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Prev Professional Automotive Repair Technical Discussions for May 7, 2012
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Help Request Answers
2001 Audi A4 1.8L Radio VIN: WAUWZZZ8D1
WV and audis made for japan markets have limited frequency range. Is NOT normal from 89 to 108Mhz. How do I change the frequency range? Please help
2002 Audi A6 Quattro 3.0L Engine Performance VIN: WAULT64B02
Hello fellow iatn members! okay the story goes like this - we have done a timing belt & components back in january / 2012. Everything was fine until a few weeks ago. Misfire on cylinder #6 - which came up to be the valve stuck open which was determined by a co...
2002 BMW 530i 3.0L Misfire VIN: WBADT63442
Hello my fellow techs.Got this 530i that had blown headgasket.We swapped heads with matching numbers.I have misfires on #4cyl and #6cyl when cold started.After a few moments # 4cyl seems to smooth out,but # 6 refuses to quit missing at idle.When you give it th... Trouble codes: P0304, P0306
1993 Buick Century Special 3.3L Surge, Misfire VIN: 1G4AG55N6P
Hello techs, this vehicle came in last week, the complaint was missing and no power. Spark plugs are fine, no codes, checked resistance on injectors, OK, removed fuel rail to check injector flow and pattern. With injectors removed we could look down port of #6...
2000 Chevrolet Express 3500 7.4L Transmission VIN: 5B4LP37J2Y
After driving a long distance going up a long hill Transmission downshifts then will not shift back into 4th gear.If you stop and turn off engine then restart it will shift into fourth. This happens intermittently. This is a 454 with 4l80e transmission. I have...
1996 Dodge B2500 5.2L Misfire VIN: 2B4HB25Y5T
My own van, was driving perfectly, suddenly started missing, had p0300 random multiple misfire & p0301, p0302, did full tune-up, wires, plugs, rotor, cap, pcv, filter. Seemed ok at first but when warm it starts to miss & codes po301 & p0302 come back. We swi... Trouble codes: P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire)
2001 Dodge Ram 2500 Van 5.2L bus connections VIN: 2B7JB21Y61
this van will start sometimes and when it doesnt it shows no bus)
2005 Dodge Ram 2500 Truck Laramie 5.9L Wait to start light VIN: 3D7KS28C85
I have the wait to start light that will come on and ding after you drive for about 10 min @ freeway speeds. It will stay on for about five miles and go off. It will repeat this cycle for no aparant reason and kind of has a mind of its own. The pre and post he...
2005 Dodge Stratus SXT 2.4L Steering VIN: 1B3EL46J85
When you are going over 35 mph and you hit the brakes light to meduim the car will pull instantly to the left.check brakes 25% remaining and even wear both front.nothing feels loose in the front end.i had a lincoln several years ago that acted the same way and...
2006 Dodge Ram 2500 Truck SLT 5.9L gage pressures VIN: 3D7KS28CX6
After charging the system I found that sometimes the low side would shoot up to 550psi and the compressor would cycle out.Then another time it would read vacuum on the low side and 300 on the high.I have tried 2 sets of gages just to ensure that the pressures ...
2007 Dodge Sprinter 2500 3.0L MIL Lamp on VIN: WD0PE74507
I,m pretty sure I need an egr valve but nodata does not have these codes listed.Any thoughts advice common issues you all can point me in the right direction with? Trouble codes: P2355, 3155 (intake air monitoring value below limit)
1997 Ford F-250 XL 7.3L check engine light VIN: 1FTHX25F9V
97 F250 powerstroke, pcm not sensing glowplugs are working, sets check engine light intermmitently. california state emmisions vehicle. Truck came in, glowplugs not working. glowplugs were shorted out, relay wouldnt' work, definitely got hot. Replaced glowplug...
2000 Ford F-550 Super Duty XL 7.3L Hard start VIN: 1FDAW57F9Y
Vehicle is our shop tow truck and was running fine before concern . After a recent tow , start/stall and engine miss was expereienced . After it was cleared out ran fine and drove fine . Next morning experienced extended cranking before start up and noticed no... Trouble codes: P1211, P1212, P1316
2001 Ford Expedition XLT 5.4L dead battery VIN: 1FMPU16L91
Expedition came in for no-start with dead battery.Charged battery and check alternator and battery and both are good.Did draw test and found draw of .6 amps.emove Narrowed done to something with battery saver relay staying entergized remove and draw goes away....
2006 Ford F-150 XLT 5.4L Headlamps VIN: 1FTPW14506
Headlamps stay on intermitently. Some articles on internet suggest headlamp timer, others the smart junction block. Vehicle has not failed while at shop for 3+ days. Parastic draw is currently less than 50mA. Any suggestions?
2010 Ford F-150 STX 4.6L MIL Lamp on VIN: 1FTEX1CW2A
Truck came in a few weeks ago with code po150 b2s1 o2 ran circuit test from mitchell and circuit tested good so we replaced o2. Truck came back today with same code po150, ran test for code and wiring checked good again. Tried a different sensor and same probl... Trouble codes: P0150
1995 GMC Jimmy SL 4.3L distributor (cap&rotor) VIN: 1GKDT13W1S
I have a 1995 production date 03/95 GMC Jimmy SLT. With 226715 kms with VCM service number [...]-BABB the vechile has no trouble codes present curently or in previous history. The tack signal is 210 to 250 RPM cranking, there is plenty of spark from the coi...
1999 GMC Sierra 1500 SLT 4.8L transmission VIN: 2GTEK19V6X
This Sierra had an intermittent failure where the battery light would come on, and gauges would fail. I found and isolated the remote starter/alarm as the culprit. Removed alarm and that condition no longer exists. The Trans condition is still present. The tru...
1997 Honda Civic LX 1.6L Timing VIN: 2HGEJ6670V
Hello all. This is more of a question for the experienced and knowledgeable..than a help request. This car has just had the timing belt replaced and has bad pinging. Adjust the distributor all the way retarded and it runs normal and quiet. Haven't got to put a...
2005 Honda Accord LX 2.4L No Start VIN: 1HGCM564X5
This honda 2.4 has been a pain. First of all it came in and running very poorly with misfires on all cyls, but not setting misfire codes yet. We checked codes and found code for vvt stuck in advance position. We checked the solinoid screen and the screen behin... Trouble codes: P0341 (Vvt stuck in advance), P0335 (Ckp ckt 1 malfunction)
2008 Honda Accord EX 3.5L Stall VIN: 1HGCP368X8
Good Morning,I replaced the MAF with an OE part on this car because the VG+ signal wire would sometimes jump from 1.2v to 4.0v at idle and then run rough/stall/etc. MAF readings are now normal but this car still has a very random stall at idle/parking lot mane...
2005 Jeep Grand Cherokee Laredo 3.7L No Drive- No Reverse VIN: 1J4GR48K35
Hello to all, This is a NAG1 Trans. I'm a 35 year automotive tech. but I don't get into the innards of automatic transmissions much. I thought I would be doing a simple leak repair and instead I've opened a can of worms. Thanks in advance for any help. As st...
2006 Jeep Wrangler Unlimited 4.0L Shifting VIN: 1J4FA44S46
We've tried wiggle test and cleaning wire terminals. Useing DRB III and reading data occansionally temperature will immediatly rise above 300 and then return to approx 142 degrees and remain there. It seems engine has to be running for trans data to be accurat...
2010 Jeep Wrangler Unlimited Sport 3.8L MIL Lamp on VIN: 1J4BZ3H16A
The Chrysler diag on this one states to run the test, if the code comes up, replace gas cap, repeat... Mine fails (according to Solus Pro) with NO codes, the switch closes as the test runs (brain fried, can't remember the name, it senses pressure while testing... Trouble codes: P0457 (Gas cap leak)
2010 Kia Forte SX 2.4L transmission VIN: KNAFW6A3XA
Hello! Before I start digging into a car that is supposed to be under warranty, I wanted to reach out to all my iATN friends to see if anyone else has experienced these problems. The first is an intermittent hard shift in the 1-2 or 2-3 upshift, not sure whic...
1994 Mercedes-Benz E320 3.2L Lighting VIN: WDBEA92E5R
The console lights (temp controls, window switches, etc) are out on this car, although the instrument lights work. Before I go tearing the interior of this thing apart, just wondering if there is a common connector somewhere that would affect these lights? ...
1997 Mercedes-Benz C230 2.3L Tcc VIN: WDBHA23E3V
Hi guys, I got this M.B. that I just put a conductor plate in. I had 101 code for the N3 speed sensor. after the install the code 101 is gone and now I have 2 codes: 005 PWM Valve Y3/6y6 and a 101 PWM Valve Y3/6y6. I pulled the valve body back off and all loo...
2003 Mercedes-Benz ML350 3.7L diagnostic data conection VIN: 4JGAB57EX3
vehicle towed to shop as a no start , had radio installed this past saturday ,, crank no start ,, vehicle started and runs fine ,, cannot get any data or module info ,, all fuses are good and vehicle runs and dies ,,, check engine light comes on and goes out...
2007 Mini Cooper 1.6L no start no crank VIN: WMWMF33577
troubled on this one. i don't have a diagram or test procedure, the one i have is vague. car was running fine the customer shut it off and when he went to restart it he got shocked. he replaced the battery and ??? . it has the radio control key. when you push ...
2000 Pontiac Sunfire SE 2.2L engine VIN: 1G2JB5249Y
Also checked PCM connectors for corrosion an checked PCM grounds all good. Engine cranks well but wont fire. Has good spark, good fuel pressure, injector pulse, exhaust not restricted, air intake good, compression good. This thing should fire right up. Cant be...
2009 Skoda Fabia 2 1.9L Windows, electric mirrors VIN: TMBGF25J99
Vehicle is nice and clean with one owner and full dealer history. Customer reports that both the electric front windows ( manual winder in the rear ) and the exterior electric mirrors do not work. If you put the key in the door lock and hold in the unlock pos...
1999 Subaru Legacy Limited 30th Anniversary 2.5L emmisions VIN: 4S3BG6855X
Vehicle has a miss under load and Transmission is shifting very hard. Have p0130 code. B1S1 voltage is 0.0 replaced the B1S1 O2 sensor and have the same result. when fuel is added the voltage will increase momentarily like the sensor is working. At idle seems ...
2002 Subaru Outback Limited 2.5L engine VIN: 4S3BH68672
This suburu intermitiantly runs hot(temp. gauge to red). Cooling fans work. Thermostat was replaced. The head gaskets were replaced 30k ago. It has all the symptoms of bad head gaskets, runs at normal temp and then will jump too overheating in a minute,only at...
2005 Subaru Outback XT 2.5L No Start, VIN: 4S4BP67C95
To all subaru techs need help on this one. 2005 subaru outback xt customer called and said car will not start. Got there and first noticed the security light was blinking like it was suppose to. Put the key in and it stayed steady not going out. Attempted to c...
2001 Volvo S80 2.9 2.9L 3rd Gear VIN: YV1TS94DX1
Hi everyone, and thanks in advance for your input. We've got a strange one here. (I guess it better be strange, if I'm posting it on here, right?) The car is a 2001 Volvo S80 with the 2.9 non-turbo I-6 and the GM 4T65-EV transmission. First, a bit of backgr...
2005 Volvo S60 2.5T AWD 2.5L Sending Unit VIN: YV1RH59265
vehicle came in as a not start - pressure tested and located no fuel pressure. - further test's proved to fail the fuel pump. - replaced fuel pump/sending unit assy., reinstalled 2nd fuel sender & filled fuel tank. - vehicle seem's to drive fine however fuel g...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Dodge Dakota 3.9L Starting VIN: 1B7FL23X3P
Excellent replies. Let me tell you what I have now. Using my power probe 3 I can tell you I'm showing B+ at pin 3 and 9 on the Ecm Harness. Also, I'm showing ground on pins 11 and 12. Cannot get the MIl to turn on. I gave pin 32 a ground and it turns on. So...
2001 Dodge Durango SLT 4.7L No Start VIN: 1B4HS28N01
Replaced the Cam sensor and ASD relay. Problem still occured. Customer using vehicle with manual trigger to try and catch data when occurs. Thank you for your help.
2010 Dodge Ram 1500 Truck SLT 4.7L 2-3 Shift VIN: 1D7RB1GPXA
thanks for all that replied, we ended up taking to dealer for diagnosis- it ended up being under warranty, problem was burnt overdrive clutches, dealer rebuilt trans with new solenoid pack.advisor said that servicing filters could not have caused issues and mo...
2005 Ford F-250 Super Duty Lariat 5.4L Electronic VIN: 1FDNF20585
found that fuel pump driver module inside fuel tank was back feeding into engine control module. replaced fuel pump assembly and tow light is not on anymore. and transmission is shifting. thanks for the info. can belive this was the fix.
2007 Ford F-150 XLT 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTPX14VX7
Thank you all for taking the time to help me diagnose and repair this vehicle. I sincerely appreciate all of the responses, and I wouldn't have ever figured this out on my own. Thank you. I plastigauged the camshaft bearing caps and averaged .003", some as ... Trouble codes: P0022 (Intake Cam Timing Over retarded bank 2), P0345 (Cam position sensor circuit malfunction bank 2), P0349, P0512 (Starter Request circuit).
2004 GMC Sierra 2500 HD 6.0L Mechanical VIN: 1GTHK29U04
FOUND IT! so after pulling all the lifters and panicking because I found no problem, I pulled the camshaft because the machine shop said they have had pitting on the lead in of the cam lobe cause a squeek. CAM WAS PERFECT. Now sweating even more. I then put a ...
2004 Hyundai Sonata GLS 2.7L Leak VIN: KMHWF35H84
I agree with Jerry about the seals . The National seal I pulled had no damage and looked almost the same as the Hyundai seal . I looked at the rubber on the trans stick and it has a maze for air to escape but looks like a Jenky design so I left it loose and no...
2002 Kia Sedona EX 3.5L bulbs VIN: KNDUP13182
2000 Lincoln LS 3.9L air bag VIN: 1LNHM87A5Y
found the clockspring bad and installed factory unit. rechecked the scanner reading and ohms where all normal, road test and been a few days and all good
2002 Mercedes-Benz SLK230 Kompressor 2.3L Coolant fan VIN: WDBKK49F02
I guess this is one that is beyond my ability to fix. Even if I replaced the control head or the ECM I can't program them due to the lack of the proper equipment. I couldn't find specs for a/c pressure sensor voltages but when I measured it I had a 5 volt refe...
1998 Nissan Pathfinder LE 3.3L Cuts out VIN: JN8AR05Y2W
Well a great big THANKS to Louis, Charles, Kenneth and James. You guys were right on the money. Put in a new Hitachi OEM distributor this weekend and vehicle starting running great. Got a text from customer today stating that it is working perfectly. Again, IA... Trouble codes: P0340 (Cam sensor signal), P0305 (Misfire cylinder 5).
2001 Nissan Maxima SE 3.0L Surge, MIL Lamp on
well guys what i found was the car had the wrong ecm installed when it came to us.the car dose not have an egr valve on the engine but the ecm cam from a car that carfull when swapping ecm on 00-01 late 00 is whwn they started changing from egr to non-e... Trouble codes: P0505, P0403.
1999 Subaru Legacy Limited 30th Anniversary 2.5L starting VIN: 4S3BG6855X
Found a jumper wire attached to the Cig ligter that was cut and not taped and touching the bottom of the radio. This wire was grounding out the ecm when the ignition was turned on. wow what a mess dont think this is more than a one time deal but looked there w...
2009 Toyota Tacoma 2.7L Blower Motor VIN: 5TENX22N19
well, it was a bad ground problem that actually was making the control not to operate correctly. thre were four wire behind the passengers kick panel and two of them was burned. so fix that and took care of it. thanks
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