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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 19, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Audi A4 1.8L Brakes VIN: WAUCB28D4W
Hi Guy's I was looking for some help on this 1998 Audi A4. A friend of mine replaced all hydrolic brake componants (calipers, brake hoses,know good ABS module, master cylinder, as well as pads and rotrs). At first the brakes would not bleed. Finallny after b...
2007 BMW 328xi 3.0L Vvt Motor VIN: WBAVC93507
I am in the process of replaceing gasket on vvt servo motor (bmw term valvetronic control motor) that sits on top center of valve cover for oil leaking. Checked all data & mitchell about replaceng gasket it said just unbolt vvt servo motor .when my tech unbolt...
2000 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19T1Y
This truck came in with a bank 1 knock sensor low voltage. I changed both sensors and the y cord. Now i am getting both sensor codes each time the truck is refueled. However i did use after market sensors and a gm y cord. Has anyone experienced this issue befo... Trouble codes: P0327 (Bank 1 knock sensor), P0332 (Bank 2 knock sensor)
2003 Chevrolet S10 4.3L Master Cyl VIN: 1GCDT19XX3
I need help with this truck, came in with pedal sinking to floor, Put new master cylinder on, and now it is still sinking to floor. bled all 4 wheels no air, re-bled master no air. plug master cylinder and the pedal is hard no sinking. Unplugged the ABS unit i...
2006 Chevrolet Silverado 3500 LT 6.6L Low Power VIN: 1GCJK33D16
This truck set code P0087 on acceleration. Watching the fuel pressure the actual never gets above 10k psi. (desired may be at 17k psi.) The code sets and the fuel system goes to default. With codes cleared and at idle the fuel pressure matches the desired. I c... Trouble codes: P0087 (Fuel Rail Pressure Low)
2010 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GB3CVBK7A
I have this 2010 chevy truck with a 6.0 came in with the codes i listed the 5v refernce buss 1 has 12 volts all the time i have un plugged the map sen, app sen, cam sen,ftp sen,eop sen, still with the 5v reference reading 12 v at all the sensors i unplugged if... Trouble codes: P0106, P0107, P0453, P0523, P0461, P0690
2001 Ford F-250 Super Duty Lariat 7.3L Oil In Water VIN: 1FTNW21F81
Just bought this truck , checking all the levels & noticed i have oil in the water,do they have oil cooler problems ??? also have a few codes stored trans codes 732 & 733, engine codes 603 kam error 1247 low boost & 1211 icp , first time using this site hope i...
2001 Ford Mustang GT Bullitt 4.6L Timing Chains VIN: 1FAFP42XX1
Have no oil pressure on the dash gauge , cant find the sensor anywhere (not on oil filter housing) but have 75lbs pressure on a manual gauge taking from the oil filter housing at idle cold,hope that makes sence , my problem is tenioners rattle & with the valve...
2006 Ford F-150 XLT 5.4L Left Front Hub VIN: 1FTPX14536
The left front is locked in when knob is in 2WD. Right is not. Makes a noise in the left front but not all the time and seems to stop making noise if you turn knob to 4WD while it is making the noise.
2006 Ford F-150 XLT 5.4L Poor Idle Quality, Misfire VIN: 1FTPW14506
customer brought vehicle to our shop complaining of misfire and occasional bad 'bucking' under acceleration. wanted a tune up. we checked for code and none were found. vehicle also had not completed drive cycle. we test drove vehicle but only noticed misfire a...
2008 Ford E-450 Super Duty 6.0L Coolant VIN: 1FDXE45PX8
Hello everyone and thank you in advance for your help and expertise. I have a 6.0 L diesel that came in about 1000 miles ago with heavy oil in the coolant. No other running issues. Removed and replaced the engine oil cooler and flushed per the Ford TSB with si...
1998 GMC Sonoma SLE 2.2L Surge VIN: 1GTCS1946W
Runs great but when cruising at 60 miles per hour steady rpm up down and engine rubs on rpm but speed still at 60 miles per hour is this engine problem or trans. When it happen fields like engine cuts. Any help will be grat
1996 Honda Accord LX 2.2L door locks VIN: 1HGCD7231T
both door locks operate but they make a loud buzzing noise every tine they are operated and when you start the car. I`m not sure if this is what they do just before they fail, I have seen locks making this noise but not operating. Customer wants to keep this o...
1998 Infiniti QX4 3.3L No Start, Stall VIN: JNRAR05Y8W
Greetings to all, need some help over here. Vehicle came in with a misfire and keeps shutting down. Another shop changed the starter, distributor, and fuel pump. Service engine light on for p0300 random misfire and p0325 knock sensor. I performed a vacuum leak... Trouble codes: P0325
2003 Infiniti FX45 4.5L Stall
This car stalls while driving I have driven it for a week with no stalling and but eventually it will and has stalled on the customer 3 time in 1 day and has always done it while the car was moving. The 1st time I saw it there was a P0340 code and we replaced ...
2004 Jeep Grand Cherokee Laredo 4.0L steering control VIN: 1J4GW48S44
No prior accident history available, nor seen on vehicle. Customer states this condition has been present for approx. 3-6 months. Thought it was winter road conditions, but continued into summer driving. Problem: Most prevalent above 45mph. Cruising at steady ...
2005 Jeep Grand Cherokee Laredo 3.7L accessories VIN: 1J4GS48K55
The owner of the vehicle was driving, when he stopped tried to shut off vehicle it would not turn off, he removed the key from the ignition and the car was still running. I checked the car for him and I had to remove the fuel pump relay for it to shut down. I ...
2003 Kia Sedona LX 3.5L No Start, Misfire
Interesting issue with this one. Initially called in because van would crank but not start. On first inspection, noticed MIL was not on and no communication with PCM. Thought, "Aha, this is the issue!" traced it to blown fuse for the PCM, coils, fuel pump re... Trouble codes: P0340 (CMP sensor circuit)
1994 Mercedes-Benz S420 4.2L Poor Idle Quality, High idle VIN: WDBGA43E8R
This car came in with an emergency idle actuation code and intermittent stalling. Replaced TPM and had Beckman's rebuild throttle body (performs throttle learn at KOEO flawlessly). Engine harness is perfect (I suspect it has already been replaced) Body harness...
2003 Mercedes-Benz E500 5.0L Egr VIN: WDBUF70J23
Egr system is throwing a p2001 fault (p0400). Have replaced egr valve and tube. Vacuum supply at intake is good 19. When activating egr pressure transducer with scan tool the rpms do not drop- no response from car. Brown//red wire has 12 volts all the time whe...
2005 Mercedes-Benz S430 4.3L MIL Lamp on VIN: WDBNG70J95
Hello, We have this S430 in the shop. It came in and is not shifting... found faults for the integrated transmission module (module in transmission). I have replaced these in the past, this is not a problem but I have a code in the engine module (P20EA). Autol... Trouble codes: P20EA
2000 Toyota Camry CE 2.2L Stall, MIL Lamp on VIN: JT2BG22K1Y
Howdy Y'all! This Camry came in and won't stay running after driving 5 miles or so. The p1310 has me looking for loss of IGF signal from that coil to ecm. Here is the weird part... The IGF signal on both coils looks up side down. the "flat line" is 5v and the ... Trouble codes: P1310

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Chevrolet C2500 Cheyenne 5.0L transmission VIN: 1GCFC24M6W
set up appointment to clean valve body sollenoid on driver side front as members advised but customer has not made it in.will stay in touch as it progresses or not thanks to all but will have to wait till veh makes it to shop
1998 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 3G1JC5242W
Well thank you all for your replies. It seems getting accurate information from the customer is not always possible. How this little buggy ever passed smog is beyond me. Well not entirely beyond me. What I discovered is that yes, it was the wrong head. Fortuna... Trouble codes: P0401 (EGR flow insufficient).
2007 Chevrolet Equinox LT 3.4L Mechanical
Thanks guys, your replies were very infomative. I was especially intrigued with the idea of removing the ABS fuse to rule out a wheel speed issue. As I stated it may take awhile to formally close this with a confirmed fix because it looks like I have a few th...
2008 Chevrolet Silverado 1500 WT 4.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1GCEC19X58
thanks for all the help guys it was much appreciated. I could not get to the bottom of this problem, I checked all grounds found nothing wrong.The customer which also happens to be a good friend ended up taking it to the dealer, they replaced the ecm after abo... Trouble codes: P0172 (Fuel trim rich bank 1), P0175 (Fuel trim rich bank 2), P0068 (Throttle body airflow performance), P0101 (Mass air flow sensor performance), P2272 (Ho2s signal stuck lean bank 2 sensor 2), P2270 (Ho2s signal stuck lean bank 1 sensor 2).
2008 Dodge Grand Caravan SXT 3.8L shifting VIN: 1D8HN54PX8
well after pulling all of my hair out , and checking all power and grounds , and all the reprogramming in the world with no and avail , an old timer I know well said unplug it tap it with a rubber hammer and leave it unplugged overnite and plug in in the ...
2010 Dodge Grand Caravan SE 3.3L Recirculation door VIN: 2D4RN4DE8A
So not a whole lot to report on this one, I never did get it to misbehave, the customer picked it back up. Before it left I tried a borrowed OTC scanner, no luck there it won't run a calibration either. Santiago replied to say the Autel DS708 will do the calib...
1996 Ford Econoline Super Duty Custom 7.5L No Start VIN: 1FDLE40G4T
Thanks for all the suggestions. The coil is buried deep on this vehicle and after trying a couple suggestions I had removed quite a few parts and seen some frayed wiring coming out of the engine harness that went to the coil. pulled it apart and there it was ...
2001 Ford F-250 Super Duty XLT 6.8L compressor relay
Okay, I checked the pressures before I posted the problem. Most of the stuff you guys Suggested I had already done, I just didn't list what I thought was the obvious. This is my second post in 6 years. I'll try to do better in the future. One of the suggestio...
2002 Ford F-150 King Ranch 5.4L engine VIN: 1FTRW07L02
My thanks to all who replied Jamie was the nail on the head it is a short in the main transmission harness. my thanks to all others who replied this was a tough one
2006 Ford Fusion SE 2.3L intake VIN: 3FAFP07Z36
Replaced intake with new oe unit with gaskets and noise is gone. Never could find an obvious crack on or off car. Just pretty much made an educated guess.
2011 Ford E-250 5.4L No 4th gear. VIN: 1FTNE2EL2B
Because the vehicle is still under the powertrain warranty the customer took it to the dealer. As always thanks for the helpful replies.
2002 Honda Accord EX 3.0L Pump VIN: 1HGCG22502
I checked both O ring seals and replaced them but the pump still was noisy so we installed a new pump and all is quit and working. Thanks for the help. Bob
1996 Jeep Cherokee SE 4.0L No Start VIN: 1J4FJ28S3T
thank you for all the replies its fixed as of now the problem was the clutch slave cylinder as the first culprit , but im sure you will want the whole story, well here it is , the customer said when i questioned them in detail the jeep clutch is weird some tim... Trouble codes: P0340.
1999 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1244X
Hello! Thanks for all of your replies! The suggestions to smoke test for a vacuum leak nailed it! I smoke tested the intake and found it leaking at the LH front of the engine, may have been an injector o-ring or the lower manifold gasket. Replaced the upper an... Trouble codes: P1174 (P 1171 and P 1174. Lean fuel system Bank 1 2.), P1171 (P 1171 and P 1174. Lean fuel system Bank 1 2.).
2007 Land Rover LR3 SE 4.4L Compressor Actuator VIN: SALAE254X7
Talked to customer after several days vehicle back in service, all is good, blowing cold. Reduced oil quantity to proper 5.9 ozs, evac and charge, all is good. Thanks for the replies. Apparently oil slightly over spec doesn't hydraulic compressor. What it do...
1985 Mercedes-Benz 300SD 3.0L glow light VIN: WDBCB20C1F
This one is fixed got many replies most were on target the fix was a glow plug we found that cold ohm test was good but after about 5 seconds the number 5 glow plug would fail then when it got cold it pass ohm test again when we removed it we noticed that the ...
2008 Mercedes-Benz GL320 CDI 3.0L Hesitation VIN: 4JGBF22E58
First of all thanks for the replies. I performed a smoke test on the boost system. I was able to find 2 different charge seals leaking which wasn't allowing the turbo to accurately control the air charge pressure. Replaced both orings on the charge tube from t... Trouble codes: P0299 (Turbo Under boost).
2011 Nissan Maxima S 3.5L MIL Lamp on VIN: 1N4AA5AP6B
I found the service bulletin related to this issue and have sent the customer to the dealer for a ECM reprogramming. Thanks for the help! Trouble codes: P0101 (MAF sensor range/performance).
2005 Pontiac G6 3.5L No Start, Stall VIN: 1G2ZG52865
set up appointment to clean throttle body as members advised but customer has not made it in.will stay in touch as it progresses or not thanks to all but will have to wait till veh makes it to shop
2008 Pontiac Grand Prix 3.8L No Start VIN: 2G2WP55228
Hey Guys thanks for all the input! So ended up being the engine harness was bad. The wire that was supplying the ground from the pcm to the p/t relay was broken. SO we justy ran one individual wire for the relay b/c the customer didnt want to change out the en... Trouble codes: P0030, P0036, P0202, P0203, P0204, P0205.
2006 Porsche Boxster S 3.2L power windows VIN: WP0CB29826
We ended by sending this car to the dealer and the customer never gave us any feedback.We tried just about everything we could on this car but no luck.At the end I noticed that the window up/down function with the key in the door didn't work either.If ever I g...
2012 Ram 3500 ST 6.7L rear abs sensor VIN: 3C63DRGL0C
Sorry for the late reply, Vehicle had multiple problems. Found the wire going to rear sensor were damaged, ran new wires. Then found the terminals for both the front right and rear sensors at the abs module had been damaged by previous shop when they jammed a ...
2002 Toyota Camry SE 2.4L charge light VIN: 4T1BE32K92
customer has not returned with the car I will repost when they return to the eight that replied to my help request I have saved the info thank you
2002 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E82
Long and short of it a new set of injectors fixed it . If you read the replies you can see that many responses said to replace the injectors even though there was NO drive-ability concerns. I got a new set from CSPReman.com for only $125 for the set of 4 . Trouble codes: P0171.
2004 Volvo S40 T5 2.5L immobilizer VIN: YV1MS68254
alright fellas thanks for all the help tried steps mentioned nothing like said car had key stuck in it when i had turn steering whell then after removing most electrical i relized i couldnt get key out and left it. Anyways in pure frustration i sat in car alo...
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