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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 21, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 328Ci 2.8L abs VIN: WBABM5343Y
Customer brought this BMW in because the ABS light and Red brake light is on. His complaint was that when braking and almost to a stop he would feel the abs in front engage. I have a Genisys scan tool that list's this ABS system but I can't communicate with th...
2011 BMW 328i xDrive 3.0L Starting VIN: WBAPK5C59B
Hi BMW techs and everyone, this flood car after some extensive repairs was working good. It did not have this problem originally. After replacing the shifter assembly from corrosion and flusing the trans because some water got in it, one day on start up it got...
2000 Cadillac Eldorado ETC 4.6L door ajar door locks VIN: 1G6ET1298Y
Hello fellow techs out there! Working on this Eldorado with a customer complaint, of door ajar message displaying on the dash while driving. Since it doesn't till you what door, used snap on solus ultra for diagnosis. Under body control module, inputs looked a...
1995 Chevrolet Corvette 5.7L Hesitation VIN: 1G1YY32P9S
This clean low mileage vette just falls on its face on accel, would not even back itself off the trailer when dropped off. Suspected restricted exhaust, removed LH oxygen sensor, no excessive back pressure (never above 1 psi), same results on RH bank. Removed ...
1996 Chevrolet S10 LS 4.3L No Start VIN: 1GCCS19W7T
Vehicle came to shop for poor performance & constant dtc code p300. It had original spider injection system. Update sefi unit ordered for it & installed. Now we have a no start condition & a p1351 code. there is no spark. but has good fuel pressure. code is cl... Trouble codes: P1351
2000 Chevrolet Malibu 3.1L Hesitation, Surge VIN: 1G1ND52J6Y
I picked this vehicle up for my wife. I was taking this car home and about 35 minutes of driving on the highway I lost power and engine died. Restarted after a few tries and continued to drive home. Pulled into the gas station and filled the tank, gas gauge we...
2001 Chevrolet Corvette 5.7L Instrument Cluster VIN: 1G1YY32G01
Alright corvette guys. This one is wearing me out. Came in with a no start complaint. Had a p1518 and a p1683. Problem was intermittent so i felt like it was an electrical issue (loose connecton, corrosion etc) checked grounds with no issue. Long story short: ...
2003 Chevrolet Suburban 2500 LT 6.0L No Start VIN: 3GNGK26U43
customer had this towed in for a no start, i got in it and it started right up. so i let it run outside for a while and it never quit. i then took it around the block and i was almost back to the shop when it started surging and quit at a stop sign. i cranked ... Trouble codes: B1440
2003 Chevrolet Silverado 2500 6.0L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GCHK23U53
Vehicle came in for no power not running. Had code p0300 and p0101 for maf sensor. Checked signal was ok. Checked vacuum and had a plugged exhaust. Cut off the converters, and all were plugged (cut off all four) still would not run under load and at cruising v... Trouble codes: P0300 (Random multiple misfire)
2008 Chevrolet HHR LT Panel 2.2L MIL Lamp on VIN: 3GCDA05D38
This HHR will intermittently set TP codes listed, has been to several other shops, had throttle body replaced multiple times, customer and us are aware of TSB for wiring harness chafing or poor ECM terminal contact. Came to me with codes cleared, have road tes... Trouble codes: P2119 (TP closed performance), P2135 (TP sensor 1-2 correlation), P2176 (Minimum TPS not learned)
2009 Chevrolet Malibu LT 2.4L Unknown VIN: 1G1ZH57B89
We have a difficult one. this car makes a rattle(plastic on plastic) noise when braking. all brakes are good and the car stops good. it have electric p/s. you can hear the noise from the drivers seat and it sounds like its coming from underneath dash. we repla...
1977 Dodge B300 7.2L No Start
Have no spark (most og the time). No spark cranking. Sparks when letting off the key. I have 335mv from the distributor at the module, cranking. I have 11.2v @ the coil + cranking. Coil - reads about 1 v KOEO. The resister reads 11.2v at the pink wires, and 7....
2006 Dodge Stratus SXT 2.4L 5th VIN: 1B3EL46X26
Customer states that it used to coast around 1700 rpm.
2008 Dodge Ram 3500 Laramie 6.7L Exhaust brake VIN: 3D7MX38AX8
Idle will elevate and exhaust brake will apply at idle. (VGT%95) Exhaust brake button is not pushed to the on position. When you rev engine up brake does not release and engine will lug. Rev engine several times and it will release and you can rev engine. When...
2010 Dodge Charger R/T 5.7L Misfire VIN: 2B3AA4CT5A
Vehicle will set cylinder 2 misfire every time engine rpm is above 3k rpm. I can duplicate the misfire in stall, in park holding rpm at 3300 or so for approx. 5 seconds and it will always reset cylinder 2 misfire. We have ruled out the usual stuff I believe, s... Trouble codes: P0302 (Cylinder 2 misfire)
1994 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30M7R
customer complant is vehicle will not start in the morning without using ether, once vehicle is driven it will start the rest of the day, i have verified the issue and have made the repaires listed under repair history, and vehicle starts a little bettter but ...
2000 Ford F-350 Super Duty Lariat 5.4L Air Intake VIN: 1FTSW30L9Y
Greeting's fellow tech's. I have this Ford truck emitting a low pitch moaning/groaning, howling noise from the Air Intake Snorkel when the truck is sitting in drive at idle. If I pinch off the Idle Air Bypass tube the noise stop's. If I rev the engine up a lit...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Mechanical VIN: 1FTNW21P24
Hello to all. We don't normally work on diesels but have this one in our shop for a great customer. They want to replace the glow plugs for maintenance due to mileage. I need help knowing I am not biting off more that I can chew. Alldata says left bank is .5hr...
2009 Ford E-350 Super Duty XL 5.4L Poor Idle Quality, Cuts out, Poor Fuel Economy VIN: 1FBNE31L19
Help Ford Techs & other fellow techs: I have a highway driven ford van here that has 341xxx miles with an engine with only aprox 40xxx. It came to us with a complaint running bad! There are no codes ,has a rough idle & not running good at hwy speeds [all spee...
2010 Ford Crown Victoria Police Interceptor 4.6L No Start VIN: 2FABP7BV1A
Towed into shop , has no fuel pressure, runs on motor-vac machine. Bypassed fuel driver module with two 10 amp fuses in fuel driver module connector ,75psi. Starts and runs and drives fine. Pulls code for p1233 for fuel driver module off line. And clears p1235... Trouble codes: P1235 (koeo self test / fuel pump control out of range)
2012 Ford F-250 Super Duty King Ranch 6.2L MIL Lamp on VIN: 1FT7W2B68C
This one is a favor scan for a guy that used to live in a camper next to my shop. It's a company truck that never pulls a trailer or hauls a load. Lots of highway time and a lot of idling time. The only freeze frame I could get out of my MODIS was for the P030... Trouble codes: P0015 (Cam timing), P0017 (cam timing), P0300 (multiple misfire), P0301 (1 misfire), P0302 (2 misfire)
2001 Hyundai Elantra GLS 2.0L Engine VIN: KMHDN45D31
The car came in on a toe truck. Cranks over but will not start. There is no spark at the plugs and no pulse at the injectors. I replaced the crank sensor. Still no start. There is little to no power at the crank sensor. Could not fine a wiring diagram. I think...
2008 Hyundai Accent GS 1.6L Cuts out VIN: KMHCM36C08
It's upsetting that I need to open this request as we think we may be being lied to. This car cuts out for a slit second several times when it is cold OUTSIDE. This morning was cold and I was able to remove the computer warm it up and install it in the cold ...
2005 Jaguar XJ8 4.2L Mechanical VIN: SAJWA79C65
Hello Group, This car has a timing chain noise on cold start up for the first 3 seconds and then goes away.Does not reoccur on a hot engine. Noise appears to be coming from variable valve timing units.I removed timing cover and examined timing gear.All chai...
1999 Jeep Grand Cherokee Limited 4.7L instrument panel VIN: 1J4GW68N1X
We dont work on many chrysler products,we have this jeep in here with a bus problem.When running all gauges cease to operate and all warning lights come on,also the power windows cease to operate as well.reset all codes in all modules and it is ok for a few mi...
2004 Jeep Liberty Sport 3.7L transmission VIN: 1J4GK48KX4
We do not usually do transmission repairs but got this 2004 Jeep Liberty in the shop with check engine light on and all fault codes are transmission related. Has anyone experienced issues with Transmission fluid pressure switch and where is it located? Oil lev...
1997 Land Rover Discovery SD 4.0L steering VIN: SALJY1249V
rover came in for death wobble in front end when you hit a bump.you have to stop completely to make it stop.have checked front end,pulled axles,tighted every bolt in front end.rover has lift and big tires,but went for years with no problem.steering damper is n...
1999 Lexus LX470 4.7L No Start VIN: JT6HT00W8X
Calls up on friday says his wife ran an errand and now it wont start. He is there with the car and I can hear him cranking it over the phone, it sounds normal just wont start. Hoping the belt hadnt failed I sent a wrecker for it, the wrecker driver also tried ...
2008 Mercedes-Benz E320 Bluetec 3.0L MIL Lamp on VIN: WDBUF22X48
Codes p2029-004 and p2669-002 keep returning after about 1k miles i have checked each wire from ecu to o2 sensor for resistance and applied a load to each wire ok. Checked power to o2 with a load ok car runs fine and fuel milage is great. I thought about atta... Trouble codes: P2029 (004- O2 sensor down steam twc pump current for om629 of oxygen sensor open curcuit), P2669 (002 - Check component for om629 g3/1 o2 sensor downstream of twc overload fault below limit)
1998 Nissan Frontier 2.4L no spark has injector pulse VIN: 1N6DD21S5W
Hello techs and thanks in advance 1998 Nissan frontier came in for vehicle inspection and emission test found code p0402 EGR code. it was being commanded all the time vehicle started drove and idled but was rough. so I sent computer to a company called SIA el...
2013 Other GM 2500 hd crewcab 6.0L Lighting VIN: 1GC1KXCG4D
Ok, I just got a new truck,put lighted running boards on it.I am looking for the dome light feed from the BCM so i can trigger a ry-30 relay to power the lights when the door is open.anyone do this yet.mitchell shows a grey wire,it is not correct.the installer...
2001 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH52831
This car came in with a P0410 secondary air injection system code. I checked the vehicle on a cold start to ensure that the air pump was commanded on at the proper time and temperature and the timing and temp checked out ok. The oxygen sensor didnt read lean l... Trouble codes: P0410
2009 Subaru Impreza 2.5i 2.5L Oil Leak VIN: JF1GE60699
Thanks in advance for any replies. I have this Subaru Impreza here with a severe oil leak coming out of the timing cover.I priced out all the front seals on the cams and crank. After removing the cam gears I noticed the cam seal on the right side head was drip...
1992 Toyota Corolla DLX 1.6L Excessive Emissions, High idle VIN: JT2AE94A4N
Ok, here we go. 1992 Corolla had bad head gasket, upon removal of cylinder head we found excessive coolant pitting on cylinder walls, appears that it had a bad head gasket for quite some time. We chose to replace the entire engine. Found a 1994 Corolla engine ...
2002 Toyota Sequoia Limited 4.7L Stall VIN: 5TDBT48A22
I have this Sequoia with a stalling problem. This is a drive by wire system with a cable backup. When you pull up to a stop it will just die start back up then die maybe once or twice then run fine. No Mil no codes. ??? Talked to my Master Toyota Tech friend a...
1998 Volkswagen Jetta TDI 1.9L emissions VIN: 3VWRF81H3W
TDI came in and would not pass emissions. EGR readiness test not passed. Has no pending codes. Checked valve and it opens when changing rpms with engine running. cleaned intake and EGR cooler. Both extremely plugged. re assembles and ran RPM's to 2,200 rpms an...
2002 Volkswagen Jetta GL 2.0L Misfire VIN: 3VWRB69M72
Car arrived with the listed codes stored. Also had a coolant temp code stored. Ran very poorly. Started by checking the basics. Had spark and injector pulse on all 4 holes. Plugs and wires were original, so we replaced them with OE parts. Also replaced the the... Trouble codes: P0300 (Random Misfire), P0302 (2 Misfire), P0304 (4 Misfire)
2003 Volkswagen Jetta GLS 1.8L Engine VIN: 3VWSE69M03
Original customer complaint was loud ticking/knocking noise and oil light on. Customer continued to drive home (~5 miles) with light on and noise. No smoking at this time. Inspected vehicle and found cam chain tensioner slack. Checked oil pressure, was 0 until...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Audi S4 4.2L Steering Pump VIN: WAUUL78E66
Thank you for all the advise. The final fix was to replace the pump for the third time. Before we replaced the pump, we did a complete flush again. I believe either the metal flakes in the system took out the first two pumps, or the first two pumps were not re...
1997 Buick LeSabre Limited 3.8L battery VIN: 1G4HR52K4V
THANKS to everyone that offered help on this one! Special thanks to Mikol, and Jose. I started cutting wires and when i finally got to the tamper switch input wire, it went away. well down to .02 anyways, which with this battery is under spec for draw. wha...
2005 Chrysler 300 Limited 3.5L MIL Lamp on VIN: 2C3JA53G95
Most replies pointed to PCM, and new PCM did fix the vehicle. I did recheck wiring between PCM and throttle for shorts to ground and voltage. Wiring tested good. After replacement and programming software and VIN to PCM, and another throttle relearn, there is ... Trouble codes: P2112, P2110.
2009 GMC Sierra 1500 SLE 5.3L Power door locks VIN: 2GTEK13339
I have yet to get the vehicle back into the shop, however I appreciate the valuable information I received on the replies. Now knowing the rear power door locks are not a BCM programmable option, I can create time for the tech to further investigate the schema...
2006 Honda CR-V SE 2.4L Poor Idle Quality, vsa VIN: JHLRD78906
2011 Hyundai Sonata GLS 2.4L Eps VIN: 5NPEB4AC0B
The body shop installed the incorrect knuckle following the accident. A sport suspension knuckle was installed and vehicle does not have a sport suspension package. Why that did not show up on the alignment is surprising to me, however the only visible differe...
1998 Lincoln Continental 4.6L Misfire VIN: 1LNFM97V8W
Fixed cylinder 5 misfire with new coil. Changed all plugs, they were soot covered...no signs of coolant. Did relative compression test before I pulled plugs. Cylinder 5 was a little weaker than the others, adding oil didnt change results much. I checked al... Trouble codes: P1744, P0305, P0171, P0174, P1741 (TCC Control Err), B1318 (Low Battery Voltage at Module).
1987 Nissan D21 E 2.4L Stall VIN: 1N6ND16SXH
After re checking everything I concluded there was a fuel injector issue. I hooked vehicle up to a motorvac fuel system cleaner and ran it for 30 minutes and the problem is gone. Thanks for the responses I received.
1998 Nissan Altima SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on
Thanks for all the help it looks like it is the intake manifold gaskets like so many of u said I'm waiting for the cuts to make a up his mind to fix or junk car. Again thank for all the help
2000 Nissan Frontier XE 2.4L Fuel Gauge VIN: 1N6DD26S2Y
Thanks for the replies. So i unplugged the sending unit at the frame rail and the gauge moved to empty. Plugged it back in and it went back to 3/4 full. I went to the gas station and filled it up. only took like 3 or 4 gallons and the gauge went to full. I'm c...
1985 Toyota Pickup SR5 2.4L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: JT4RN66SXF
Well after check and re-check everything, I found that also the distributor was wrong for this truck, I did have one with Vaccum and the right distributor don't have vaccum advance, 1984 EFI pick up shows to have that type, many parts on this truck was from ma...
1997 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K5V
The fix is in. First of all this was a problem with the evap pressure sensor located on the firewall circa the master cylinder on a 97 Camry. For a clear testing procedure let me quote Marty from Texas. "1. Check the EVAP pressure sensor signal voltage on t... Trouble codes: P0450.
2004 Toyota Tacoma 2.7L driveline VIN: 5TEWM72NX4
well i'll call this one kind of fixed. customer happy with it but i am not 100% satisfied. after replacing rear shocks due to lr totall shot , flopping tires all around and balancing them, driving vehicle without rear driveshaft in and measuring axle shaft run...
1988 Volkswagen Vanagon GL 2.1L Hesitation, Surge, Cuts out VIN: WV2YB0256J
Removing that extra cat fixed it. The 02 switching signal speed is now about twice as fast and the customer called and said it hasn't ran better since he's had it. (1.5 years). Thanks to all who offered advice.
1992 Volkswagen Cabriolet 1.8L Surge, Cuts out VIN: WVWCC5152N
Thanks for all the great replies. She is finally fixed. A few mentioned a problem with the air mass sensor. I checked it and could not get it to act up. All numbers looked fine on my voltmeter. I did some more research and found that they had a problem with vi...
2006 Volkswagen Touareg 3.2L Misfire, MIL Lamp on, Pinging VIN: WVGZG77L26
The fix was a new injector. I had a few techs suggest checking compression, and leakdown.Compression was ok. One suggested carbon on the valves. This is not direct injected, and the valves were perfectly clean(I looked at them when I had the intake off)One tec... Trouble codes: P0300, P0305 (Cyl 5 Misfire), P0325 (Knock Sensor).
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