction control lights will come on, but not always. Replaced the right front sensor & hub 1 month ago ( although it tested fine ohms & millivolts ) and was good for three weeks....
1994 Chevrolet C1500 Cheyenne 5.7L 1=2 shift VIN: 1GCDC14K0R
scanned trans and shift soll A as a code,r&r all sollnoids n scanner shows second but mechanically no applied,got third n fourth n reverse fine.took tranny out n found bushin at rear of pump never been replaced.tranny person installed bushin.installed tranny n...
1997 Chevrolet Tahoe 5.7L trans 2-3 shift hesitation VIN: 3GNEK18R5V
This Tahoe was towed in from an auction with the T case sitting in back of truck. Someone had gone to a lot of trouble to seal off trans so fluid would not leak out because of tcase not being installed. Parts of the tcase were missing so I assumed that was the...
2002 Chevrolet Monte Carlo SS 3.8L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2G1WX15K32
HEY GUYS,THIS ONE IS DRIVING ME CRAZY!it will intermitently stall,surge,run rough and be very hard to restart.will do this at idle or cruise.hot or cold.when this happens the trac off light comes on,the battery light comes on and the check engine light flashes...
2004 Chevrolet Avalanche 1500 Z66 5.3L Engine VIN: 3GNEK12T04
chirping noise coming from behind the balancer when engine warms up, suspect oil pump but not certain. Anyone care to share? Thanks in advance for your time.
2005 Chevrolet Silverado 2500 HD 6.0L headlights VIN: 1GCHK24U05
Thanks in advance for any help on this truck. Customer states that the headlights do not work. Also stated that when the key is turned to the off position the headlights come on. Vehicle has Auto Headlight feature. We verified the customers concern. We can tur...
1992 Chrysler New Yorker Fifth Avenue 3.8L No Start VIN: 1C3XV66L8N
We have a chrysler that the alarm keeps shutting down the fuel.. The customer had this car at another shop for the no start and had replaced the pcm when we got it we replaced the map sensor because it was shutting the injectors off, but after that all we ever...
2000 Chrysler Cirrus LX 2.4L Starting VIN: 1C3EJ46X7Y
Thanks in advance for any help,I need help with this one.I replaced the b.c.m. and every thing worked ok for a day came in the shop the next morning and went to start the car and the alarm went off,and I couldnt get it to stop tried to start the car and just c...
1996 Dodge Ram 2500 8.0L Poor Idle Quality VIN: 1B7KF26W6T
This vehicle will start cold and idle just fine as it warms up it will occasionally have a cylinder miss that drops the rpms about 100 to 150 rpm only when the vehicle is in park or neutral. It does not miss in drive or reverse There are no codes stored, fuel ...
1996 Ford Mustang GT 4.6L No Start VIN: 1FALP42X8T
Hi Thanks for your time We have a mustang that was damaged when it was stolen. The car has some of the theft system wireing gone and PATS module missing and the PCM damaged. I think there is some of the 96 mustangs non cal 4.6L did not have pats systems progra...
1998 Ford E-350 Econoline Club Wagon XL HD 5.4L MIL Lamp on, No power VIN: 1FDWE37L5W
Hello I have this e-350 I am digging into it was brought to me with exhaust cut off and a new cat on it with a lack of power. It had a code of p0171 and a rough idle the long term fuel trim bank 2 is low and the Maf sensor is a little out of range I am not pic... Trouble codes: P0171 (testing and results)
2002 Ford F-150 XL 4.2L Hesitation VIN: 1FTRX17212
Vehicle was towed in, had to reprogram key to start truck, Trans was replaced wih used unit, speedo runs wild, setting code(P01270), Disconnect speedo sensor @ trans and Road test, Performance and drivability is restored, Swapped speedo sensor with O/E trans a... Trouble codes: P1270
2002 Ford Focus ZTW 2.0L Vibration VIN: 1FAFP36322
Vibration in car appears to match engine speed road test car,raised on hoist and inspected vibration can feel some vibration in oil pan engine torgue strap,and air cond. Compressor but not excessive,vibration seems worse when cold, and seem to get better as ca...
2003 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53UX3
Hello all. I have had this 2003 ford taurus with this mil light haunting me since before halloween. The vehicle originally came in with the fuel pump howling and no power, fuel pressure was originally low at 29-32 psi and the mil light was on with a po191. So ... Trouble codes: P0191
2003 Ford F-350 Super Duty XLT 6.0L left hub area VIN: 1FTSW31P43
While fixing glow plug system issue a few months ago, test drove and went through vehicle systems. Noted that while 4wd was active, there was a low roaring noise in front left. It would go away after disengaging but not until hub/axle disengaged. Noted issue i...
2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on, Reduced power VIN: 1FTWW31R18
This truck came to us after having recall for pcm re-program performed at dealer. Check engine light and wrench light come on and pcm reduces engine power. Checked codes and found P00B7 for engine coolant flow performance. Not a code we had seen before, but fo... Trouble codes: P00B7
2008 Ford Escape XLS 2.3L Smell VIN: 1FMCU92Z58
This Escape has a very strong fuel odor when left to sit overnight. This odor is only inside the car. There is no smell under the hood at the fuel pump access panel or under the car. No fuel is smelled through the vents either. You can run the car with the win...
2010 Ford Expedition XLT 5.4L Pcm VIN: 1FMJU1G59A
the above vehicle is used as an emergency response unit. the fire company reported to me that the vehicle was parked in the fire station, and twice the vehicle would not crank, dash cluster was dead, and had to be towed to a Ford dealer to have the PCM replace...
1996 Geo Tracker 1.6L Hesitation VIN: 2CNBE1862T
this vehicle runs very sluggish & hesitates when cold, after reaches operating temp. seems to run fine. Has fuel pressure within spec Idling an under load, no codes stored and scanner data all looks normal. pulled timing cover and inspected crank pully and spr...
2000 GMC Jimmy Diamond Edition 4.3L Electronic VIN: 1GKDT13W4Y
This automatic climate control equipped vehicle is not producing adequate heat. Engine temp is 88*C on the scanner, air temp does change when cooler temp is selected on the control, I reset the heat actuator motor, but the outlet temp pid never goes much above...
2004 GMC Envoy XL SLT 4.2L cam/crank correlatio VIN: 1GKET16S84
Hello, anyone out there have fun with one of these? I have a poor idle, cam/crank correlation situation. When you drive it cold it idles nicely but as soon as the cam actuator system starts doing its thing the cam angle desired and actual on the scan differ ... Trouble codes: P0016
2004 GMC Envoy SLE 4.2L bad vibration VIN: 1GKDS13S04
Hey there fellow techs! I need some help with this one. This Envoy came in with a complaint for a bad vibration, which under a quick road test, was able to be duplicated. You can feel the vibration from under the driver's seat and throughout the whole vehicle....
1999 Honda CR-V EX 2.0L Starter VIN: JHLRD1868X
Bookeeper's vehicle, No issue until Friday, stopped to get gas, shut off vehicle and no crank. Tried to jump start, NG, no click or anything, light illuminated on dash. This morning had different symptoms, fast clicking from starter like dead battery, installe...
2007 Honda Civic Hybrid 1.3L Radio VIN: JHMFA36237
Hello, I would first like to thank everyone for their time in helping me out. This is my first time posting and hope not to get anything wrong. The vehicle came in with a dead 12V battery and the Radio has locked up. The S/N is [...]. It does NOT have a n...
1997 Jeep Wrangler Sahara 4.0L No Start, Poor Fuel Economy VIN: 1J4EY49S6V
hello all. I have a 97 jeep wrangler thats kicking me in the coin pouch. vehicle came from another repair shop on the hook. checked basics, noticed that fuel pump is staying on and no communication. checked for sticking relay all is well. pulled spark plugs of...
2003 Kia Sorento EX 3.5L Rear Differential VIN: KNDJC73313
Customer came to me with a squeak when coming to a stop and taking off again. Didn't occur any other time. I found the rear upper control arm to the rear diff broken off. I don't see any other fix other than replacing the entire diff housing. Looking to see if...
2000 Lincoln LS 3.9L Poor Idle Quality, Surge VIN: 1LNHM87A5Y
after all coils were replaced car was fine was driven 240 miles came back in with surging idle and fueltrim -25 both banks. noticed that bank 1 will not switch unless we disconnected two injectors on bank 1. if we feels like another bad injector but I was wond... Trouble codes: P1138
2004 Lincoln Aviator 4.6L Drivers side Head
We looked at this truck awhile ago and the head was back ordered so my test results are not fresh in my head. I'm posting this from home so sorry for the lack of info, I will update when I get to work. This head has loss of compression and there is a TSB fro...
1998 Mazda MPV ES 3.0L Mechanical VIN: JM3LV5231W
Timing marks are not to clear have spark all 6 cycl noid light all 6 inj but the cyclenders on left side of engine are firing ok ,the right side of the engine are not fireing i cant get the tining right any body see this before thanks nick
1977 Mercedes-Benz 450SL 4.5L turn signals/ hazard VIN: 1070441203
I have been unable to locate the flasher in this vehicle, looked behind glove box, and kick panel on passenger side. Before tearing the entire dash out of the car I decided to submit this request and hope some one out there that is familiar with this vehicle a...
2000 Mercedes-Benz S500 Guard 5.0L Trans VIN: WDBNG75J1Y
Hello to all you benz techs out there. I have this car thats really got me stumped,it randomly goes in limp mode and wont shift,when this happens the message center displays "airmatic suspension visit workshop". you can stop the car and cut it off and restart ...
2003 Mercedes-Benz SL500 5.0L Unknown VIN: WDBSK75F13
Need some assistance from all the benz techs, This car has no heat. The coolant going in to the heater core is hot and the engine is up to temp, Cheaked all the basics, all fuses good, coolant level good. The controls in the car dont work i cant change the hea...
2004 Mitsubishi Eclipse GTS 3.0L fuel lines VIN: 4A3AC74H24
this car comes in with a rattle noise under car. after looking find out it is coming from fuel lines. they are all attached in there rightful place.checked fuel pressure and it is a little high about 7 psi unplug regulater and pressure go up about 8 psi.unhook...
1996 Nissan Maxima GLE 3.0L n running 4 monitors VIN: JN1CA21DXT
not running monitors no codes data looks good...over 100 miles.several drive cycles... misfire -complete,fuel system- complete,components-complete,catalyst- not complete,evap -not complete,o2 -not complete,o2 heater complete ...any help would be helpful
2004 Nissan Almera Comfort 1.8L Starting VIN: SJNBBAN164
Dear friends , this almera is called here at israel almera perfect and it is manufactored the U.K. this nissan started to drive on friday and after 3 minutes of driving it cut out the engine. the costumer tried to start the engine but it couldnt start the sta...
2005 Nissan Frontier LE 4.0L MIL Lamp on VIN: 1N6AD06W95
I have a smooth running engine that sets the ses on in 1-3 days. Prior owner of vehicle replace B2 front o2 sensor some time ago. New owner says it runs great but would like the light to stay off. I found the B2 sensor code checked sensor and it did not look l... Trouble codes: P1283 (A/f ratio sensor b2)
2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B02
Thanks in advance for reading, Vehicle came in with blown engine.(Hole in block) Swapped out engine with used, (81k) New water pump, timing belt, intake gaskets, plugs and usual fluids. runs fine, (even with MIL lite on) Tested for (+ and -) at heater wires (G... Trouble codes: P0134 (H02S Circuit Insufficient activity Bank 1 sensor 1), P0030 (H02S Heater Control Circuit Bank 1 sensor 1), P0135 (H02S Heater Performance Bank 1 sensor 1)
1988 Toyota Camry 2.0L No Start VIN: JT2SV24E8J
Vehicle came in with no start condition. He was driving down road and car just died. First thing I thought was timing belt. Ckd and it was good. Ckd compression and it varied from 115-150. When plugs were out they looked dry like not getting fuel. Ckd spark at...
2000 Toyota 4Runner SR5 3.4L check engine VIN: JT3HN86R84
This vehicle will set a P420, It came in for that we repalced the exhaust system (both cats), it had and has no exhaust leaks. Replaced also rear o2 sensor. vehicle left and drove for a while P0420 came back. Replaced Catalytic convertes again and rear O2 sens...
2006 Volkswagen Passat 2.0T 2.0L heat VIN: WVWAK93C46
Car has poor heat out face vents and defrost vents, but good heat out floor vent. When control knob for air distribution is changed ( from floor to defrost ) the motor for heat flap goes from full hot to half in between hot and cold. So air temp out defrost is...
1988 Volvo 244 DL 2.3L compressor VIN: YV1AX8847J
I need some help with this volvo. The vehicle came in with original r12 fittings and original equipment. Customer wanted to do a full conversion on it so we replaced condensor, expansion valve, new compressor, and reciever drier. After charging the system, the...
2001 Volvo V70 X/C 2.4L MIL Lamp on VIN: YV1SZ58DX1
i have this volvo that is killing me,within 5 miles the long term fuel trim will go to -25% and set the code we have smoke tested the intake for leaks/none,checked fuel psi 55-58lbs,checked the crankcase ventilation system 6mbar of vacuum,removed the fuel rail... Trouble codes: 261A

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 BMW 323i 2.5L Lighting VIN: WBABJ7326W
i would like thank everyone who offered help could not bmw scan tool so he has parked car for now no funds thanks again jimmy
2005 BMW 325Ci 2.5L Poor Idle Quality, Hesitation, Stall VIN: WBABW33485
well after looking at everything when i took off the intake I doomed the oil seperator and all the pcv hoses. Also replaced valve cover gasket and changed spark plugs. Vehicle started great and no more backfires. the night the intake blew it got down to 33 deg...
1999 Cadillac DeVille 4.6L Engine VIN: 1G6KD54Y0X
well here is the scoop.heater core was plugged n leakin under carpet leak showed at rea of car,bypass was solid plugged had to bypass n water started circulatin finally.a few more slow leaks also fixed n car holdin temp w/thermstat n place.thanks to all as it ...
1991 Chevrolet Corvette 5.7L Misfire VIN: 1G1YY2382M
Finally!!! Customer gave the OK for a/c plugs & a new set of injectors & BOOM!!! Runs great!!!As for the oil thats another story.Will start teardown soon to see where all this water/coolant is coming from but at least now its running on all 8!! I thank you for...
1994 Chevrolet Caprice Classic 4.3L Hesitation, Surge, Misfire VIN: 1G1BL52W4R
1996 Chevrolet Cavalier LS 2.2L torque converter VIN: 1G1JF5246T
fix was replacing the two sprockets in trans with the correct ratio,don zaiser from columbus ohio had an old post(2001)that was exactly like mine,when trans was rebuilt the wrong set of sprockets was installed,wow what a problem,thanks again for iatn archives,...
2003 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNDT13523
I have not fixed this vehicle as of yet. The customer declined any further diagnosis. I suspect it is a valve problem and that I will be pulling the head for a pressure check if the customer decides to go further. Trouble codes: P0300 (Random mis), P1523 (Throttle closed position performance), P1481 (Cooling fan speed sensor circuit).
2003 Chevrolet Tahoe LS 5.3L Unknown VIN: 1GNEK13T73
Thanks for all the great responses this one turned out to be a simple solution the tires though the same size were not the same brand and after measuring the circumfrence it was over and inch difference. The best test was to just rotate so that each axel had o...
2004 Chrysler Pacifica 3.5L Tpms VIN: 2C8GF68464
Turns out NAPA sent the wrong frequency sensors, replaced the sensors with the proper frequency and it learned all 4 sensors within 2 miles of driving. Thanks for all the help.
2002 Dodge Ram 1500 SLT 3.7L Engine VIN: 1D7HA16K82
Thanks to all replies. I will admit that this was a first for me. Noise ended up being #5 cyl wrist pin. I've never heard a wrist pin sound like a tappet before but suppose that this is the new norm due to tighter tolerances. Repalced piston assy, reinstal...
1994 Ford E-350 Econoline 5.8L Right rear brakes VIN: 1FTJS34H8R
This one was so simple, it is difficult to understand how we made it out to be so complex! Right e-brake cable was not releasing, overheated the brakes, drum and hardware. New brakes, hardware and one drum, new cable AND added e-brake release helper spring m...
1998 Ford Ranger Splash 3.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1FTZR15U0W
Lesson Learned. Customer was adamant that he had not changed injectors. Well... he did not tell us that he had a used motor rebuilt. He installed the injectors that came with the USED engine not the ones he pulled out of his truck. You guessed it, FLEX FUE... Trouble codes: P0172 ( [...] bank 1), P0174 ( [...] bank 2).
1999 Ford F-250 Super Duty Lariat 5.4L No Start VIN: 1FTNF21L4X
This vehicle has not been repaired tet but I believe that the fuel pump resistor id shorted. Waiting on the customer to deciede how he wants to proceed. I recommended fuel pump, resistor and relay. Thanks to those who helped.
2004 Ford Escape XLT 3.0L 2-3 shift VIN: 1FMYU93174
As most everyone suggested,it has a drum problem. I went through the tests that were layed out as far as range selector,ect and all of that checked out. I was hoping that it was a sensor problem as I am the only one at this shop. I have been working in Battle ...
2009 Ford E-350 Super Duty 6.0L RF Knuckle VIN: 1FDWE35P99
This one got shipped out. We checked the ball joints, radius arm bushings, shocks, stabilizer links. All seemed to be good. Boss said we had wasted enough time on it, and shipped it out. Thanks for the replies, sorry I can't give a fix.
2004 Jaguar S-Type 3.0L MIL Lamp on, stays in open loop VIN: SAJEA01T44
The new O2 sensor I installed was no good. I should have known since the box it came in looked like it was used for a hockey puck. All the replies said ecm is last thing to suspect and recommended testing the wiring to the sensor which I had already done(plea... Trouble codes: P1646.
2001 Land Rover Discovery Series II SE 4.0L Cooling Systems VIN: SALTY12451
I performed a heater core flush with a chemical cleaner. I poured the cleaner in and let it sit for a day. I flushed it out with a hose and reversed the heater hoses. alot of debris came out. bled the system and the noise is 95% gone. i still hear a little gur...
2004 Mazda 6 S 3.0L 3rd gear VIN: 1YVHP80D84
Since I have had the vehicle for 10 days - I've opted to go with another unit. To try all the suggestions it would require too much time and the customer has opted for this choice. Thanks everyone for yo ur help!
2004 Mercedes-Benz C240 2.6L Stall, Hard Start VIN: WDBRF61J64
No fix on this one, it has been called for a lack of customer funds. Apparently the fuel filter replacement was as much as they were willing to spend on the car. As I stated twice in the post, there were no codes in the system. Some suggested that a crank s...
2008 Mercury Sable 3.5L steering VIN: 1MEHM40W98
sorry,i had to let this one go,i did not fix it.it was costing me time and money.we cut our losses and did not charge the costumer a penny.i told the costumer to take it straight to the dealer,again thank you to everyone for the valuable input,it was greatly a...
1996 Mitsubishi Montero LS 3.0L Ride VIN: JA4MR41H8T
I have replaced the transmission mount, and all bushings in the rear radius arms. This did not fix the vibration. My nest step is to remove and inspect both front CV axles and inspect the joints. Thanks for all the ideas, anymore ideas would be great and ill r...
2006 Mitsubishi Endeavor LS 3.8L MIL Lamp on VIN: 4A4MN21S06
well due to the rules of iatn i have to close this post i have not had time to diag any farther but i will be sure to tell u the fix because my wife and i ended up buying the truck and she drives it dailly now so i will have to fix it because we all no how tha... Trouble codes: P0157 (02 signal low bank 2 sensor 2), P0137 (02 signal low bank 1 sensor 2), P0151 (02 signal low bank 2 sensor 1), P0131 (02 signal low bank 1 sensor 1).
2005 Nissan Altima S 2.5L chassis VIN: 1N4AL11D05
Well customer traded the car before I could do any more tests or repairs. All the replies except for a couple were stuff that I had already tried or done. Two made reference to using OEM parts and my thoughts is that is the best option. Tha nks for all the hel...
1992 Oldsmobile Cutlass Cruiser S 3.3L No Start, Cuts out VIN: 1G3AL54N6N
2004 Porsche Boxster S 3.2L unable to fuel VIN: WP0CB29864
Thanks for the replies. I have checked the lines and vent solenoid and valve, and even pulled out the filler neck. All were operating normally. There was a solenoid on top of tank that required removing tank to check, but customer declined any further diagnosi...
2004 Saab 9-3 Linear 2.0L Poor Idle Quality, Hesitation VIN: YS3FB45S74
Thanks again for all the input on this one. I smoke tested the intake on this one and found a very small leak at the rubber hose the goes between turbo and the intercooler pipe that wraps around the bottom of the engine. I pulled the hose of and it appeared... Trouble codes: P0101.
2000 Toyota Tundra SR5 4.7L Steering, Body VIN: 5TBRT3416Y
I thank everyone for their time & responses. The problem was resolved by removing the 1 inch stone from between the frame & the floorboard. The owner found it, even though i ran my fingers through the gap & didnt find it. I suspect the frame & body twist had t...
2002 Toyota Camry LE 3.0L Excessive Emissions, Poor Idle Quality VIN: 4T1BF32K02
well this one is fixed. first off i would like to thank every one that replied. you got my gears rolling. some other one in the shop replaced the timing belt and crank seal. you see ware this is going. yep there was a tooth missing on the ring that is on the b...
2009 Toyota Camry XLE 2.4L hvac VIN: 4T1BE46K19
Thanks for all the replies. After writing an estimate for evap replacement the customer states that he will live with the issue.
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