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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 30, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Acura MDX 3.5L Poor Idle Quality, MIL Lamp on VIN: 2HNYD18271
Customer complained of a rough idle hard start issue. Had p1607 ecm failure stored. reset pcm, problem did not return. Started vehicle this am. Very cold out. Idled fine but MIL on and AT temp light on. When raisng rpm at temp light goes off until returning to... Trouble codes: P1607
1988 Alfa Romeo Spider Graduate 2.0L Head Specs VIN: ZARBA564X3
Hello all i have an alfa with a burnt valve and have no info on these cars if anyone has specs and repair info i would be very happy thanx in advance bill you can email info to [...]
2002 Audi A4 1.8L Heater VIN: WAUJC68E32
Towed vehicle off road from overheat replace themstat and flushed heater core vehicle still overheats. Engine will get warm but will not circulate through heater core. Customer said their was a new water pump installed 30.000 miles ago in 2008. Suspect water p...
2004 Buick LeSabre Limited 3.8L Alternator VIN: 1G4HR54K24
Good day to all, and thanks in advance for your help. Customer brought car in for battery going dead over night intermittently. Vehicle needed a jump to bring in. Battery removed for charge and test. Installed new battery to run test and found alt output 44a 1...
2002 Cadillac Escalade EXT 6.0L Rear Air Ride Compressor VIN: 1GYEK63N12
Hello everyone and thank you in advance for the help...this caddy came in with the problem of when there are passengers in the rear or cargo in the rear the rear air ride compressor stays on until the weight is removed...i have scanned the vehicle and all the ...
2003 Cadillac CTS 3.2L Alternator VIN: 1G6DM57N43
Engine and ECM replaced(used)at another shop. Vehicle battery would go dead overnight. No alternator output, they replaced with new alternator, no change. We had alternator tested,is ok. Re-install new alternator with original ECM, then alternator charged ok ...
1999 Chevrolet Tahoe LT 5.7L Poor Idle Quality, Misfire VIN: 1GNEC13RXX
Cust came in with complaint of running rough, and having to keep their foot on the gas to keep vehicle running. codes where p0300, scanned misfire data and found #5 and #7 with multiple counts. Pulled plugs and both looked as though they were running very rich... Trouble codes: P0300
2004 Chevrolet Express 3500 6.0L Mechanical VIN: 1GCHG35U24
This truck had the transmission rebuilt 50,000km ago no problems works great, It broke the fex plate around the bolts in the centre, we replaced it with a new plate, ran 1 week and cracked it again, I removed the trans, checked the dowels, checked the crank en...
2004 Chevrolet Express 2500 4.8L Brake Pedal VIN: 1GCGG25V84
Thank you for your time. Well this vehicle came in with a complaint of an occasional low pedal. We could not duplicate so after discussing with customer we replaced master with Car Quest reman. A week later he had same complaint so after trying to get it to ac...
2004 Chevrolet Tracker 2.5L Stall VIN: 2CNBJ73404
I'm really stuck?This truck came in a nostart.I found no fuel no injector pulse,no spark and no tach.After some searching I found 15a fuse F1 blown out by the battery.Replaced the fuse.The truck will idle but when you try to drive it blows the fuse.replaced wi...
2006 Chevrolet Silverado 2500 HD LT 6.6L Cooling VIN: 1GCHK23DX6
Vehicle was brought in for a new thermostat. Replaced both thermostats with OEM stats. The cooling system has been bled several times following the GM procedure. The operating temperature flucuates between 160 & 180 degrees, but never goes above 180 degrees. T...
2003 Chrysler PT Cruiser 2.4L Poor Idle Quality, MIL Lamp on VIN: 3C4FY48B03
Car came in with check engine light on and costomer said the car has no power.Road tested car seems to have plenty of power. But the car runs rough at idle.Also when watching the RPM on scan tool the Rpm will drop off but the engine will not change.And at idle... Trouble codes: P0300, P0352, P2302, P2305
1997 Dodge Dakota 3.9L No Start VIN: 1B7FL26X3V
Vehicle towed into my shop DOA. Customer stated that he replaced items listed in repair history due to finding the rotor melted. On inspection it has happened again. The rotor looks as if someone held a torch to it. I am at a loss as to why this happened with ...
1998 Dodge Ram 2500 5.9L 1st Reverse VIN: 1B7KF23DXW
I do not know where to go at this point . The normal items have been done we have also bleed the clutch hydraulic system with no change.
2002 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3D7HA18N92
What a way to end the year! We took in this truck a couple of weeks ago. It presented with an engine miss which was diagnosed as valve trouble with #2 cyl. We removed the heads and sure enough found the intake seat on #2 wedged behind the valve holding it open... Trouble codes: P0352 (ignition coie 2 primary circuit)
2007 Dodge Ram 1500 SLT 4.7L headlights VIN: 1D7HU18P37
Headlights will flicker while driving on low or high. I removed the fuse block from the fender well and disconnected the connectors to the headlamp circuit and reconnected them using dielectric grease to help with the connection, when I tested the pins at the,...
1994 Ford Explorer XLT 4.0L ign fuse VIN: 1FMD432X5R
as soon asa u turn key on 60 amp max fuse blows,only w/key on.as soon as u turn to on position max fuse blows everytime,r&r ign switch n replaced,same problem,disconnected sollenoid by batt,still blows fuse,disc radio,same,disc seats,same.don`t see any burned ...
2001 Ford Mustang 3.8L Misfire VIN: 1FAFP40441
fuel psi 72 koeo 66psi at idle, spec says 27-37 at idle. has returnless fuel system, regulator in fuel pump module?
2004 Ford F-150 Lariat 5.4L engine VIN: 1FTPW14584
Customer came to us with and engine problem..Apparently he was noticing it was missing...We found that cylinder 4 under 1000 rpms had a miss..Once he replaced what he thought was the problem it was still there..The vehicle runs great when acceling but when at ...
2005 Ford Excursion Limited 6.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, intermittant no star VIN: 1FMSU43PX5
im at my wits end keep getting code p2284 even with new icp. injector buzz test come up good fuel pressure good any input will be greatly appreciated thanx and have a happy holidays Trouble codes: P2284
2007 Ford Mustang 4.0L Shifts VIN: 1ZVHT80N87
I have a hard shift problem with this 5r55s trans. 1-2 & 2-3 shifts are hard, 2-3 shift is very hard. There are no codes. I checked line pressure and it is on the high side of specs. I replaced the solenoid pack again just to make sure with a new ford one. If ...
1987 GMC V1500 Sierra Classic 5.7L Hesitation, Cuts out VIN: 1GTEV14K1H
Been working on this one for a while now. Have 13 psi on fuel pressue. New EGR. New TPS. No codes. Truck hesitates when cold (sits over night in summer or for several hours in winter) upon initial start up and light acceleration. Seems to be around 1/4 thrott...
1994 GMC Jimmy 4.3L engine VIN: 1GKCS13W4R
hello folks looking for advise. customer came in with coolant leaking from front and back of intake manifold. checked oil no signs of coolant oil mixture. replaced intake gasket, replaced oil and filter, also replaced oil cooler hoses that were leaking oil con...
1995 GMC C3500 Sierra SLE 6.5L No Start VIN: 1GTHK34F4S
Hello and thank you in advance for reading our post. This diesel belongs to a friend and I agreed to take a look for him. He recently had the head gaskets replaced by another shop in town. Everything was fine for a a month or so and the engine started dieing...
2001 GMC Safari SL 4.3L gas tank VIN: 1GTDM19W01
Please see above
2006 GMC Envoy SLE 4.2L Misfire, MIL Lamp on VIN: 1GKDS13S46
Vehicle has a misfire on #3 cylinder at idle. have run compression test has 195-200 psi. ran cylinder leak check with no leakage present. Fuel pressure is good (58-60 psi)and can find no vacuum leaks. cleaned injectors with AC Delco X66 top engine and injector... Trouble codes: P3000
1994 Honda Civic EX 1.6L No Start VIN: JHMEH9593R
Vehicle was towed to me with a crank but no start problem. The vehicle had sat for about 3 months. Battery was charged. I used an inline spark light checker and it didn't light. Mitchell says to ck for key power on blk/yel wire at coil and I have 12.5 volts. I...
2000 Honda Accord EX 2.3L All gears affected
Need some advise as to next step on this B4RA that we rebuilt approximatly 1 week ago. We are not a transmission shop so this is not our expertise. We reluctantly tried to rebuild this one ourselves. Replaced all clutches, inspected valves in valve bodies, rep...
2006 Hyundai Tucson GL 2.0L MIL Lamp on VIN: KM81N72046
Tested MAF air sensor was below what some people thought it should be. Installed new unit from Hyundai. Fuel trim went down to 8% Thought we had it. Light came on in 5 miles.tried 2 new O2 sensors B1 & B2 thinking they might be switching too slow. Same problem... Trouble codes: P0172 (Oxygen Sensor too lean B1), P0174 (Oxygen Sensor too lean Bank 2)
2006 Hyundai Tucson GLS 2.7L MIL Lamp on VIN: KM8JN72D46
Robert said there is a bulletin about a cone in the air filter this car doesn't have one and all air tubes are clear This is a re-post of the same car with errors corrected as to VIN and it IS a 6cyl Trouble codes: P0171 (O2 sensor too lean Bank1), P0174 (O2 sensor too lean Bank2)
2006 Lincoln Zephyr 3.0L Heated seat VIN: 3LNHM261X6
Hello All. I have a 2006 Lincoln Zephyr with dual climate controled seats not working. I have verified that the DCCM(Dual climate contol module) will not comm. with the Scanner. I am using the Ford IDS. I have checked fuses and performed the reset procedure pe...
1996 Mercedes-Benz G320 3.2L No Start VIN: WDB4632311
This is a Euro model G-Wagen. Came to our shop w/dead mis on cyl. 3 and 4. Traceced to no injector signal on those to cyl. Checked harness, power and grounds and determined the problem was in ECU. Sent computer out for repair. When returned engine would not ru...
1999 Mercedes-Benz SL500 5.0L Radiator VIN: WDBFA68F0X
This car came in on hook belt had broke vehicle had ran hot. I replaced belt and tensioner. Elbow for overflow hose on top left corner of radiator is broke. I have a new elbow to go on it. Is there an easy way to replace without breaking the little mounting ea...
2003 Mercury Sable GS 3.0L abs VIN: 1MEFM50U53
Regular customer complains of abs activating during hard braking. Road test revealed abs does activate even while traveling at 30 mph no skid just activation. IDS graph shows both rear wheels are slowing down about 3 mph faster than front. When abs is activati...
2007 Mini Cooper 1.6L fluid VIN: WMWRC3356T
Just a question to anyone working on mini coopers. We replaced a cv axle and fluid dumped out, unable to locate fluid at the time, we were wondering if anyone knew if you could run BG products in the transmission. We have some syncroshift type fluid from bg. A...
1996 Nissan Maxima SE 3.0L MIL Lamp on VIN: JN1CA21D5T
Hello, i have a maxima here with a codes p0500 speed sensor and a p0600 serial communications. all data says this is ecm to tcm communications. so I did pinpoint tests and tested the serial data wires which were good. looking on IATN Ive seen that some others ... Trouble codes: P0500, P0600
2002 Nissan Pathfinder LE 3.5L Electronic VIN: JN8DR09Y62
this is the shop forman's nissan pathfinder. We had 20 inches of snow on monday. on his way in he got stuck in the snow. this is what is happing now the indector on the dash will flash ( this is the one with the four wheel's and transfure case). the front indi...
2002 Nissan Altima SL 2.5L Heater Temperature VIN: 1N4AL11D62
We have a 2002 nissan altima that the heater cools down at idle, heats good as long as rpm is above 1500/ engine temp is normal, we have flushed the heater core, this appears to be a circulation problem, but i have not found a restriction, has anyone ran into ...
1999 Oldsmobile Aurora 4.0L Not Sure VIN: 1G3GR62CXX
When cold has very high pitch whine.on idetifix they talked about pouring water on intake to see if pitch changees for the anti-backfire valve.my problem is i cant find that in all data.is it the air ck valve or divertor vavle.i couldnt find any illistrations ...
1999 Pontiac Grand Am GT 3.4L cooling system VIN: 1G2NW12E1X
This car came in with the complaint that it was leaking coolant and was getting warmer than normal. I found the water pump leaking and replaced it. The reservoir cap was also broken. I retested the system and found that at that at 215 deg coolant would boil ou...
1995 Porsche 911 Carrera 3.6L engine VIN: WP0AA2996S
Looking for some insight on this porsche and its engine noise, we are a european repair shop but dont see a lot of porsches. Customer complained of a lack of power and pinging noise in the engine. I test drove the car and the power felt fine, they dont really ...
2007 Porsche 911 Carrera 4S 3.8L sidelights, low and high beam
Hello All, We have a [...] year in our shop and for no apparent reason the sidelights, low beam and high beam have stopped working when you turn the light switch on. If you turn on the indicators with the keys out the side lights work as parking light...
2003 Saab 9-5 Aero 2.3L Radio VIN: YSEH49G133
Please help, vehicle came in needing battery did not use memory savor, and placed radio into Lock , anything I can do to keep my cost down being i am responsible for this, owner took vehicle to GM dealer they used OR tried to TECH2 2 they said need new radio ?...
2005 Saab 9-3 Aero 2.0L Poor Idle Quality, Hesitation, Misfire VIN: YS3FH75356
Hello Saab Techs! This car has a mis-fire on idle and also on the Tech 2 mis-fire counters. I have replaced with NGK plugs platinum, New Coils and MAF sensor from dealer. When I drove it drives fine with no problems turbo kicks in. I drove for about 45miles. ...
2002 Subaru Forester S 2.5L No Start VIN: JF1SF65592
This vehicle will not start in the morning on first crank. After cranking then letting sit for a few seconds it cranks right up and every time after that, unless you let it sit for about 15-20 mins.. then the same long crank until it starts then starts right a... Trouble codes: 0335 (Crank sensor replaced)
2004 Volkswagen Beetle GL 1.9L Rear Defogger VIN: 3VWBR31C64
Happy New Year. We have a couple questions on this Beetle What is proper reistance for the rear defogger? (Car may have an aftermarket rear window in it?) Here is the problem. Car came in with rear defogger fuse blown. Found a 25 amp melted in slot that should...
2006 Volkswagen Beetle 2.5 2.5L radio VIN: 3VWRF31Y16
This car was sent here by a body shop that repainted the hood. In the time it took them the battery went dead and locked the radio. I first tried to get the radio serial number with the vag com and was unable. I manually pulled the radio. I called the dealer w...
2008 Volkswagen Beetle 2.5 2.5L Mechanical VIN: 3VWPW31CX9
Hello to all and happy new year. Starting this year off with a wierd noise in this Beetle. Doing a used car inspection for local Dodge dealership and we are trying to guide them in the right way on this one. We noticed the engine has a noise coming from it. It...
2001 Volvo S40 1.9L No Start, Misfire, MIL Lamp on VIN: YV1VS29531
After this car sits for about 30 min., the crank time is 20-30 seconds, then usually starts and runs smoothly. Sometimes it will run rough for a few sec. and then clears up. It seems to be a little sluggish on accel for a minute when driving. We do have a cyl ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Cadillac DeVille DTS 4.6L Unknown VIN: 1G6KF5792Y
I had 2 replies to replace the yaw sensor. The part was over 400.00 and I could not guarentee it would fix the problem. At this time the customer said he will live with it for now.
2003 Cadillac CTS 3.2L Ignition Switch, Windows VIN: 1G6DM57N13
1995 Chevrolet Blazer 4.3L Differential VIN: 1GNCS13W5S
1996 Chevrolet K1500 Suburban LT 5.7L Park engagement VIN: 3GNFK16R7T
I pulled the pan and found the park push rod split and fragmented causing it to bind against the park pawl. Thanks for all your advice.
2007 Chevrolet HHR LT 2.2L steering VIN: 3GNDA23D37
Thanks for the information. Can you remember the days that you could verify the complaint and actually test suspect components? With your help and a old tech assist file on delco's training site I found that calibration is not needed on the HHR. It is my under...
1994 Chrysler New Yorker 3.5L No Start, no engine turnover VIN: 2C3ED46F6R
Yeah Larry [...] forgot to mention I also chased grounds on this...and among the first thing I checked were fuses, fuseable links and relays...but John you were close to what the problem was...my first plan of the day was to follow William's advice and put the old...
2005 Chrysler 300 C 5.7L exhaust valve VIN: 2C3JA63H55
The customer decided to take it to chrysler cause they said they would help him out even though it was out of warranty. But it sounds to me from your replies like it was a valve guide or seat problem that bent the valve. Thanks so much for the replies and your...
2000 Dodge Intrepid 2.7L Turn Signals,Hazard Flashers VIN: 2B3HD46R3Y
vehicle had a 12 vlt short to grnd @ the rear trailer harness shorting flasher module all is good now ,thanks for the help
2001 Dodge Durango SLT 5.9L heating VIN: 1B4HS28Z61
Thanks to all who replied, this vehicle did have a broken blend door and a clogged heater core.
1987 Ford Mustang GT 5.0L No Start VIN: 1FABP45E6H
first off let me thank all those who took time to reply to my post. secondly if you open the hood of a pre-89 mustang and see a maf sensor close the hood and walk away! this is not customers daily driver and has benn very patient. have checked compression leak...
1992 Ford F-150 XL 5.0L Mechanical VIN: 1FTEF14N8P
Thankyou very much for your responses. We are applying many of your suggestions to replace or swap some of the components from old engine to replacement engine. A little prevention goes a long way!!! Again thankyou very much for responding.
1999 Ford F-350 Super Duty XL 7.3L Transmission VIN: 1FTSF31FXX
Thanks for the help guys. What we found was the internals where just worn out. The part that threw us for a loop was it cam in only chattering when shifting into sencond but by time we got done trying different things it had totally lost first and second gea...
1999 Ford Ranger XLT 3.0L Wheel Bearing VIN: 1FTZR15X4T
Another case of miscommunication between customer and mechanic. Customer was not complaining about the grumbling wheel bearing noise, he was actually complaining about a knocking noise when hitting the brakes. Turned rotors and sanded pads and noise went away....
2000 Ford Explorer XLT 4.0L No Start VIN: 1FMZU73E2Y
I did have the opportunity to check the inertia switch, no fault found. I did replace the fuel pump relay. customer hasn't had a reoccurance of the problem, but [...] term verification will not be possible as the customer is selling vehicle. I appreciate all th...
2003 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTNW21P73
The IPR valve was the problem. There was some debris in the inlet screen. Replaced valve and all is good. Thanks Charles from california for the good info. Jeremiah hit the nail on the head with this one. Thanks again for all the help
2003 Ford F-150 Lariat 4.6L cooling system VIN: 1FTRW08633
Hey guys, Sorry this took so long but w/ christmas and the machine shop keeping the heads for a week, pluss the pain in the knuckles doing this, It's done. Found cyl. 4 leaking into the coolant passage. Even though I realy didn't think the head gasket was bad ...
2005 Ford Ranger XLT 3.0L wipers/washers VIN: 1FTZR44U15
This ranger does have separate switchs for lights and wipers.However the problem seems to only occurring when it wants to .The customer has not returned for me to check the wiring yet,Thanks for the help.EH
2005 Ford Ranger Edge 4.0L drive train VIN: 1FTZR45E65
Thanks guys It was the transfer case I removed both drive shafts and put in four wheel drive and held the front output shaft at transfer case while turning the rear back and forth,I could feel the slop in the chain so I called a junk yard and found a used one....
2005 Ford F-150 XLT 5.4L Misfire VIN: 1FTPW125X5
Thank you everyone for your help. After checking everything possible externally we decided to open the engine back up and sure enough found some slack in the bank 2 chain. We rechecked all timing marks and they were dead on so we replaced cam phaser gear and p... Trouble codes: P0012 (Intake Cam position timing over retarded Bank one), P0340 (Cam position sensor fault).
2008 Ford Escape XLT 3.0L CD player VIN: 08ESCAPE08
I figured out how the trim comes off. Thanks to Michael and Terry for explaing how the trim pieces come off. These have really good push in clips. Steve said to unplug the CD and plug it in, then push the reset button and stick in another CD to help the stuck ...
2000 Honda Accord LX 3.0L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1HGCG164XY
This car is fixed, and it CAN be done without dealer help! Thank you all that replied. First, this TSB (00-024)for the hot soak problem fixed the car, a new pressure regulator, and PCM. According to Honda thay need to be done together if you want to go with th... Trouble codes: P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304 (p0305-), P0305 (p0306-), P0306 (testing and results).
2006 Honda Accord EX 3.0L all of em VIN: 1HGCM81636
Thank you all for your replies. It became clear to us that it didn't matter if we fixed the long term problems of this clutch, but rather fix it good enough to trade it in for another car. So against our better judgment I threw in a new flywheel, clutch, pla...
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
After returning the vehicle to the customer, he has not detected any problems on startup and the MIL remains off. I never really did conclude anything solid on the fuel pressure behavior and believe maybe there may have been a minor fuel contamination issue.... Trouble codes: P0300, P1316, P0303, P0304, P0305, P0307.
2005 Jeep Grand Cherokee Laredo 4.7L Stall VIN: 1J4HS58N75
Thanks to all who took time to reply. A lot of good responses. I believe Richard from Manitoba had it. I reprogrammed the computer and still had the stalling problem. When I monitored the line pressure desired and actual as Richard said, the pressure was ofte...
2002 Lincoln Continental 4.6L Engine VIN: 1LNHM97V12
Thanks to all who replied. I had hoped to say that I have the problem fixed, but unfortunately I can't. It was very clear that the problem is a carbon problem. I got my video bore scope out and looked down the plug holes and found the tops of the pistons, in f...
1993 Mazda RX-7 1.3L Radiator Fans VIN: JMIFD3313P
Thanks for the help. Grounding 3D at ECU does turn on fans. Due to condition of car and time spent I installed a temp switch and wired the fans to turn on high speed only at 185f. The switch on the back of the water pump is for the high speed. It completes the...
2001 Mercedes-Benz SLK230 Kompressor 2.3L esp light on VIN: WDBKK49F71
the vehicle is fixed location was behind shifter,in the tunnel area almost under hazard switch.noticed some dried up fluid on it possible cause of spilling some kind of fluid.happy new year.
2005 Mercedes-Benz E320 3.2L Starter VIN: WDBUF65J75
Replaced EIS. Won't know until next summer if it's fixed, as problem only occured on hottest of days.
2001 Mitsubishi Galant ES 3.0L No Start VIN: 4A3AA46H2L
thanks to all replied. after pulling off the timing belt, verifying the crank sensor ring and both cam pully pins were good, reinstalling belt, i decided to hook a timing light up to compare it to when it fires to where the crankshaft was. the spark did not...
2000 Oldsmobile Silhouette GL 3.4L Heater VIN: 1GHDX03E9Y
The heater core was restricting airflow. Replaced the heater core. The design of the heater box leaves alot to be desired. When set on cold the air leaves the fan, goes through the evaporater and directly out the vents. When set on hot the air has to go throug...
1900 Other GM SLED 8.0L Cuts out VIN: 2121365948
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