× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 27, 2014
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2006 Audi A4 2.0L over boost VIN: WAUDF78E36
After replacing engine and turbo this car just does not want to drive right. Engine idles and runs smooth with no issues. The problem is when accelerating and the turbo starts boosting it goes into what seems like a fail safe mode where it won't accelerate abo... Trouble codes: P2293, P0234
2003 BMW 525i 2.5L Radio VIN: WBADT43433
Hi, i have this 525 BMW that was towed in for a dead battery. We replaced the battery and cleared allthe codes that came with it. All seams to work fine but the RADIO PRESET BUTTONS. The radio will turn on and off and wolume works fine too, you can use the sea...
2007 BMW 328i 3.0L vanos VIN: WBAVA33527
Hello All We are working on a 2007 BMW 328i the headgasket was leaking oil at mid block we removed the head and sent it to the machine shop.They did a complete valve job and milled it .005 due to slight warpage We have reinstalled the head using all new bolts ...
1989 Chevrolet Camaro Iroc-Z 5.7L Excessive Emissions, No Start, Misfire VIN: 1G1FP2185K
Need help on this one.this car came into my shop a few years ago with a shorted fuel injector replaced fuel injectors and replaced computer and car worked fine for two years. I know cause i bought it from the old owner. Car drove great with no problems then on...
1993 Chevrolet Corvette 40th Anniversary Edition 5.7L Excessive Emissions, Hesitation, Surge, Stall, Poor Fuel Economy VIN: 1G1YY23P6P
Vehicle came to us with complaint of sluggish response from a stop and misfires while at cruise speeds. Scan the vehicle no codes were present. Road test the vehicle monitor scan data and found that the low resolution sensor in the distributor was erratic at c...
1996 Chevrolet Cavalier 2.2L Misfire
has 3 #2 MISFIRE injector was changed ,compresion 140 + on all cyl. has new plugs. shows good wave for ign. different coil was tried and no change. Trouble codes: P0302
2002 Chevrolet Silverado 2500 HD 6.6L monitor,smog check VIN: 1GCHC23172
I cleared the codes,resetting monitors and am having trouble with EGR monitor not completing.need to have it complete to pass smog check.Drove several times as instructed "drive cycle" cold start below 50 celcius(120 f).let idle fans on ac on 3 minutes.cruise ... Trouble codes: P1093
2003 Chevrolet Silverado 1500 5.3L transfer case VIN: 1GCEK19T73
no 4x4 no communication with scan tool
2003 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on
Code p1516, I have not been able to duplicate problem.scanner shows app aver 22%,app angle 29%, tpdesired ang 28%,tp indicated ang35%.I have not worked on many of these and did not want to throw parts at it.I think the throttle body needs to be replaced.Is the... Trouble codes: P1516
2006 Chevrolet HHR LT 2.4L valves rockers VIN: 3GNDA23P56
engine was running fine, then engine died and has no compression. We removed cam cover and found 8 broken rockers and air leaks out of the intake, I have bent valves. Has anyone seen this before.
2007 Chevrolet Uplander 3.9L rear heat VIN: 1GBDV13127
Vehicle came in for a safety inspection from one of our used car dealer customers. I first take it for a ride and noticed after a while getting no heat from front heater. Got back to shop and checked rear heat , was also blowing cold . Gauge was running a hair...
2009 Chevrolet Silverado 2500 HD WT 6.6L abs module VIN: 1GCHK49619
Truck came in with a C0245 wheel speed sensor frequency error. Speed-o off a little on test drive. watched right front and left front wss and they are the same rear speed sensor is about 20% slower all the time abs light on brake light on. no Diagnostic help ...
2004 Dodge Grand Caravan SE 3.3L Misfire VIN: 1D4GP24R24
HELP, replaced plugs and plug wires for maintenance. 1 month later comes in for misfire, no spark from coil to #5 cylinder. Replaced coil(BWD) runs great. 3 weeks later same thing, another BWD coil runs great. 3 weeks again no spark, always #5. Replaced coil a... Trouble codes: P0305
2005 Dodge Magnum SXT 3.5L driveshaft VIN: 2D4FV48V35
Ok I have been doing this for a very long time and have never seen a driveshaft do what this one is doing. Frist this car came in for a valve job low compression on #1 dead miss. it's for a large used car chain. It has been shipped back to us now 3 times claim...
2008 Dodge Ram 1500 SXT 5.7L Stall VIN: 3D3KS19D88
customer complains his truck stalls only after he puts in gear , only when cold though -10 and below . all else looks good with no other driavabiliy issues . when its warm its fine . we think its the original trans fluid but he could not answer definitively.
2000 Ford E-150 Econoline 4.6L Mechanical VIN: 1FTRE14W8Y
I am getting oil in spark plug tubes. It doesn't have any gaskets in the area that control oil. Has anyone ever seen this on a 4.6? There are no fluid reservoirs or anything above the affected area which is bank 2 head. Bank 1 isn't having this issue. At first...
2004 Ford Freestar Limited 4.2L Misfire, MIL Lamp on VIN: 2FMZA58264
This one is eating our lunch, & we could sure use some help. Came in with the above codes, plus a p1000. We found intake leaking pretty severly from back side so upper & lower gaskets have been replaced, no vacuum leak now. Saw the tsb about water intrusion in... Trouble codes: P0106 (Map), P2197 (Lean), P0401 (Egr flow), P0171 (Lean bank 1), P0174 (Lean bank 2)
2005 Ford Explorer XLT 4.0L front of truck VIN: 1FMZU73E65
So I have this 2005 exploder that came in with 2 bad bearing(1 front,1 rear).I replaced both bearing and the truck drove a ton smoother but know you can now hear a whining noise coming from the front.It is only noticeable if you really get on the gas in 4wd au...
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v... Trouble codes: P0301 (misfire 1), P0302 (p0303-), P0303 (p0304-), P0304 (p0305-), P0305 (p0306-), P0306 (testing and results)
2001 Honda CR-V SE 2.0L Heat VIN: JHLRD18751
This 2001 honda crv has had multiple items replaced previously. New heater core, new water pump, new radiator,new thermostat. We used an air lift to get all the air out of the system. Car will run and drive great! at idle with motor at correct temp, it will pr...
2006 Honda Civic LX 1.8L engine VIN: 1HGFA16576
Customer complained about the heat gage going up then down, and followed by no heat. Customer asked for a thermostat, which we replaced, although just a quick checked of hose temps revealed old thermostat opened at @ 190-195. We are experiencing below zero wea...
2006 Hummer H2 6.0L light on VIN: 5GRGN23U96
Need help from GM gurus;Customer states he hit a bump and abs light popped on. Got code C0050 Right rear wheel speed sensor circuit. replaced sensor with new one; same thing; code comes right back. checked play on RR wheel-ok. checcked wiring and connectors; i...
2002 Isuzu Axiom 3.5L Unknown VIN: 4S2DF58X92
current dtc's are 13 14 24 and will not clear. TOD along with 4LO are both innoperative. All the basics have checked out ok. Any help would be greatly appreciated. Thanks to all in advance and GOD BLESS.
2003 Land Rover Discovery S 4.6L trans VIN: SALTL16463
Greetings All, This land rover came to us after having the trans replaced by by another shop. The symptom is a late hard shift, then the m&S lights start flashing and the trans is in the failsafe mode.When i scan the trans generically I get code p0722 which i...
2009 Mini Cooper S 1.6L Poor Idle Quality, MIL Lamp on VIN: WMWMF73519
Hell MIni Techs We have this Cooper S that came with a rough idle and has misfire codes in all cylinders, I read about carbon build up in the valves and problems with the high pressure fuel pump, but I would like to get some information on how to test for thes... Trouble codes: P00, 300 (Misfire code random), P00, 301 (Misfire code cylinder 1), P00, 302 (Misfire code cylinder 2), P00, 303 (Misfire codecylinder 3), P00, 304 (Misfire code cylinder 4)
2009 Nissan Quest 3.5L MIL Lamp on VIN: 5N1BV28U39
Originally this Quest came in with a #P0507 Idle Control System Malfunction, Idle Higher Than Expected). We checked the idle speed and confirmed that it was approximately 150 - 200 rpms higher than it was supposed to be. No load warmed up idle. We inspected th...
1997 Saturn SL2 1.9L Driveability VIN: 1G8ZK5275V
Thanks in advance for any insight. This car is coming to me from another shop. I have been told that it locks up after driving about 100 yards, before it does however every gear works fine to include reverse. When it is "locked up" there is no reverse just 1 f...
2005 Saturn Ion-2 2.2L Mechanical VIN: 1G8AZ52F95
Replace engine and clutch and slave. drove the car 100 miles then shipped the car . Got a call this morning no clutch. I had problems bleeding this but it was ok but not great when i shipped. Any one got any ideas on bleeding this. It does not have a bleeder s...
2003 Toyota Camry LE 3.0L fuel VIN: 4T1BF30K43
The customer claims after driving for approximately 10 miles the vehicle begins to idle rough, bog and then stall. It will restart after waiting a couple of minuets. There are no codes and fuel pressure and volume is normal. I cleaned the throttle body and aft...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura MDX 3.5L Misfire VIN: 2HNYD18242
I would like to thank all the valable info that was given to me. I checked all sugestions and double checked all the repiars i performed in an atempt to adress the rough running engine on a cold start. Unfortunally the customer pick up this acura and said he w... Trouble codes: P1399, P0302 (Cylinder 2 missfire), P0303 (Cylinder 3 missfire), P0304 (Cylinder 4 missfire), P0305 (Cylinder 5 missfire), P0306 (Cylinder 6 missfire).
2003 BMW X5 3.0i 3.0L engine block
While I appreciated the responses, I already knew the correct way was an engine but since shes paying for it out of her pocket (and changing insurance companies pronto) and cant afford the engine and r&r right now, I was hoping for more insight..as it is, she ...
2006 Buick Lucerne CX 3.8L No Start, Poor Idle Quality, MIL Lamp on VIN: 1G4HP57206
Well a good cleaning did the job. (so far) It seems since the throttle body is clean, the computer is shutting down in 15 minutes. Noticed after cleaning, when cycling the igntion switch, the computer tests the throttle, a possible calibration? The throttle ... Trouble codes: P0068.
2010 Buick Enclave CXL 3.6L Both Front Cornering lamps VIN: 5GALRCED8A
The customer had informed me incorrectly. These lights do not come on while turning,(like his old Lincoln) they are Daytime Running lights, DRL's. Still the circuit is powered by the Park lamp fuses, there are 2 10 amp fuses. Both were good, Park lamp relay, P...
1996 Chevrolet S10 2.2L Stall VIN: 1GCCS1444T
I have had this s-10 for two weeks & have not had it act up. I replaced the crank sensor, cleaned the fuel pump ground & replaced the fuel filter. Don't know if it fixed it yet but I'm giving it back to the customer to drive. If it would act up I will let you ...
2002 Chevrolet C3500HD 6.5L Cuts out, Stall VIN: 3GBKC34F02
Well after a new OPS fuel rail pump Inj pump ign switch pulling the tank and finding nothing wrong there- I am going to try to see if the balance module has failed. Supposedly this had been superceded three times- and does power the pumps. It used to ha... Trouble codes: 1643 (glow plugs).
2007 Chrysler Pacifica Touring 4.0L starter VIN: 2A8GM68X17
well thanks so much to Robert, William,Jason,Daniel and Keith for the replies that i recieved. i did check the trans ground and it was clean and tight. i decided to check the PCI BUS at the dlc. i had steady 0 volts. so after looking at wiring diagram i found...
1994 Ford Bronco Eddie Bauer 5.8L No Start VIN: 1FMEU15HXR
Well the nightmare is over, I had posted this for a friend. He said that 3 other techs had given up on it. They had replaced coil twice and the distributor once had new plugs wires and cap and rotor. The problem turned out to be the new set of plugs had gotten...
1997 Ford F-150 Lariat 4.6L p0720 oss code VIN: 1FTDF17W7V
hello to my 8 followers. today was a good day. you know that day when a diagnostic has been solved after haunting you for weeks? all i wanted to do was get back on it but i couldnt because the boss man had 10 more to check out before i could... d@mn! anyways,...
2002 Ford Taurus LX 3.0L Heater VIN: 1FAFP55U02
I would like to thank everyone who replied to my post. Unfortunally I have to say the car is not fixed. We ended up flushing both the cooling system and the heater core I think a total of six times. Everytime the same thing it was fine until driven. We did tes...
2002 Ford F-550 Super Duty XL 7.3L No Power VIN: 1FDAF57F52
Thank you everyone that responded. Had a number of good suggestions regarding not enough fuel from the strainers that plug up to the more focused on area of the turbo being inoperative. What we ended up finding was in the clue that it felt intermittent. Worked... Trouble codes: P1247 (Turbo Boost Pressure Low), P0470 (Exhaust Back Pressure Low), P0472 (EBP Low), P0478 (EPC High / Turbo Boost Pressure), P0603 (Bat Power), P0344 (Cam Sensor).
2002 Ford E-150 Econoline 4.2L MIL Lamp on VIN: 1FTRE14272
I thought I closed this. I found out the MAF and air intake boots that housed the MAF belonged to a v-8.My vehicle has a v-6 4.2 litter.They customers will replace when they have the money. Trouble codes: P0171, P0174.
2003 Ford E-350 7.3L leak VIN: 1FTSS34F23
Ended up replacing all the seals in the hpop and the mounting gasket as well .Started right up and no leaks . Thanks to all respondents for taking the time to help.Thanks IATN !
2007 Ford Fusion SE 3.0L frame VIN: 3FAHP07157
Thanks for all the replies, the general opinion was to drill or cut a hole in the floor above the bolt and then cut it out & weld in a new one. A couple of replies mentioned the older Ford Tarus recall kit that did something similar, although I am pretty sure...
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
Thank you for all your quick replies. I removed all coils, and put them in two labeled bags and returned them to the customer. He went to the parts store with them, and they replaced the three suspect coils with new ones, which looked just like the three goo... Trouble codes: P1399 (p0301-), P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304 (p0305-), P0305 (testing and results).
2000 Jeep Cherokee Sport 4.0L Head lights VIN: 1J4FF48S5Y
So i get to drive the jeep Saturday night and no light flash no flicker nothing. I have to close this request because ITAN says i need to. thanks for all the ideas.
2007 Jeep Grand Cherokee Laredo 3.7L knocking noise VIN: 1J8GS48K87
Well finally this car repair came to and end, after we remove the engine to check for a problem with the cylinder walls, the piston, the rods, everything was ok, the guy from machine shop check it very well and no problems were found (machine shop guy is very ...
2000 Kia Sportage 2.0L No Start, Stall VIN: KNDJA7231Y
As mentioned in the update, [...]/Red wire leading to ecm pin 58 from the ignition switch was losing ignition switch voltage. When this happened the vehicle would lose the ground signal to control the main power relay. The repair was to run a new wire behind d... Trouble codes: P1614.
2007 Mazda 3 S 2.3L Heater VIN: JM1BK34327
Okay stick a fork in this one, it is fixed. Thanks again for all of the help. Once the customer dropped the car off for a few days we were able to warm it up, pull the plugs and put it under pressure and go home. The next morning the #3 cylinder had about a te...
2004 Mercedes-Benz S430 4Matic 4.3L door locks VIN: WDBNG83J84
I removed all the trunk liner panels and very carefully inspected all wiring - OK. Checked for short between fused side of fuse socket #62 and pin/socket #2 of PSE connector number 1 with a DVOM while wiggling wiring harnesses - OK. Closed myself into trunk fo...
2002 Mitsubishi Galant ES 3.0L Fuel pump VIN: 4A3AA46H42
So pin 4 that should give power to the Fuel pump would not, because pin 3 would not get a ground from the pcm. We found that the car had an accident before and had bad wires going to the fuse box. Thank you all for your help!
2007 Nissan Versa SL 1.8L tpm VIN: 3N1BC13E17
I don,t know what I did different this time, but I reset the light with my snapon tool hasn't been on for three days
2004 Subaru Forester XT 2.5L Misfire, MIL Lamp on VIN: JF1SG69604
Hello fellow techs, thanks to all those who replied. Most everyone agreed to recheck timing, which we did several times and marks are all lined up. (We did replace belt tensioner, all pulleys and water pump.) However while checking rough idle, we noticed that ... Trouble codes: P0302 (2 Cylinder misfire), P0304 (4 Cylinder misfire).
1997 Toyota Land Cruiser 4.5L Front axle seals VIN: JT3HJ85J2V
The consenses timewise was 3-4 hours per side to go in and replace the inner axle seal and the bushing. Not real tricky it seems but correct grease to lube the parts in there as well as the needed seals and gaskets were helpful information to have. It helped t...
2006 Toyota RAV4 2.4L abs VIN: JTMZD33VX6
Thanks guys, as suggested there was corrosion in both rear wheel speed connectors. We opted to change both rear wheel speed sensors and the wiring harnesses to each of them. After this repair the vehicle's ABS and Traction control systems were functioning norm...
1999 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWMD63D0X
Well after not finding any obvious problems, we started looking to make sure that we installed the correct rear 02 sensors. Turns out the service writer ordered them for a 2000 Passat with a ATQ motor and we have a AHA motor. The funny thing is, is that the AT... Trouble codes: P1198 (Rear 02 Heater circuit B1S2), P1199 (Rear 02 Heater circuit B2S2).
2003 Volkswagen Jetta TDI 1.9L Starting VIN: 3VWSP69M33
First I want to Thank everyone that sent in their tips and suggestions. Someone else had just installed new timing belt, idler, and water pump before I got the car. I removed the cylinder head and inspected the valves. This car had the head replaced not too l...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next