Prev iATN Members TechHelp for August 31, 2007
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
2000 Audi S4 2.7L 1st gear
Hi Audi tech's this S4 has a whine in first gear and cannot really hear in second but it still sounds like a main shaft bearing. Just wondering before I tear down if anyone has seen this only in 1st? No metal in oil. We have delt with shift issues but no noise...		 View
1999 Cadillac DeVille 4.6L compressor relay
hello all thanks for ypur time this cadillac losses power to the control side of the relay,sometimes, well i have checked for voltage drop between the relay and ignition switch all seems okay but the ac works after the test, i definatly do not have power when ...		 View
1999 Cadillac Seville 4.6L Stall
Hello fellow technicians I hope there is a cadillac tech out there who has come across this problem before. I have this Cadillac STS that intermittedly dies mostly when warm, after driving on freeway, when coming to stop. It starts right up and there are no co...		 View
2002 Chevrolet Silverado 6.0L Misfire
just looking to see if anybody had one in yet for a po300b code, engine missfire detected yet, put new wires, plugs, and switched the coils around, fuel pressure is good. going down the highway around 70mph or greater the check engine light flashes at you, you... Trouble codes: po300B (engine missfire detected).		 View
2004 Chevrolet Impala 3.4L bleeding
not getting any fluid to the wheels at all after gravity bleeding and manual bleeding . tried power bleeder didnt work iether please help.		 View
2007 Chevrolet Silverado Classic 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
This is a new truck (84 miles) that has been wrecked and rebuilt. I purchased at local salvage auction and have performed all repairs myself. It was damaged under the front, pushing the frame and engine up a few inches. Whatever it hit, it went over it damagin... Trouble codes: 300 (randommultiple misfire).		 View
1997 Chrysler Sebring 2.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Replaced timing belt in this car.Car came back as a "since ya"with a complaint of bucking/jerking.All cars are roadtested by a very particular shop foreman before delivery so I know the car did not have a problem when it left.Initial roadtest on second visit b... Trouble codes: 43 (multiple misfire).		 View
1991 Dodge Stealth 3.0L Hesitation, Surge, Misfire
Hey group. This car stumbles, surges at 1500 rpms and looses power at wot. but the scan data is all over the place. we tried 3 different mt2500 scanners. (o2, tps, ect iat, baro, and bat. voltage) so I checked powers and grounds with the vantage at the ecm whi...		 View
1999 Dodge Intrepid 2.7L timing chain
Car came in last year and we did head gaskets on it and offered the owner a new dchain for another $700.00 which he refused. Now it is here and the right inner guid shattered and it kumped time slightly. I replaced the chain assy with aftermarket parts but use...		 View
2000 Dodge Durango 4.7L Poor Idle Quality
Car came in for hi idle in the morning only.No other complaints. scaned for codes none found.scaned coolant sensor. reads correct. idle goes to 2000 for only a minute or two then to 600 rpm.other wise runs good. looked for tsb`s on idle circuit problems. none ... Trouble codes: none.		 View
2000 Dodge Neon 2.0L No Start, Back fires
Car was towed in. No start.. Have checked the fuel pressure and spark.. Ok.. Checked for plugged exhaust.Nothing.. Found the #2 and #4 injectors are working #1 and #3 not.. But on intial start up all four injectors recieve signal. Changed ECU and the trouble w...		 View
2000 Dodge Caravan 3.0L trans will only have second gear and reverse
Would appreciate input from tech that has seen this problem before		 View
2001 Dodge Durango 4.7L No Start
im trying to help another shop with this truck,they just installed a new ac evap in it they reassemble all of it and the truck does not start.the odometer says no buss and no communication with ecm.i have done several ecm for this kind of problems but they say...		 View
2001 Dodge Pickup 5.9L No Start, Stall
this truck is dodge ram 2500 diesel cummins 24 valve turbo diesel 4x4 has come from the other shopo and the problem is that this truck doesn' start and once in a while it starts and as soon as u put into reverse it dies and the next time u try to start it won'... Trouble codes: p0216 (inj pump timing failure), p1693 (p1687-), p1687 (testing and results).		 View
2002 Dodge Durango 4.7L charging
The truck came in not charging. We checked for power to the battery terminal at the Alt and at the field wire, both good. Next we grounded the other field wire and the Alt started charging over 100 amps. Checked continuity all the way to the PCM, then grounded...		 View
2007 Dodge Pickup 5.7L No Start
vehicle has an intermittent no start condition, will turn over for 15-30 seconds, and not start. this lasts for approximately 15 to 20 minutes, then will start like nothing was ever wrong. no fault codes stored in the system, actove or stored, communication wi...		 View
1970 Ford F-600 390CID front end wiring
Hey guys this is a special request, I'm looking for any literature on this truck.It use to be a U-haul truck that has been converted into a dump truck,customer brought it in and asked us to get it ready for inspection what a nightmare. Anyway none of the headl...		 View
1985 Ford Bronco 5.8L Stall, Misfire
thank you iatn members you are great people to ask for help. ok we have this bronco that came to us with an existing condition that we have never seen before this customer has had multiple ignition module replacement for a condition that occurs after driving t...		 View
1991 Ford Pickup 7.5L Poor Idle Quality
When this vehicle came in it was running very rough at idle and the customer said he wanted the engine rebuilt since it was "tired." We are a full service machine shop and repair facility so everything has been done "in house." I put the rebuilt engine in and ...		 View
1992 Ford Explorer 4.0L engine
vehicle came in with overheating condition while in traffic with a/c on fan clutch is good coolant was full customer came in wanted us to just replace thermostat and flush the system after work was done still overheated took upper rad hose off and toke garden ...		 View
1995 Ford Aspire 1.3L Poor Idle Quality
I have a 95 Aspire with 1.3 that dies at idle. I cleaned the throttle body and replaced the Bosch Platinums with Autolite. It will intermittently miss at idle and some times kill the engine. Wires are new and I sprayed everything down with water and no change....		 View
1995 Ford Windstar 3.8L Misfire
This van was brought in on the hook, because it stalled. Looked it over and found a hole in the oil pan. Pulled the pan and it threw #2 connection rod. Customer gave us the go ahead for a new engine. We put a remanufactured engine in and it started. But there ... Trouble codes: p0340 (Camshaft position sensor circuit failure).		 View
1996 Ford Mustang 4.6L Poor Idle Quality, Misfire
Keeps setting a P0305,engine misfires when cold.When it warms up it runs and drives good and you don't feel the miss.It has new plugs,wires and coils have been swapped side to side with no difference.It doesn't seem to be spark related,has good spark to that c... Trouble codes: P0305 (Cyl 5 misfire).		 View
1999 Ford Mustang 4.6L Monitors say N/A
A friend had me check his sons Mustang today because it failed inspection. I hooked up the scanner and selected the generic mode to look at the monitors. I half expected to see about 3 or 4 to say "not ready", but no. The Fuel system said ready & the component...		 View
2000 Ford Taurus 3.0L MIL Lamp on
code p1237 found in system any experience with this code for flex-fuel vehicles?		 View
2001 Ford Expedition 5.4L engine
This Expedition 5.4 Engine makes a squeeling noise/ rattle when starting cold, once running for less than a minute noise goes away, we have replaced timing chain guides, tensioners, chains, we have checked for clogged orifice passages, none found, noise is on ...		 View
1997 GMC Pickup 6.5L No Start
Don't know much about diesels. Customer drove vehicle on a 1600 mile trip with no problems. Two days home and it stopped as if the key was turned off.We have no fuel coming out of the injection pump. The PDM is aftermarket from SSDiesel. It was sent back to th...		 View
2000 GMC Yukon XL 6.0L Misfire, MIL Lamp on
Hey all - need a little advice on this one. This is a 5.7 with the spider injector setup. Customer came in about 3 weeks ago with mil on and a p300b code - misfire. He hadn't had a tune up in quite some time so on his suggestion we did so - cleared the code - ... Trouble codes: p0300b (misfire).		 View
2003 Honda Odyssey 3.5L timing belt
I have already fixed this car, and this was the first time I did a timing belt on this model, but I was wondering if there was a faster way to replace the timing belt on this minivan. Here the what I am wondering. Following the direction as stated in Mitchell,...		 View
2000 Jaguar XKR 4.0L Right Rear 1/4 window
Hello Group, The right rear quarter window will not move on this convertible. The noises that it makes sounds like a typical window regulator which I have ordered and have here. I have not done any disassembly on the vehicle yet because I thought it would be ...		 View
1993 Jeep Cherokee 4.0L No Start
i have a no spark and no fuel injector pulse condition. i am getting the +12v to ignition coil and injectors while cranking(which indicates the auto-shut down relay is working, no blown fuses), but i am not getting the ground reference for them to fire. the cr...		 View
2002 Jeep Grand Cherokee 4.7L Surge
This jeep came in with a complaint of surging when start up.Noticed on start up that the RPM will go up to 1600RPM then down to a 1000RPM then back up to 1200RPM then to the normal curb idle.Checked system for codes, none found. Checked for a vac. leak nothing...		 View
2004 Land Rover Range Rover 4.4L radio
This nightmare has inoperative FM radio, making the aftermarket XM satellite radio inop. I recently removed the glove box to replace the blower motor regulator. after returning car to customer they called back and stated the FM and the XM would not play. AM ra...		 View
1992 Lexus ES 300 3.0L Hesitation, Surge
hello group here we go. i have this 1992 es 300 in my shop and its giving me fits.was brought in to shop approx 2 months ago with the trans inop.we obtained a used unit and replaced it with no problems.customer then brought the vehicle to us about a week ago ...		 View
1995 Lexus LS 400 4.0L CD player
Hi people. I have a lexus LS400 that when you put the cd cartridge in, it says ERROR 16 on the display. Does anyone know what this code is?? Many thanks. Brian		 View
2001 Lincoln LS 3.9L coolant
Customer complained of overheating, towed vehicle in. Found evidence of leaking, all injector seats had standing coolant, bleeder on top center of engine leaks, however no sign of coolant blowing out onto decorative engine cover. Pressure test, no signs of ovb...		 View
1999 Mazda Protege 1.6L no mil light
I replace pcm with a mazda reman. and the same thing happens. 02 sensor look like they mimick eachother and have a new cat. Why is a code set but not turning on check engine light and why is no pending codes not setting the code this is really baffling me. ple... Trouble codes: p0420 (cat efficiency code).		 View
2000 Mazda B4000 4.0L MIL Lamp on
This vehicle failed emmissions with a couple of system lean codes P0172 and P0174. Looks like a poss vacuum leak or MAF sensor from the data base. Not seeing any vacumm leaks and when I disconnected the MAF sensor the vehicle still runs. That was strange. Any ... Trouble codes: P0171 (System Lean Bank 1), P0174 (SYstem Lean Bank 2).		 View
2000 Mazda Protege 1.6L Battery Light
When the engine is started charging voltage swings wildly for about 30 seconds and alternator whines. After that, charging voltage stabilizes at 14.06 V, but battery light stays on. A code P1632 had been set. I have a good battery voltage at the PCM monitor pi...		 View
1986 Mercedes-Benz 300E 3.0L a/c vents
Good morning everyone I have an 86 m/b 300e that came in for no air from the center ducts. It comes out good through the outer ducts and the defrost. I suspected a vacuum leak so I checked the source at the intake and the various vacuum hoses under the hood an...		 View
2000 Mercedes-Benz ML320 3.2L Hesitation, WONT TAKE THE GAS
Why did I take a Benz in for service !!! Here goes... This vehicle is starving for fuel, worse on cold start yet idles good. Upon accel falls on its face... sometimes if gas pedal is slowly pushed rpm's will come up to the rev limiter and run good. Fuel presur...		 View
2003 Mercedes-Benz C230 1.8L Coolant Warning
We have a C230 that will start normally and show "no malfunction" on the driver's information panel. After about 30-45 secs a "coolant- visit workshop" warning comes on. The coolant level sensor has been replaced, the coolant has been flushed, the coolant temp...		 View
2001 Mitsubishi Diamante 3.5L compressor
This vehicle came in with a complaint of AC compressor operated 5-7 seconds then quits Basically with the limited information that Alldata provides on this vehicle it appears that the system is sensing a belt lock up of the system. The compressor as far as I c...		 View
2001 Oldsmobile Alero 3.4L security system
Security code b2960 becomes active about once a month. Car has very low miles and is well maintained.We have aleady replaced the ignition key cylinder, key, and switch 2x. We also replaced the bcm due to water damage and corosion. car is fine for a few months ...		 View
2002 Pontiac Grand Am 3.4L MIL Lamp on
Customer came from my transmission guy. Customer complained that the vehicle would bang into gear going from park to drive or reverse. He pulled the "IAT code" and sent the customer to me. I confirmed the code and also felt the banging into gear. I changed the... Trouble codes: PO113 (Intake Air Temperture Circuit signal high).		 View
2004 Pontiac Grand Prix 3.8L Heater operation
heater blower motor works at random. will stop working when driving and not start again for atleast a few days or a week. at times would come back on just by driving over a bump, other times could go off-roading and would not come back on. everytime in shop wo...		 View
2003 Subaru Outback 2.5L Hesitation, MIL Lamp on
we have had this car in couple times to check a hesitation at take off. i did find bad plug wires the last time and a code for the iac. the customer already put new plugs in so i replaced wires then tested iac. i double checked system for any vacume leaks or r... Trouble codes: PO519 (idle air cont perf).		 View
1993 Toyota Corolla 1.8L Right front brake
Right front brake applies itself while driving on highway. It eventually locks up and overheats the right front brake. You can tell when it going to happen, because vehicle starts to slow down and pull to the right. If you let vehicle sit for about an hour it ...		 View
2004 Toyota Tacoma 2.4L No Start
replaced ecm,cam sensor,fuel pump,ckp and coolant temp sensor check good.injector resistance good.wiring to ecm checks good. no injector pulse and no communication with scan tool.has power at injectors but no ground signal. all grounds and fuses show good.all ...		 View
1999 Volkswagen New Beetle 1.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on
Hello Everyone. I have a 99 New beetle that likes to die intermittently. This problem happens with no warning or symptons. The customer is a little old lady,and she drives this car like one. She can get it to malfunction at every stop sign. When I drive it try... Trouble codes: P1127 (Boost pressure control exceeded).		 View
2000 Volkswagen New Beetle 2.0L MIL Lamp on
Carried out tests according to trouble tree, and come up blank. Cleared MIL, after 3 days MIL back on, same code. Vehicle has been to agents on numerous occasions apparently for same problem. I have noticed in past posts that MAF failure seems to be a common p... Trouble codes: 16556 (P0172 System too rich).		 View
1998 Volvo S70 2.4L engaged all the time
looking for volve tech's that may have seen this concern.starter will not stop running unless i remove the relay.also the headlamps and heated seats and def switch and the blinkers all work with the key out of the ign.unless i pull the 60 amp fuse that goes to...		 View
2002 Volvo V70 2.4L accessories
We have purchased a new CEM and have been unable to load it with VIDA. VIDA cannot communicate with the vehicle with new CEM in place even after entering VIN in manually it will not recognize the new CEM to this vehicle. If you command VIDA to read the vehicle...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura MDX 3.5L DTC1470 4th clutch pressure switch failure
Codes Po700 and Po740. Checked line pressure 125psi cold 80psi warm and 65psi operating temp. Spec is 130 to 139. Magnet on drain plug has what appears to be clutch material turned sludgy. Fluid cond marginal. Browning prematurley considering he has performed...		 7
2003 BMW 325Ci 2.5L Compressor
I want to thank everybody for their help. I feel kind of dumb. As it turns out the ground wire on the compressor was loose. I could not see it until I removed the compressor. I was ready to purchase the BMW support for my Auto Enginuity if I needed to. For s...		 9
1995 Cadillac DeVille 4.9L compressor
THANK YOU ALL FOR YOUR HELP I DID NOT TELL YOU THAT THE REASON I CHANGED ALL THE COMPRESSOR AND THE DRYER ALONG WITH THE ORFICE TUBE WAS THE COMPRESSOR HAD A BAD BEARING IT ACTUALLY WAS A FINE OPERATING SYSTEM ASIDE FROM THE NOISE FROM THE CLUTCH SO THE REPLY...		 5
1997 Cadillac DeVille 4.6L MIL Lamp on, High idle
Well, I had to give up on this one. I had the car in my bay with the high idle condition for over 2 hours, and no matter what I did would lead me to the source of the problem. I checked all powers and grounds at the pcm, iac, and tps and performed a voltage ... Trouble codes: p0122 (TPS voltage low), p1122 (Int low TPS voltage).		 7
1986 Chevrolet Pickup 5.7L Unknown
THANKS FOR THE FOURTEEN REPLIES, WHAT WE FOUND UPON DISASSEMBLY WAS ,THE FLYWHEEL WASN'T BROKEN THIS TIME . SO WE SEND THE TRANSMISSION BACK TO THE SHOP THAT BUILT IT AND ON DISASSEMBLY THERE, THEY FOUND THE REAR DRUM AND BAND SELF DESTRUCTING. SO THE COMPLETE...		 14
1989 Chevrolet S10 Blazer 4.3L Stall
Sorry it has taken so long to get back with the fix on the 89 ] S-10 Blazer. After putting a new flywheel and starter in it ] due to both crapping out while diagnosing, I still had the ] same problem. Engine would run fine in limp mode but not any ] other way....		 3
1994 Chevrolet Pickup 5.7L compressor
FIRST THANK YOU FOR ALL YOU OUT THERE REPLACED ORIFIC TUBE FIXED THE PROBLEM .		 29
1995 Chevrolet Pickup 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on
So, she's fixed. 13 of the 19 replies we received said the fuel pump was the problem given that the fuel pressure was at 9psi. According to Mitchell On Demand the fuel pressure range for this truck should be between 9 and 13 psi. So we figured it was good b... Trouble codes: 33 (map sensor - cleared and hasnt come back), 44 (lean exhaust).		 19
2000 Chevrolet Tahoe 5.3L 2nd gear slip
The customer took it to GM and they said trans was shot. I orderd rebuilt trans and of course that took care of it . Thanks for all the good info.		 7
2001 Chevrolet Camaro 5.7L pings
I would like to thank everyone that responded to my help request, and while not trying to sound rude does anybody read the whole help request before replying.The only thing i didn't put in my original post was that the cust was using 91 ocatane fuel, but just ...		 14
2001 Chevrolet Impala 3.8L a/c compressor
thanks to all that replied, well this one was a pain but we fixed it. we did all cks that were offered,we did use all oem parts from the start,used tech 2 and cked all fan operations and relays,did amp.and voltage ck to clutch coils,cked all grounds.during all...		 13
2004 Chevrolet TrailBlazer 5.3L high beams
REPLACE AND FLASH NEW BCM TWO DAYS LATER ALL OK THANKS FOR THOSE THAT HELPED 		4
1993 Chrysler New Yorker 3.3L compressor
Thanks to everyone who sent help. I ended up putting a new evap. in it and took care of it. must have been plugged with oil. thanks again.		 15
2000 Chrysler Intrepid 2.7L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on
Finally took the ECM to the dealer and had it updated, the customer had taken the vehicle to another shop and they had replaced the orignal ECM with one from the wrecker. If only he would have told me this when he brought the vehicle in. BUT NO.		 4
1998 Dodge Avenger 2.0L Stall
GERALD FROM FLORIDA HIT IT ON THE HEAD. REPLACED OUTPUT SPEED SENSOR AND FIXED PROBLEM. THANKS SO MUCH FOR THE HELP. GREG		 8
1989 Ford Bronco II 2.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
Ok this vehicle is finally fixed. There was one thing that confused the problem here. Besides from disconnecting the spout also when u disconnected the alternator the vehicle ran fine. Tested the alternator and found bad diodes. Replaced alternator so that...		 10
1994 Ford Taurus 3.8L code 628, leak
Most all replies involved the torque converter seal. The pan was not leaking, I used the high-density paper gasket that works really well. I dried the pan off, corrected the fluid level & put dye in the oil. I let it sit & run for 20 minutes, then drove it abo...		 9
1998 Ford Expedition 5.4L front end
Well gang, this one's closed for now. Sorry to take so long in replying and it's still not fixed. There were four main camps on solutions: 1. tires, 2. wheels/lugnuts, 3. suspension, 4. u-bolts/drive line. No Ford techs chimed in on the TSBs, so not sure if th...		 14
1999 Ford Pickup 5.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
decided to take a compression test and number two and four were low on compression (the two misfires) have not yet gotten into it any futher since i'm waiting for the customer to respond back with a go ahead or a no go ahead. it probably will be a bad valve o... Trouble codes: P1401 (dpfegr code), P0302 (2 misfire), P0304 (4 misfire).		 8
2001 Ford Escape 3.0L No Start
Hi Everyone, Thanks to Larry LaDoux, Ken [...] and Mike [...]. Each basicly said to check crank sensor and cam sensor which I did. I guess what I shoul've asked was if there was supposed to be rpm on the modis while cranking as I had none but wasn't absoul...		 3
2001 Ford Focus 2.0L No Start
After blowing my third pcm each time with no warnings or anything to give any indication that a problem was about to occur I decided it was time to send to a ford dealership. The ford dealer had vehicle for almost two weeks & siad they found a wire pinched at ...		 4
2002 GMC Envoy 4.2L MIL Lamp on, Power Loss
Thank you to all the replies. I receieved 6 responses and among those were 2 indicating a possible fan clutch issue. I could not find the bulletin that outlines this issue on either Alldata or Mitchell. I did however, get it faxed to me from ACdelco tech su... Trouble codes: p1221 (TP sensor 1 a TP sensor 2 difference).		 6
2005 GMC Canyon 2.8L false activation
HI Vehicle is a work vehicle and I have been unable to resolve concern.Most of the replies said that it was a possible intermittent wire connection and i am leaning that way. Found a Tsb Feb 2007 for difficult sensor concerns.It suggested disconnecting EBCM an...		 5
1995 Honda Passport 3.2L Valve Lifters
Thanks for your consideration and advice, unfortunately we are running scared from this vehical and are not going to work on it further. Thanks again.		 10
2003 Honda Accord 3.0L tcs
Dealer scan and reset only - No parts - 15 minutes labour. thanks to everyone. 		3
2001 Hyundai Accent 1.5L MIL Lamp on
Thanks for the help. the maf sensor was bad. the current data for the sensor was normal? replaced the sensor anyway and it fixed the problem. Trouble codes: P1123 (fuel sys rich idle).		 9
2002 Hyundai Accent 1.6L MIL Lamp on
customer picked car up and were bring back the next day. haven't seen them since so I will close with no fix.thanks to the 4 who took time to reply.seems that the dmtl is not very reliable and that there is no good testing info available.if car does return i w... Trouble codes: p1401 (dtml malfunction).		 4
1992 Jaguar XJ6 4.0L Electronic
The jag is fixed Thanks for all the help. Yes it was the darlington transistor. I took the blower motor out and replaced the transistor and everything went to working fine. There is still a door problem but a no go from owner. A big thanks to Donald Blanchard ...		 3
1993 Jaguar XJ6 4.0L battery
We found the left front seat lumbar inflater switch jamed and holding the switch in the "on" position.		 7
1994 Jaguar XJ6 4.0L No Start
The problem was water in the fuel. I had checked or replaced everything on the ignition side and I checked all the specs, grounds and voltages for the fuel system right at the ECM connectors and found nothing out of line. With nothing else to check I figured i...		 10
1999 Lexus RX 300 3.0L ant. mast
THANKS TO ALL WHO REPLIED.Pulled the motor out and sure enough there was 3 diff. pieces in it. Cleaned it out works great.		 12
1999 Mazda Protege 1.8L Hesitation, Cuts out, Misfire
I went back and rechecked everything. Also I found that the missing coil signal from PCM can show up on both cyl.s on this coil at random. This helped conferm to me that this is not a input fault. The price and the logistics of the PCM and the other needed wo...		 6
2001 Mazda Millenia 2.5L MIL Lamp on
Thanks to all for the responses-the fix was to clean the egr passages again. I belive we had loose carbon in the passages like a chevy 4.3 v-6. Once again- iatn comes through! Greg and crew Trouble codes: p0400 (egr flow malfuntion).		 4
1988 Mercedes-Benz 560SEL 5.6L Poor Idle Quality, Stall
well checked all the basics,..all good,..replaced crank sensor,..and checked all the other items as suggested,...car ran great for like 3 weeks and started all over again,..so the customer has the car and we will continue to try and diagnose the problem,...but...		 6
1988 Mercedes-Benz 560SL 5.6L Cuts out, Stall
Signal from throttle position sensor was normal, but on suggestion, plugged in new sensor and car did not die for 2 days, running about 2 hours each time. Properly installed sensor 8/30, and car ran all day yesterday and no problems in 2 hrs this morning, so ...		 10
1994 Mercury Villager 3.0L 1-2 shift
Thanks for the quick replies. What had been previously supplied to us as the TCM wasn't. Our schematics had pointed to modules in the center console area but the TCM is on top of the PCM. I believe the high heat accelerated the problems with the PC in the TCM....		 3
2000 Mitsubishi Galant 2.4L Poor Idle Quality, Stall, No spark coil one
We found it!!, Being the great technician that I am, I was testing the signal to the coil from the ECU at the plug in side of the connector. When I finally checked it on the back of the connector (at the wire) we had continuity, we replaced the connector and n...		 4
1998 Pontiac Grand Prix 3.8L abs module
I APOLOGIZE FOR NOT CLOSING SOONER ,I DID REPLACE THE ABS MODULE AND ALL THE PROBLEMS WERE GONE.WE DID CHECK TO SEE IF ALL POWERS AND GROUDS WERE GOOD LEAVING THE ABS MODULE THE CULPRIT.		 3
1999 Pontiac Grand Prix 3.8L climate control
thanks to everyone most of you guys were right it was just low on refrigerant its ice cold now i just never seen one that seemed full and the cpompressor would stay in but was low but its fixed now and a mighty thanks to all whoh could help		 10
1983 Porsche 944 2.5L diff noise
This 944 is not fix yet,I found the noise come from the torque tube,will replace the torque tube and also will check out the clutch system.Thank you for all replies,will post the fix latter.		 9
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next