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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 5, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
1998 BMW M3 3.2L monitors not complet VIN: WBSCD9324W
Hi BMW Techs, We have a 98 m3 here that wont run the evap, secondary air or o2 sensor heater monitors. We have performed the drive cycle test 4 times with no luck. There are no codes set or pending. We have started out with a cold after sitting over night, fu...
2000 BMW 323i 2.5L o2 sensor VIN: WBAAM3342Y
i have a p1188 and 1189 code , i did the intake manifold gasket and while removing replaced all vacuum hoses that were leaking as well as gaskets , both o2 sensors upstream and downstream and spark plugs , takes about 12 miles before codes pop up pending on sc...
2001 Cadillac Catera 3.0L No Communication VIN: W06VR54R61
I have no communication from DLC to Scan tool to communicate to PCM or TCM. I can communicate to ABS and Body Control. If I check serial data voltage on pin 7 of DLC it is 0 volts with no activity on lab scope. If I check serial data at pin 8 on DLC I see a 2....
2003 Chevrolet Malibu 3.1L wipers VIN: 1G1ND52J33
I'm getting this Malibu dumped in my lap tomorrow. Has gremlins or something. "Service Vehicle Soon" light comes on randomly, runs great. Periodically wipers will not work and when they do, will sometimes not shut off. Power windows periodically wont work from...
2009 Chevrolet Express 1500 4.3L heater core VIN: 1GCFG15X79
This van has a leaking heater core. I am to the point where the repair info says cut the heater box. Has anyone found an easy way to do this? There isn't much room to work thx MH
2009 Chevrolet Tahoe LTZ 5.3L cruise control, radio controls, bluetooth VIN: 1GNFC33009
customer came in last month for cruise contol switch not workin so we tested imput and output came up to replace switch so we ordered part customer came back so we could install part and find out cruise control, radio control and bluetooth controls on steering...
2011 Chevrolet Traverse LS 3.6L lite VIN: 1GNKVEED6B
the courtesy lites will not come on when doors are opened.have checked for bcm codes and none were found have used scanner to turn lites on and they come on when commanded have checked door ajar switches with scanner all go opened and closed with use of doors,...
1999 Dodge Durango SLT 5.9L No Start, Stall VIN: 1B4HS28Z8X
This is similar to other posts, but we are hoping some new people have dealt with a similar issue recently, The vehicle dies intermittently, generally only at idle. when it does the cluster says no buss. And we loose communication with scanner. We have only go...
2000 Dodge Ram 1500 ST 5.9L Stall, MIL Lamp on VIN: 3B7HC13ZXY
Hi all - truck came in dies and wont start for a while - 10 min to 1/2 hour. When there is a no start there is no fuel pressure no spark and no inj pulse. The gauges stay down and no buss signal shows on the dash. i ran the module test off the aldl connector a...
2006 Dodge Ram 1500 ST 4.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1D7HU18N96
I need some Dodge tech help. THis vehicle runs rough, black smoke out of tailpipe very poor gas mileage and of course cyl. misfire. I am not very aquainted with the newer Dodge pickups. This young man is headed for college soon and he doesn't want to go with t... Trouble codes: P0137, P0171, P0174, P00, 301 (misfire)
2008 Dodge Caliber SXT 2.0L no shift VIN: 1B3HB48B78
Hi everyone this is first time i am posting . 2008 Dodge Caliber came on Tow truck. Car is in limp mode there is no shifting or acceleration . Its happen when customer was driving the car on highway we check the transmission fluid , all grounds and electrical ...
1989 Ford F-150 Custom 5.0L MIL Lamp on VIN: 1FTDF15N7K
Got this lovely old ford that inherited from another tech. Scanned for codes got 41 O2 not switching lean exhaust. Cleared codes, and road tested vehicle. After coming off the freeway on a decel, check engine light came on with the same code. We replaced intak... Trouble codes: 41 (O2 Not Swtiching Running lean)
1998 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMZU32E3W
I'm looking for a wiring diagram for the PCM diode circuit. I have no power coming to the diode in the PDC. It should only be hot in the start and run position and I have searched all over NODATA to no avail. Does anyone have another source with a detailed des...
2008 Ford E-350 Super Duty 5.4L Running rich VIN: 1FDWE35L38
Two codes p2196 p2198 for o2 senors stuck rich checked scan data found maf air flow volts at 1.5 to 1.85 tested volts at sensor some tested grounds good. Replaced maf sensor and reset memory. Started test drove maf sensor volts come down to 1.01. Still running... Trouble codes: P2196 (O2s11 not switching correctly), P2198 (O2 sensor stuck rich bank 2 sensor 1)
1996 Honda Odyssey LX 2.2L MIL Lamp on VIN: JHMRA1866T
Hey, I have this Odyssey That keeps throwing this egr code! I know the system is completely clean. I'm thinking I have a control problem. Vacuum going to vacuum control valve is 20hg., coming out to the egr solenoid is 6 in hg., going to egr valve when solenoi... Trouble codes: P0401
2005 Jaguar XJ8 4.2L Steering VIN: SAJWA79CX5
Our customer brought in this vehicle with complaints of the power steering going heavy while driving. He also states that all fault indicators illuminate on the dash when the problem occurs. After restarting the vehicle, the problem goes away. It has occured t...
2006 Kia Sedona LX 3.8L Possibly axle VIN: KNDMB23366
This vibration feels like a axle joint under acceralation but the axles have been changed once already but I am wondering if this could be a weigh transfer vibration like a motor mount but the motor mounts look and all check to be ok also tranny mounts a good ...
2001 Lexus IS300 3.0L A/C And Heating VIN: JTHBD18241
Hello and than you for taking the time to help me on this one. I have an '01 Lexus is300 with the automatic climate control system. The car was just purchased by my customer and they brought it in for a/c service. Freon levels were good but the compressor woul...
2005 Lincoln LS Luxury 3.0L Hesitation, Cuts out, Stall VIN: 1LNHM86S95
Hello everyone. I have this LS that has been eating my lunch. First off this is a dealership car. They washed the engine compartment and apparently it all started from there(I believe it had problems before the engine wash). Had a very heavy misfire and no acc... Trouble codes: P0316
2008 Lincoln Town Car Executive L 4.6L dtc(s) VIN: 2LNHM84WX8
hello everyone, i got a brain teaser here and im leaning towards a ecm problem but here we go. i got this 2008 towncar from another shop and they replaced all four o2 sensors, egr valve, and evap purge vale. problem was still their so they kicked out to me aft...
2007 Mercury Grand Marquis LS 4.6L No Start VIN: 2MEFM75V47
hi guys got a good one here in from other shop that has had for 2 months no fuel pressure other shop has put 4 pumps in car would run for different times every time till it was towed to my shop where it would only run when it wanted to after check for codes an...
2000 Nissan Maxima GLE 3.0L Misfire, MIL Lamp on VIN: JN1CA31DXY
Ok so now veh comes in with a P0172 system rich B1 and P1320 primary ignition failure. It was noted on prior repair order that plugs were worn and recommended replacement. Ohmed out CKP sensor to find slightly out of spec when hot only. No misfire was / is pre... Trouble codes: P1320 (Ignition signal primary), P0172 (System too rich B1)
2003 Nissan Altima SE 3.5L Hesitation, Pinging VIN: 1N4BL11E13
Hello everyone. This one is draining my energy. Car starts very good, idle is very good. No abnormal engine noise. But it is pinging at WOT at around 4000 RPM and it lacks power. Code P0420 was pending with the MIL lamp off. Tested cat back pressure on both b... Trouble codes: P0420 (Catalyst System Efficiency Below Threshold Bank 1)
1994 Plymouth Grand Voyager LE 3.8L Engine Mount VIN: 1P4GH54L9R
Does anyone know what the proper orientation for the Chrysler front engine mount is. It's those little square mounts that you have to drive out and then compress together to hammer back in the mount bracket (see picture). As the mount is square, though, I am n...
1997 Pontiac Firebird Formula 5.7L Clutch VIN: 2G2FV22P2V
First time customer, vehicle towed in. Clutch in pieces and flywheel had severe hot spots. Refaced flywheel, New AMS clutch kit, trans mount, new flywheel bolts, fluid change. On roadtest, detected noticeable clutch shudder on acceleration. We weren't satisifi...
1998 Pontiac Sunfire GT 2.2L Misfire VIN: 4G2JB3247W
Im posting again about a car ive posted about previously with more info. This one is kicking my butt. Car originally came in complaining of a misfire on the highway at cruise, mostly going up a slight hill. Customer requested a tune up. After ignition tune up,...
2002 Saab 9-5 Linear 2.3L No Start VIN: YS3EB49E52
Hi to everyone. I have this saab that came in running, and customer stats that when they turn the car off it wont restart unless they use starting fluid. So they replaced fuel pump with used pump and have same issue. I get the car and try to start with startin...
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, MIL Lamp on VIN: YS3FB49S53
Mil on with dtc p0546 and p0606. The procedure says to update ecm software using the tech 2. I got security access using the tech2 removed and then re-added the ecm, then tried to go in and update the ecm using the sps service program software function on the ... Trouble codes: P0546 (Exhaust gas temperature sensor circuit open or short), P0606 (T8 control module internal fault)
2006 Saab 9-3 Aero 2.8L Multiple DTC's, warning lamps. VIN: YS3FH41U46
Originally vehicle came in with intermittent no crank problem. No other symptoms existed. No codes detected with tech 2. Battery and charging system test good. Replaced battery disconnect switch that disables the vehicle battery if bags deploy. Car was returne...
2000 Subaru Forester L 2.5L MIL Lamp on VIN: JF1SF6351Y
this suby went 193,000 miles before it threw this knock sensor code.(which in itself is amazing!),and now I can't get rid of it!when I pulled the code,i figured I just had to replace another Subaru knock sensor.the new sensor was an oe,and after cleaning the b... Trouble codes: P0325
2000 Toyota Sienna LE 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 4T3ZF13C5Y
Got P1130 and P1135; quickly assumed that due to mileage and codes the sensors should be replaced. Wondering if I am overlooking anything prior to replacement; any advice would be appreciated. Have a good weekend! Trouble codes: P1130 (Air Fuel Ratio Sensor No. 1 Bank 1), P1135 (Air Fuel Ratio Sensor No. 1 Bank 2)
2002 Toyota Sequoia SR5 4.7L No Start VIN: 5TDZT34A62
Hello everyone and thanks for the help. I have this Sequoia in that, according to the customer, won't start intermittently but cranks fine. It is logging a code P0335 for crank signal. I have put a new Toyota crank sensor in and no help. This vehicle only acts... Trouble codes: P0335 (Crankposition sensor signal)
2003 Toyota RAV4 2.0L Pcm VIN: JTEHH20V53
The repair information for this does not have the information I need for this circuit. I have the wiring diagrams and color codes. I do not know what to expect for voltage to the solenoid. At times it reads 5v, at other times it does not have any. I thought it...
2001 Volkswagen Cabrio GLX 2.0L No Start VIN: 3VWDC21V21
HELP VW EXPERTS!! This cabrio is driving me crazy. Came in for cranks but no start. No codes. Replaced crank sensor and ign coil with vw parts. Has strong signal from crank sensor to ecm. even ran wires directly to ecm just in case from crank sensor. Replaced ...
2001 Volkswagen Passat GLX 4 Motion 2.8L Poor Idle Quality, Stall, MIL Lamp on VIN: WVWTH63B61
Car came in from a transmission shop in pieces. They had replaced cam sensors and the ECM. After coming in we double checked timing to find right side had jumped and was a tooth off. We pulled the cams, replaced the tensioner and positioned the cams with the c... Trouble codes: P0346 (Camshaft Position Sensor A. Circuit Range/Performance. Bank 2), P0341 (Camshaft Position Sensor A. Circuit Range/Performance. Bank 1 or Single Sensor)
2002 Volkswagen Jetta GLS 1.8L Brake Caliper VIN: 3VWSE69M42
Replaced left rear brake caliper. Bleed system. Apply brake pedal and piston extracts. Piston retracts as pedal retracts. I'm having a brain fart. What am I forgetting? Thanks in advance. al
2004 Volkswagen Beetle GLS 1.8L convertible VIN: 3VWCD31Y54
The convertible top went down in the am and would not go back up. Scanned individual module with Vag-com and no communication with the top control module. Ran a full scan on the vehicle and no faults showed up. Checked circiut breakers at the relay panel-ok. C...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Acura TL 2.5L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: JH4UA2653T
Hello Fellow techs, first thanks for all those who replied. I did do the following. Check and adjust valves, check compression @ 160 psi, no coolant in cylinders when cranking with cold engine and plugs were removed. No miss when spray water on plugs, wires, c...
2002 Acura MDX Touring 3.5L 1st Gear VIN: 2HNYD18682
Hello to all. Ended up giving the customer a different remanufactured transmission. Customer did not have the time because rental car bill was adding up. Thanks for all your help.
2004 Audi A4 Quattro 1.8L Fuel gauge VIN: WAULC68E14
Mukesh from India hit it spot on. I performed recalibration procedure, and the gauge is spot on. Thanks for your input guys!
2004 BMW 330Ci 3.0L Mechanical VIN: WBABW53474
howard was right. it was the valve in the valve covers. cleaned intake real good and replace valves in valve covers. pretty sure this tooik care of problem.
2004 BMW 525i 2.5L Unknown VIN: WBANA53544
Well, after driving the car for two days seen to be fixed. I replaced the sleeve for the transmission connector and the shifter assembly since I had a code for it.sorry to take so long on this but the problem was the customer that didn't have the money for the...
2001 Chrysler Town & Country EX 3.8L lose power to coils VIN: 2C8GP74L51
Thanks to all of you who responded to my request for help. Turns out I had two things going on. High resistance (44 ohns)in the BR/WT wire from the ASD to the coil pack. Found that and fixed it, but then lost voltage to the fuel pump. That turned out to be a b...
1999 Dodge Ram 2500 5.9L Poor Idle Quality, Cuts out, Stall VIN: 3B7KC26ZXX
thank you for the help however still not a resolution to this. vehicle has been sent to a dealer wish them luck however a week later and the dealer has no solution either
2003 Dodge Ram 3500 5.9L Hesitation VIN: 3D7LU38663
First of all, I appreciate the replies and help. What really threw me off was the "high speed governor" final engine state which led me to believe i was gettting some info bussed in that was causing the problem, so I removed the ecm from the bus along as unplu...
2006 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3EL46T46
I received three relevant replies regarding an exhaust leak. Trying the pressure method, no leaks were found using soapy water. We tried a different method...we sprayed brake cleaner up and down the exhaust while watching the rear O2 sensor readings. When we h... Trouble codes: P0430, P2098 (possible rear o2 sensor).
2003 Jeep Liberty Limited 3.7L engine rattle VIN: 1J8GL58K33
Well after checking compression(150 on all 6) I tore back into engine. I pulled the heads back off and found slight witness marks on pass side pistons from intake valves. we sent 'em back to machine shop where they actually rebuilt the guides and put new valve...
1994 Land Rover Range Rover County LWB 4.2L Windows VIN: SALHC1342R
Unfortunately I have been unable to identify the connector and associated module for the Range Rover. I even attempted to find a twenty pin connector in the diagrams associated with the window circuits. I am building a relay box to make the windows operational...
2009 Lexus RX350 3.5L compressor VIN: 2T2GK31U19
the clutch relay is made into the underhood fuse panel. we could never get the compressor to fail, so we asked the customer to return when it happened again. have not heard anything from them yet. thanks for the help.
2007 Mazda 3 S 2.3L brake pedal VIN: JM1BK12417
after sending the vehicle to the dealer and having the reprogram on the abs module also a automated bleed the pedal has not faded at all customer has the vehicle with no complaints. thanks for the advice.
2008 Mercedes-Benz Sprinter 311 2.1L body control unit?
First I would like to thank everyone who tried to help. After contacting a friend in Bell Trucks Newcastle's Commercial Mercedes dealer i was advised it was a software issue took it in 20min and 100 job done according to my contact at above dealership it is a...
2001 Mercury Sable GS 3.0L master cyl VIN: 1MEHM59S41
we replaced the brake master cylinder and booster , that fixed the problem . thank you all for the help.
2006 Nissan Xterra X 4.0L Tcm VIN: 5N1AN08W06
The parts supplier in CT claimed they had the part but after over two weeks I gave up on trying to get them to deliver it, So I bought a new valve body/TCM from Nissan, I also installed an after market trans cooler and flushed the system. This fixed the proble...
2006 Nissan Maxima SL 3.5L Timing chain VIN: 1N4BA41E66
yes. this one is fixed. took out the cover by the engine/trans. locked the drive plate by a drift pin against the upper oil pan. loosened all cam sprockets. installed all 3 chains and guides. for the secondary chain tensioners, just replaced the shoes not the ...
2003 Saab 9-3 Arc 2.0L steering column VIN: YS3FD46YX3
Justin told me that the error message the customer had seen was for an electro-hydraulic power steering system and did not apply to USA market cars. Other people hinted at the same thing. So I decided to try driving it despite the possibility of having the ...
2006 Toyota Sequoia SR5 4.7L MIL Lamp on VIN: 5TDBT44A26
Sorry for the late closing. The EVAP canister assembly was replaced again. Problem has not come back. Veicle passed self-evap test via the verus-pro as well as passing evap monitor during test drives. Thanks everyone! God bless. Trouble codes: P043E, P043F, P0453 (EVAP emissions control system pressure sensor high input), P2401 (EVAP emissions leak detection pump stuck off), P2402 (EVAP emissions leak detection pump stuck on), P2419 (EVAP emissions pressure switching valve stuck off).
2007 Toyota Camry XLE 2.4L compressor VIN: 4T1BE46KX7
Well, we replaced the compressor, condenser, & expansion valve. Flushed the rest of the system & installed a screen in the suction side at the compressor. It's been about 10 days. I called my customer today & he said all is well. I hope it's fixed...time will ...
2006 Volkswagen Jetta TDI 1.9L noisy operation VIN: 3VWST81K76
I will rate this as a partial fix and close this post as replacing the dual mass flywheeel got rid of some of the noise. After reading the replies I have to go with an internal trans issue for the remaining noise. At this point the client has not decided if he...
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