Prev iATN Members TechHelp for August 12, 2009
Automotive Technical Exchange for the Automotive Repair Professional		 Next
(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
1994 BMW 540i 4.0L No Start
1994 540i bmw do not know if it is the dme or the crank shaft censor or the cam censor .will not get power to the fuse for the fuel pump but it has power to the fuel pump relay can by pass the fuse and get power to the pump . but it will not run that good with...		 View
2000 BMW 323Ci 2.5L Power Seats
Hi Guys About a month ago customer came in with passenger side power seat inoperative.Seat would not move in any direction nor would it recline.Customer did'nt want to spend much money and asked if i could just try and get seat manually back to a comfortable p...		 View
2002 BMW Z3 3.0L abs
Guys I need advice. ABS codes 5E3C, 5E38, 5DB0. If I cleared the codes I get 5DB0 back hard, I 1st replaced the left front wheel speed sensor, Then the code re-occured and then to find out that that code was for the left rear not the front. So replaced the lef...		 View
1954 Buick Super 322CID converter
ok guys i need some info on this one so i don't pull this back out for no reason,origally pulled and rebuilt because it was not installed corectly(wiped out front pump because converter not clocked right)when took apart also found wrong pump gasket,this is a d...		 View
1995 Buick Regal 3.8L Surge
Our concern on this car is the surging under load but we have tested everything out that we could think of, but our main concern switched from the surge to getting the history codes to clear. The vehicle had twelve codes in the history we thought this seemed l... Trouble codes: PO113 (po118-), PO118 (po123-), PO123 (po140-), PO140 (po341-), PO341 (po502-), PO502.		 View
2004 Cadillac Escalade 6.0L Hesitation, Stall
This code (P2135) is very intermittent. I have followed diagnostic on Alldata concerning loose wiring crimp at throttle body connector. I cannot find any loose conections nor can I duplicate the problem. I have done voltage drops on G103 & G104. Has anyone com... Trouble codes: P2135 (TPS 2 Sensor Disagrees With TPS 1 Snsor).		 View
1996 Chevrolet Caprice 5.7L Hesitation, Surge
Car came in after sitting for more than a year with a hard miss.Someone else had been into it and crossed cylinder number 2 and number 6 plug wires.Car still missed. Dist vent house was carbon tracking out of cap. Cap and rotor replaced.Miss was gone car still... Trouble codes: PO335 (crankshaft position sensor circuit), PO336 (crankshaft position sensor circuit performance).		 View
1998 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Greetings fellow tech Thank you for your time on reading this message. I have this 98 chevy cavalier with a starting condition during cold start and after warm up. The vehicle is hard to start during the cold crank. After the engine warms up it is still a bit ...		 View
1998 Chevrolet Pickup 7.4L engine
I have a bit of a mystery. Customer returned from a trip out of town over weekend. Said the truck ran great all of the way. On first start up Monday, it ran horrible. MIL was flashing. She was able to drive to our shop. I did a quick crank test and could tell ...		 View
2000 Chevrolet Prizm 1.8L pressures
This little prizm came in with an a/c leak. Located the leak to be the front seal of the compressor. MAJOR leak. Replaced the compressor, orifice, dryer, and belt. vacuum for 60 minutes and charged with 1.65lbs 134a. Added 3 oz of oil to compressor and 2oz to ...		 View
2007 Chevrolet TrailBlazer 4.2L MIL Lamp on
Has anyone seen this code before? Mitchell's discription isn't very clear and there isn't a good test procedure. I have checked for PCM updates related to this code and there aren't any. Any help would be appriciated. Trouble codes: P1400 (Cold start emission reduction system).		 View
2007 Chevrolet Cobalt 2.2L vavletrain
Hey fellow techs, seems like once a little goes wrong a lot follows it. I replaced the headgasket on this 2.2L cobalt. It was for and older mechanic and he was trying to save as much as possible. So when i was done he said he would change the oil, which i didn...		 View
1999 Chrysler Town & Country 3.8L no start
This van was towed in as a no start from a GM dealer that sends us all their non GM cars. The dash was half apart. Can't get a straight story on the original symptom. Owner says all parts are original, but I am concerned they are not being truthful about the B...		 View
2006 Chrysler Town & Country 3.8L left front rotor/caliper
We have seen this recently on two different Chrysler minivans. The first one was a 2001 and the customer wasn't happy over the 6 months of trying to catch the problem. Both customers complained of a burning smell and loss of power and vibration. It was hard to...		 View
1995 Dodge Dakota 5.2L emission
car came in 1/5/05 for failed smog and a brake job. replaced egr valve and oxygen sensor and car passed. also replaced thromostat. car came in a few days ago for failed smog also. readings failed for hc and nox. nox measure 734 and max was 508, hc mease 93 at ...		 View
2000 Dodge Grand Caravan 3.0L compressor & cooling fans
Customer brought vehicle in for a/c charge/repair. Was charged 1 week ago and now low on refrigerant.Partially charged for testing and found cooling fans do not come on with compressor.Now here's were it gets strange.If you turn off the compressor the radiator...		 View
2003 Dodge Pickup 5.7L Cuts out, Misfire, MIL Lamp on
This truck is a 2003 ram 3500 dually 5.7 hemi The truck when hot and under med to heavy load will missfire violently. It throws a p0300 multi miss immediately and missfires on 6 out of 8 cylinders. the cylinders that are missing are 1,2,3,5,7,8. 4 and 6 show z... Trouble codes: p0300 (multi cyl miss), p0394 (ckp sensor intermitttent).		 View
2003 Dodge Pickup 5.9L drive shaft
we have a 2 wheel drive dodge that we replaced u joints in for what we thought was the noise problem. it has a krinkle noise like you would have with a dry needle bearing when shifted from drive to reverse. it almost sounds like it is coming from the middle of...		 View
2006 Dodge Pickup 5.9L Poor Idle Quality, Cuts out, Stall, Misfire
Thanks for looking at this with me. I have a 06 Dodge 2500 here.. after the injectors were replaced at a shop across town. customer complained of bad idle at startup. I have found that when air heater circuit is running engine misses badly. Im not a diesel tec...		 View
1996 Ford Windstar 3.8L Hesitation, Stall
Veh has a bad hesitation,it will stall about half the time on decel ONLY in gear,i have relaced the i.a.c.,the t.p.s. and the m.a.f. all to no avail,i found the spark plugs to be DROWNING in anti-seize i've cleand off 3 of them but prob is no better i smoked t...		 View
1999 Ford Pickup 4.2L intake manifold
I'm installing reman. engine. Coolant leaking from front of intake on drivers side and rear of intake on passengers. The new, updated "double seal" (OE) gaskets were installed. Upon dissassembly inspection and 'micing' the seal of coolant port (left side front...		 View
1999 Ford F550 Super Duty 6.8L mode 6 failure
Hello fellow tech's I have a 1999 f-550 6.8l that the driver stated lost power during normal driving and remained guttless until he cycled the ignition switch. checked for codes none to be found. knowing about issues with dpfe sensors I installed a new for dpf...		 View
2000 Ford Ranger 3.0L Excessive Emissions, Poor Idle Quality, Surge
This engine still has excessive valve noise and rough idle. Has anyone run into cracked blocks with these 3.0's? I believe there is still exhaust entering into the cooling system but I can't pick it up with a block test. I don't have an exhaust analyzer. Oil p... Trouble codes: P0402 (EGR excessive flow).		 View
2000 Ford Pickup 4.2L cooling system
This is a good one! I replaced the upper and lower radiator hoses on this truck and it now runs hot. I am not new to this business, no kinked hoses or anything simple, I let it run with the cap off until the stat opened and it has no bleeder that I can see. It...		 View
2001 Ford Pickup 7.3L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on
This powerstroke will intermittantly run very rough at startup. If you cycle the key it will usually clear up and run fine. I had to drive it for a week before it acted up. When it acts up it will set code P0261. We have replaced the IDM with a factory reman ... Trouble codes: P0261 (Injector 1 circuit low).		 View
2002 Ford Pickup 5.4L Stall
Thanks for looking over my post. Customer droped off his F-150 for a stall when comming to a stop, bucks and almost stalls on interstate driving, and CEL. All of these problems seam to occur when the engine is warm, driving for at least 30 min, and warm outsid... Trouble codes: P0340 (Loss of CMP Signal).		 View
2002 Ford Pickup 7.3L cruise control
Cruise control on this vehicle does not work.No codes in computor.Will not do self test(key on while holding off button)no cruise light.Have tried new switches in steering wheel.Has 7 volts on blue black wire from pcm,volts change as you hit switches but does ...		 View
2004 Ford F550 Super Duty 6.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire
truck was on a road call and started chugging and losing power, blowing black smoke. limped home spent last week on it doing tests and getting familiar with systems. fuel pressure check at water separator showed good at 80 psi(specs are 55-65) could not start ... Trouble codes: P006A (MAP mass or volume air flow), PO401 (EGR Insuficient flow detected), P132B (Turbocharger Boost), P1378 (Supply voltage circuit), P2290 (injection control pressure too low), P2617 (crank sensor circuit).		 View
2005 Ford Five Hundred 3.0L rear differential
code 1889 cant clear it , no drivability problems , tsb didn't fix the problem, is there any common problem with these.		 View
2005 Ford Focus 2.0L Poor Idle Quality, Poor Fuel Economy
if i desconet the head temp sensor runs better i also replace this sensor new any help wiil be appresieted		 View
2006 Ford E450 Super Duty 6.0L Cuts out, Stall
Ok this one has me puzzled. We have a contract with a local company in Washington DC and they have a fleet of over 900 6.0 diesel vehicles!!! Anyway this vehicle came into the shop cutting off. Scan for codes using Ford IDS, found no codes. Test drove vehicle ... Trouble codes: P0341.		 View
2008 Ford f150 4.6L restraint system
hi techs: this pick up came to our shop with the air bag light flashing on the dash.hooked up scan tool and found two codes stored, b2292 and b2691. further diag. revealed that both seat belt harnesses had been ripped out of the receiver part of seat belts dam...		 View
1997 GMC Sonoma 4.3L Engine
Came in on a tow truck with a blown slave cylinder. Did a full clutch job. Afterwards, it was very difficult to start the engine. Found the distributor was 2 teeth off and could tell someone has had the intake off before. Retimmed distributor and got the engin...		 View
2000 GMC Sonoma 4.3L No Start
customer complaint - vehicle is very hard to start in am but ok after it does start. for several days it started ok for me. after sitting over weekend it failed to start. spark is good. fuel pressure ok. and getting pulse at injectors. vehicle would not fire e... Trouble codes: p0300b (missfire detected stored in history).		 View
2003 GMC Yukon 5.3L Rear AC temp door and mode door
I wasn't sure if this would be elect or AC, so I put it here. the aux ac wont change mode or temp. it always blows cold out the face vents. the very rear control head is missing. it says that it communicates over the class2 data buss. the front aux control hea...		 View
1991 Honda Accord 2.2L No Start
the sport transmision lamp flashes then vehicle will not start		 View
1998 Honda Accord 3.0L MIL Lamp on
sets an intermittant code 1457, Clearing the code, it will return sometimes days later, usually when cold and under full throttle accelleration. Has been doing this for sometime Now has a very minor inaccessible fuel leak, maybe related, only when tank is at 3... Trouble codes: 1457 (emission leak).		 View
2003 Honda Element 2.4L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on
this vehicle was brought to me running very bad at idle and while driving. the mil was on wiht a code related to the iac valve. i cleaned the valve and the car ran way better .now the mil come on about 30mi after i clear it.the code p0172 system too rich only ... Trouble codes: p0172 (system too rich).		 View
1989 Jeep Wrangler 2.5L No Start
Vehicle towed in no start. Check fuel pressure ok 15 psi. Varified no spark no injector pulse. Hooked up Modis no rpm and injector pulse width while cranking. Test crank sensor with scope perfect wave form replaced anyway still no rpm or injector pulse. Ohm cr...		 View
1996 Jeep Grand Cherokee 4.0L No Start, Stall
Vehicle originally came to us with a stalls/ won't restart sometimes complaint. Checked for codes and found ignition coil primary circuit code. Once we were able to duplicate the problem, which usually happens after the vehicle is warm, we found no ground cont...		 View
1996 Jeep Grand Cherokee 4.0L Hesitation
Thanks in advance. This one is being a pain. This one will not get out of its own way. Scanned computer and it had two codes with no light on , P1762 and p1763 (transmission solonoid voltage high and low. I dont know if this an old code that has not been clear...		 View
2006 Jeep Liberty 3.7L hvac
Hi All, have a strange one. This Liberty will have good vent temps for the first 5-10 mins after initial start up (50-55*F) then temps will climb almost to ambient. Compressor cycles constantly unless low press. switch is jumped. Suction line gets cold and swe...		 View
1996 Land Rover Discovery 4.0L Poor Idle Quality
hi everyone ive got this discovery here and its got us all stumpped here. came in and the customer was complaining that the idle was far to high. we went to check the truck and idle was at 1300 and ranged up to about 2500 at some points. the idle is not alw...		 View
2001 Land Rover Discovery 4.0L coolant
We pulled the heads and had them pressure checked , they were fine. There is no visible failures in the head gaskets . We pulled the timing cover , the gasket was crumbly but intact and the cover appears to be good. Any thoughts ??? Has anyone seen this ??...		 View
2004 Land Rover Freelander 2.5L No Start, Cuts out, Stall
It Will Run Fine For About 5-10 min Then Cut Out. Then Oly Turns Over. Leave For About 10 min And Will Start Right Up. Any Info And Help On This Thing Would Be Great. Trouble codes: p0336 (Crankshaft Position Sensor A Circuit Range Performance), p1472 (Maunfacturer Code), p1471 (Manufacturer Code).		 View
1994 Lexus ES 300 3.0L MIL Lamp on, RECURRING PO130
hello there fellow techs. i have this 1994 lexus es 300 with a 3.0 dohc engine and automatic trans which has been haunting me for the past few months. i initially installed a o2 sensor due to engine code po130 which at the time was lead to believe was going to... Trouble codes: PO130 (oxygen sensor circuit bank one sensor one).		 View
1996 Mazda 626 2.0L Poor Idle Quality, Surge, Stall, MIL Lamp on
Hello: Another surging idle mystery vehicle. Thought for sure it was another vacuum/intake leak type of repair. No leaks found with smoke test, mirror exam or spraying with brake cleaner around intake. Removed ISC from bore and plugged with large plastic plug.... Trouble codes: P0120 (Throttle position sensor cicuit A).		 View
2001 Mazda 626 2.0L Poor Acceleration
This car has poor acceleration and very late shift points. It feels like it has a restricted exhaust but back pressure is one psi at the most at any RPM,Driving or standing still.WOT from stand still 02 reads 900 mv. 02 seems to switch normally and fuel trims ...		 View
2003 Mazda MPV 3.0L cooling fans
customer is complaining of his cooling fans noisey. i drove the vehicle and it seems the very hi speed mode was activated, the fan motors sounded a little loud to me but not obvious that there was a problem. i am not sure if i should just try a new set of fan ...		 View
1996 Mercedes-Benz C280 2.8L MIL Lamp on
Thanks in advance for any help. I am not a MBZ tech but serviced this for a good customer. I did a minor service (lube, oil and filter), replaced bad front shocks, replaced bad fan clutch and thermostat. Everything was fine vehicle left after service and 1 da... Trouble codes: P0411 (Air injection flow incorrect), P0400 (EGR flow), P1700 (Manufactuer controlled transmission).		 View
1997 Mercedes-Benz C280 2.8L MIL Lamp on
checked o2 sensor voltage with a dvom and found to be switching within the range of 300-1100mv.spoke with identifix throughout process last time and determined that by adding a redundant ground on the sensor ground it pulled the voltage down to 60-900mv. added... Trouble codes: P0130 (o2 sensor circuit malf).		 View
1999 Mercedes-Benz S500 5.0L Starting, Guages, Accessories
Customer states car would intermittently not start. I have observed nothing powers up when key is turned on. No accessories work, instruments do not come on and the starter will not crank. I can not scan for codes as the ignition is not powering up. I have che...		 View
2002 MINI Cooper 1.6L Fan / Fan circuit
I am working on the cooling / condenser fan on a Mini Cooper – finding lack / poor info is not helping matters. A crash course / hints on this fan system and repairs would be appreciated Car came in for AC work and noticed too high of high side – quizzing cu...		 View
1993 Nissan 300ZX 3.0L Electronic
hi thanks in advance.this car has been changed over to 134 some time back.the problem i'm having i that i from what the customer says it doesn't cool like it should and the condensor fan doen't kick on. the fan works,but from what i see on all data this thing...		 View
2000 Nissan Maxima 3.0L No Start, Misfire
this car came into our shop with a bad coil after reading some of the fixes on this site we advice the costumer on replacing all of them at once. all coils were replace vehicle still had a misfire on cylinder one, after running for a few minutes the car shut-o... Trouble codes: PO301 (cylinder 1 misfire), P1320 (primary coil malfunction).		 View
2001 Nissan Altima 2.4L MIL Lamp on
greetings to all this nissan came to me from another shop whom were chasing a couple of evap codes.as noted they have changed several solenoids with no success.i did check for codes and got two evap codes small leak and large leak for evap.i put my smoke machi... Trouble codes: PO1441 (small evap leak), PO455 (large evap leak).		 View
2003 Nissan Altima 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on, ENGINE NOISE
hello techs this vehicle came in with a rough idle and a cel on.initial inspection proved failed crank sensor,sensor was replaced.now cel is back on with a random cylinder misfire and when it gets to a certain temperature engine sounds like it is coming apart... Trouble codes: PO300 (random cylinder misfire).		 View
1999 Oldsmobile Intrigue 3.5L Stall
this car has an intermittant stall concern. mostly noticable when first started cold, but can happen anytime. sometimes may start and stall 3-5 times right away, sometimes may stall only once and then run fine. checked fuel pressure=ok, had fuel pressure gage ... Trouble codes: none (testing and results).		 View
1997 Opel Monterey 3.2L Cuts out
please could you tell me if the fault code is in fact the speed sensor. and where is the speed sensor situated any wiring diagrams would be apreciated. This vehicle cuts out and then starts right up again. As this vehicle is foreign to my country we do not hav... Trouble codes: 24 (vehicle speed sensor).		 View
1995 Other Ford 2900 3.6L Expansion Valve?
I have a question regarding this farming swather. After a recharge of 3 lbs, the compressor kicks out after about 10 seconds. It has pulled the low side down under 10lbs. The high side goes to 100lbs. I applied power and ground to the compressor to run it cons...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Audi V8 Quattro 3.6L Timing belt
Ok, thanks again everyone for the helpful suggestions. We ended up renting the proper tools from www.audipages.com. Price was very fair and Paul shipped the tools out very promptly. I am greatful to the tip about renting the tools, as I was prepared to purchas...		 17
1998 BMW 740iL 4.4L coolant system
thanks to all for taking the time to help a fellow tech. everyones imput helped. This one turned out to be the thermostat. I did learn that the guage stays in the middle for a wide range of tempature (aprox 200f - 235f) then continues once the engine temp gets...		 9
2000 BMW 750iL 5.4L abs lamp on
THANX TO RESPONDERS, CARS THAT COME FROM USED CAR DEALERS (AUCTION CARS) THAT ALL OF US TECHS REPAIR IS A CHALLENGE THIS ONE WAS EASY. WIRING CONNECTOR WAS BACKED OFF THE ABS CONTROL UNIT. THANX TO ALL 		3
2002 BMW 318ti compac 2.0L timingchain/tensioner
This car is fixed,as most suggested, the chain guide was broken. We had to wait for parts from Germany as BMW NZ did not have guide or chain in stock! WE REPLACED CHAIN, GUIDES, TENSIONER, and gaskets, also replaced front seal. It is critical to use special to...		 7
2008 BMW X6 3.0L Poor Idle Quality, Misfire, MIL Lamp on
Thanks for the replys. The general consenses was a failed high pressure fuel pump and that was the problem. The car was towed to the dealership and repaired under warranty. This appears to be a common problem and I am not sure if the replacement part is improv... Trouble codes: P3090 (Lower Rail Pressure threshold value undershot).		 8
1980 Buick Skylark 2.8L Misfire, MIL Lamp on
thanks to all for the quick responce. well the misfire was fixed by replacing the ignition wires, and the check engine light by replacing the coolant temp. sensor with new connector. now the vehicle passed the smog inspection. again thanks for the help Trouble codes: 15.		 20
1995 Buick Riviera 3.8L No Start
Thanks for all the help. 29 replies, outstanding! The short answer to this problem is ignition switch, not enough current flow to the ignition module. The long answer is this. Many of you pointed out the problems they have had with conections, and especial...		 30
1999 Cadillac DeVille 4.6L engine
thanks to juan-kevin- don and dave the owner has decided to do the time-sert installation versus another engine. you're replies convinced him to either find an engine that was the proper year or repair the one he has. i learned more about the 4.6 than i really...		 4
2000 Cadillac Catera 3.0L MIL Lamp on
I had to use tech 2 remote programming to program the ecm thanks for the tips Trouble codes: p1280.		 3
1996 Chevrolet Pickup 5.7L MIL Lamp on
Turns out that the fuse for the data link connecter was blown. I use the modis scanner which uses its own power, the smog machine uses the voltage from the data link connecter. Talk about going back to basics. Thanks everybody for your help. Trouble codes: P0420 (cat efficiency low bank 1).		 5
1997 Chevrolet Suburban 5.7L pressures
There are two people that hit the nail on the head. When the new lines to the condensor were installed, They were mistakenly installed backwards. I got into the shop this morning and found the problem. Evacuated and reinstalled (correctly) recharged, Man thats...		 17
2001 Chevrolet Venture 3.4L Hesitation
hey folks thanks for all the tips swapped out every part you can think of still had hesitation as far as i know havent seen customer for 2 weeks now i'll be back.		 9
2002 Chevrolet Camaro 5.7L Misfire
Tecks! let this be a lesson learned for all. (it is was for me) Improper plugs were the culpret! There was a Denso plugs installed 500 miles ago and low and behold this is when the problems have started. Damn, well back to bascis... Thank you ALL for the tips ... Trouble codes: po300 (Multi. Missfire).		 10
2002 Chevrolet Tracker 2.5L alternator
Dave check for a weak or no ground to the alternator other than that then it could be another bad "new" part. I have had repeats. Dave dont be concerned with amperage,voltage cooks batteries should between 13.2-14.5vdc if within this spec its ok Another senero...		 3
1999 Chrysler Concorde 2.7L Cuts out, Stall
vehicle was never fixed. customer opted to leave with the vehicle as is. looking at the wiring harness as some suggested was helpful but lead no where. never tried oem parts used napa echlin parts that cleared the check engine light, but no the shutting off wh... Trouble codes: p1391 (camcrank intermittenly).		 12
1995 Dodge Stratus 2.5L od
The customer sent in the TCM and had it rebuilt. installed and no more limp mode or codes. tried different TCM while rebuilding original one and had same troubles. Not sure who he had rebuild TCM but so far I would have to say they fixed it. thanks to all who...		 12
1997 Dodge Grand Caravan 3.3L Starting
Thanks for the info. Replaced both bcm and ecm from dealer everything works fine. 		8
1999 Dodge Caravan 3.8L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
OK EVERY ONE I JUST NEED TO THANK ALL OF YOU FOR THE HELP THAT YOU ALL GAVE ME.ALL OF THE REPLIES WERE VERY GOOD.MOST OF THE REPLIES TOLD ME THAT IT WAS THE TIMING BETWEEN THE CRANK & CAM GEARS.OTHERS TOLD ME THE IDLE WAS TO LOW.BUT THE ONE THAT GAME ME THE ID...		 9
2002 Dodge Intrepid 2.7L Poor Idle Quality, Hesitation, MIL Lamp on
Thank you to all who replied ,Mike suggested that the EGR valve should not be grounded at all times, but on this system it is and the valve is supplied power by the computer to operate it. Sean suggested that the fuel trims and vaccume readings indicated a vac... Trouble codes: P0175 (Fuel sys rich bank 1), P0172 (Fuel sys rich bank 2).		 4
2003 Dodge Intrepid 3.5L L-R switch valve
I removed the valve body again, dissembled it, removed the L-R switch valve. We polished the valve ,reinstalled it,got the parts house to give us another solenoid pack, reassembled it. Did the quick learn and so far no problems. Thanks to all that replied.		 5
2003 Dodge Caravan 3.3L limp mode
Well after reviewing all of your input, that is greatly appreciated, i was able to find the problem. after the IPM was replaced i then got power to the TCM but still had same conditions. i aquired another caravan from the USPS fleet and swapped tcm's and VWALA...		 10
1993 Ford Explorer 4.0L electric
This was a big pain, but now that it is fixed its a big releaf. Mega thanks to all who helped. The 1st new relay was bad, after replaceing it for the 2nd time and with a motor craft OE part it worked and I am one happy camper. One more thanks to all who helped...		 9
1994 Ford Pickup 5.0L Excessive Emissions, Poor Idle Quality, Misfire
Thanks to all for your replies. Many suggested reinspecting the firing order. Alldata only shows one firing order for this vehicle as Ford manuals have 2 options. Alldata is submitting a change internally so not to confuse the next tec and crediting me one m...		 18
1998 Ford Escort 2.0L Poor Idle Quality
was a sticky iac, iac was new did not think that was it, thanks		 5
1998 Ford Pickup 5.4L Cuts out
After much testing of the vehicle I noticed that the truck started emitting white smoke from the passenger side tail pipe. Pulled the spark plugs and sure enough #3 cylinder was wet with coolant. Pulled passenger side head and sent back to machine shop and the...		 12
2000 GMC Jimmy 4.3L unknown
Thank you all who posted suggestions. I am grateful for the response. Most replies focused on the transmission being the cause. Lane [...], Joe [...], Jerry [...], Richard [...] and Pat [...] are very knowledgeable technicians with good experience on ...		 9
2004 GMC Sierra 6.6L oil pressure
OK, a bunch of people told me that I didn't let the engine crank long enough or run long enough to determine whether or not I had sufficient oil pressure. So I put the whole truck back together, put the turbo back on, put the oil pan back on, filled it with oi...		 15
1994 Isuzu Trooper 3.2L 2nd gear
Thanks to the two who took the time to reply. I was not able to isolate the root cause or correct the low line pressure in second gear. I explained to the customer there is nothing more I could do for it at this time, and if second gear fails again the transmi...		 2
2004 Kia Sorento 3.5L Unknown
Cleaned 3 grounds under the passenger side kick panel. Re-soldered and cleaned existing eyelets. Cleaned ground under the battery tray. Tightend all connections at TPS and MAF. Post road test, no re-occuring issues. Thanks to all who replied!		 5
1998 Land Rover Discovery 4.0L transfer case shift
Thank you all for the great and immediate help. The no. 2 relay (above the glove box) had a broken wire (white/yellow). I replaced the connector and tested the system and all works as should be! Thank you Thank you. 		6
1993 Lexus LS 400 4.0L Excessive Emissions
Well customer did not want to spend any money on the repair. Ever heard that one? I appreciate all the replies, but as it was SO close I really just wanted to "tweak" something to get it by for 2 more years. As it turns out the tweak was changing gas. They w...		 7
1996 Lexus LS 400 4.0L Hesitation
I called te dealer because the customer said they fixed it the last time for a bit. They said the found the plug at the air flow meter was loose. I checked the pin tightness and thy seemed tight. The connector lock didn't seem to good but it was working. I pu... Trouble codes: P0172 (Rich bank 1).		 7
1986 Lincoln Town Car 5.0L temp control
Hi all - I ran out of time on this car, and it is not fixed. When the customer brings it back, if I get a fix I will post an update. A summary of what I did: I pulled the upper plenum to fix some leaking heater hoses and found that all the underhood vacuum ...		 6
1995 Mercedes-Benz S320 3.2L MIL Lamp on
Thanks for the help guys, I'm happy to report that the wiring harness and the cluster were not the problem. Both Bob and Stanly hit the nail on the head in their replies. The 95 CA model has a second early OBD2 processor that retained the original codes. I fou...		 5
1999 Mercedes-Benz S320 3.2L MIL Lamp on
It did eventually start running bad so we did the tune up and he is just happy it runs good. With 200k miles on it, he took my advise and all of his friends advise and is living with a check engine light. If it runs good at 200k then leave it or you will conti... Trouble codes: p0507 (idle higher than expected), p0306 (cylinder 6 misfire).		 3
2001 Mercedes-Benz SL500 5.0L range switch
Hello to all .yes we did it again , thank to many experts who took time to help us , special thank to Steve [...], MB specialist , from San Francisco who took time to call and walk us thru .as many recommended .we chek ESM data by using modis ,we found gear po...		 9
2001 Mitsubishi Eclipse 2.4L new comp,evap ,conder.
thanks everyone ,finally fix this car,it was a bad compressor.i replaced it with another one and she starter cooling down good 41 degree and a steady 48 at an idle thanks again IATN.		 5
2004 Nissan Titan 5.6L sticks
sorry i didnt close this earlier was waiting on customer to bring vehicle back. I told him over the phone i needed to check his battery. i found out later that he just changed the battery hisself and it fixed it.Thanks for the help.		 3
1991 Oldsmobile Cutlass Ciera 3.3L No Start
found shorted injector and second pcm way to go!!! Raymond from wisconsin steve from california william from florida edward from illinois		 8
2003 Oldsmobile Alero 2.2L Horn
There is no repair or part availble for this problem.I am buying a used air bag system to repair the horn.Thanks for the replies		 4
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next