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2001 Audi A6 Quattro 4.2L MIL Lamp on
vehicle came in for failed emissions test. we retrieved multiple codes & pursued mass air flow code. (3months ago) now pending codes are 119-203-111a. we cant decifer these. we are using a bosch lap top scanner Trouble codes: 119 (203 -), 203 (011a -), 011a.		 View
2001 BMW 330Ci 3.0L No Start
Hello. I got this bmw being towed in for a no start. I went to customers house and looked it over for a while and think i have found the problem but want to be sure. The customer said they were driving yesterday and the SRS light came on, the vehicle has NOT b...		 View
2003 BMW 540i 4.4L courtesy lights
The ZKE3 module(general body module) has a code 180. does anyone know what this is? everything works except the courtesy lights. I have checked all powers and grounds to this module(all OK).I can disconnect terminals from module and apply 12 volts at terminal ...		 View
2003 BMW 325i 2.5L stuck in drive
complete soft overhaul w/new pump asbly/reman converter by 35yr veteran trans builder now stuck in fail mode w/high line engage fwd & reverse never seen this p1895 code refernc for axle disengagment solenoid circuit low clearing codes comes back immed again p1...		 View
1993 Cadillac DeVille 4.9L Electronic climate control display
I disconnected and removed the battery to replace the a/c condenser. When I reconnected the battery and now the climate control panel and the fuel data center just display a C in the display area. I can't check for code bacause you use the displays to check th...		 View
2002 Cadillac Escalade 6.0L rpa system
good morning,i was wondering if there was anybody out there that has worked with this rear park assist system,and if so mite have some pointers on what it mite be or just any help at all. thanks to all.		 View
2003 Cadillac DeVille 4.6L Poor Idle Quality, Stall, Misfire
G.M. Techs your knowledge is needed.I have lost my --- on this one. Did have a bad vaccum leak,quick bucks, yea right 5 days later,1-3-5-7 missing randomly,compression chk. all above 140. Found T.S.B. on reprogram called dealer been done, hoping to pawn it on ... Trouble codes: p0171b (p0174b-), p0174b (p0300b-), p0300b (p0506b-), p0506b (p0507b-), p0507b (testing and results).		 View
1979 Chevrolet Corvette 5.7L heater/turn
I am looking for wire diagrams for the heater blower motor circut,turn signal, and power window circut. This Corvette has been sitting for years does not look like any tampering has been done to it and the owner has no idea how long they have not worked. Low m...		 View
1988 Chevrolet C1500 5.7L throttle sticks
Gentlemen I have this pickup that has a sticking throttle on tip in. Having many of these over the years I figured this was a simple clean or worn shaft. As it turns out with the engine off there is no hint of a problem. Only with the engine running do you ge...		 View
1990 Chevrolet K1500 5.7L Axle shaft
This is my personal vehicle. Was leaving work yesterday and turned out and hear a lound skipping clunking type noise like and really bad axle shaft. Noise would come back after turning corners. Noise would be heard for a couple of seconds than the skip would s...		 View
1995 Chevrolet K1500 5.7L parking lights
hi guy my abs ses and seat belt light are on and the fuelpump relay runs the 3sec prime with the ignition key removed if i pull the parking light fuse it all goes out i can drive the truck with no problems but have no parking or dash lights if i put the parkin...		 View
1996 Chevrolet Cavalier 2.2L want come on
can turn fan on with scanner, and seeing that cts is out of range by 5 degrees, can also turn fan on at relay and testing there right now, it want come on at 210 degrees.Where looking to see if computer will ground relay, if it want?		 View
1998 Chevrolet S10 4.3L Cuts out
Hello I need some gm help. This is my sons truck and we have tried to get a lot of "known problems taken care of before he left for school 200 miles away. The truck shut off once 3 months ago after a 100 degree 1 hour trafic jam. Whent to pick up and it starte...		 View
1999 Chevrolet S10 4.3L No Start
Vehicle runs great with new parts and runs great all the way up until it stops running. Every time we find hole burnt in rotor. We r&r distributer and checked gear wear and none found. Vehicle has only 66000 miles on it. We used premuium Echlin ignition parts ...		 View
2001 Chevrolet Silverado 1500 5.3L No power under load
Owner states that truck ran great after high school shop cleaned fuel rails and replaced fuel pump but has returned to old ways. Truck idles great and no service engine lamp on. Truck will move out good from a stop but at about 35 MPH will top out. Acts like n...		 View
2001 Chevrolet Prizm 1.8L MIL Lamp on
Yet Another problem child. 2001 Chevrolet Prism. replaced catalytic converter 2/07 due to P0420 & after temp test converter was not working. now customer has returned with check engine light on again, and low and behold, code P0420 has returned. temp tested co... Trouble codes: P0420 (Catalyst Effiency below threshold).		 View
2001 Chevrolet Blazer 4.3L Stall
This vehicle shuts off when shifter is put into park intermittantly		 View
2002 Chevrolet Cavalier 2.2L MIL Lamp on
This has me baffled. Vehicle came in with CEL on and a P0442 code. Checked it out with tech 2 and it was leaking down with the system sealed. I smoke tested the system and found I had a small amount of flow, but no smoke coming from anywhere. The decision was ... Trouble codes: P0442 (evap small leak).		 View
2002 Chevrolet Express 3500 5.7L hard start
The van runs great just hard to start after 5-10 minutes afterwards. Takes about 20-30 seconds of cranking to start. After running it starts right back up. Fuel pressure is in specs. Don't see much fuel pressure drop for injectors leaking. ST Fuel Trim average...		 View
2003 Chevrolet Tracker 2.0L No Start
Customer states that after a hot soak vehicle will not start back up.Since the vehicle has come in to the shop cannot duplicate the problem.Have test drove the vehicle shut it off then immediatly restarted vehicle no problem.Let vehicle sit for five minutes no...		 View
2004 Chevrolet Silverado 1500 5.3L MIL Lamp on
this truck keeps setting these knock sensor codes. We have replaced both sensors and the pigtail connector both sensors ohm out right at 99.0 pin tested computer and no resis. in wiring harness has any one seen this before Trouble codes: 327 (knock sensor), 332 (knock sensor).		 View
2004 Chevrolet Colorado 2.8L blower motor
this colorado blower motor works only part time. when it does not work it doesn't work on any speed what so ever. have checked the grounds and all seem to be okay. have replaced the blower switch which comes as a complete module and have traced the wires out a...		 View
2005 Chevrolet Impala 3.8L Misfire
hi everybody i have this impalla back for the third time cracking the porcilin on cyl number 1 plug. the crack is half the length of porcelin and doesnt run from the top or the bottom. by this i mean its coming from the center of the plug outward. i see this o...		 View
1996 Dodge Dakota 3.9L too high at times
Here's another weird one that I can't seem to get to the bottom of. For what ever reason, the idle takes off seemingly all by itself, in park or neutral only, warm or cold. It can reach 1200-1600, and then after several minutes (no regularity), it will return ...		 View
1998 Dodge Ram 1500 Truck 5.2L No Start, Stall
this 1998 dodge pick up cames to me with the problem of when it comes up to temp and you turn it off it will not restart for up to 24 hours sometimes. it turns over good have good spark to all plugs good voltage to injectors and good pulse on negative side of ...		 View
2002 Dodge Intrepid 3.5L MIL Lamp on, P0441
My sons car will very intermittenly have the check engine light on with a p0441 code . Improper purge detected . I have tested purge valve operation and it always is working when I test it. If you go through the flow chart, It says it could be the Purge Sole... Trouble codes: P0441 (Improper purge detected).		 View
2003 Dodge Neon 2.0L Mechanical
This Neon came in with a transmission leak,it will leak fluid out of the top of the dipstick tube after driving when you put the car in park and shut it off,I have searched for tsb's and checked archives, can't find any thing that will tell me what is going on...		 View
1995 Ford F-250 7.3L Steering
Hello fellow techs, this is the boss man's truck and its puzzling us. Turning left or right we have a horrible growl only sometimes. The front tires start bouncing and it feels horrible when this happens. We have replaced tie rods, draglink, pump and have alig...		 View
1999 Ford Ranger 3.0L transfer case
I have NO 4 Low by using the dash switch (YES I am putting the truck in neutral and brake on and NOT moving ) however have 2WD and 4WD HIGH and can switch between those two only using the dash switch. There are no codes in the GEM module I can "motor" the sh...		 View
2000 Ford Ranger 4.0L Misfire
at first seemed to change moving harness (engine) took apart harness from coil to pcm load tested primary wires pcm to coil (good) has one new injector #3 new intake orings also changed pig tail on coil test dive feels like secondary ign. Trouble codes: 303 (no 3 misfire), 304 (no 4 misfire).		 View
2000 Ford E-250 Econoline 5.4L Misfire
Thank you in advance for reading this. We have a 2000 E250 that misses on cylinder 3 all the time. Should be easy enough, not quite. First I swapped in a new coil, no change. Then I swapped cylinder 3 and 4 coils, and plugs, no change. Checked for vacuum leaks... Trouble codes: P0303 (Cylindrer 3 misfire).		 View
2000 Ford E-250 Econoline 4.2L fuse # 10 20amp
ok guys need a little help,the van has a blown fuse for the parking lights and dash lights. i did find a pool of water in right front parking light lens. removed the water and replaced the lens, light, and socket. took van on a test drive and fuse blew after 5...		 View
2002 Ford E-350 Econoline 5.4L spark plug
Hey techs, We have had this truck in the shop about 1 year ago, b/c it had a misfire on # 4 cylinder what we found is that the spark plug was somehow blown right out of the cyliner and in pieces and we put new plugs in it and one new coil and bracket on that c...		 View
2002 Ford Explorer 4.0L Stall
This truck will stall when comming to a stop and when trying to park. I have replaced plugs and wires. Fuel pressure is 65 psi. I did have a code for IAC malifuction {P1504} . Have replaced ICA and cleaned throttle plates and MAF sensor with no difference. The...		 View
2006 Ford F-150 5.4L noise
hey guys quick help request, high mileage f150 develops a knock / tap noise in the driver side valve cover front area when warm. r&r cover shows nothing odd. anyone had any experience on these 3 v motors?		 View
2006 Ford F-150 5.4L Drive-axles
This customer says he hears a noise like the 4WD engaging, and if he shifts into 4h, the sound will go away. Looking through the fixes, the other trucks had this issue at low speeds where this truck has the issue at higher speed. We replaced a front hub earl...		 View
2003 GMC Sonoma 4.3L Hesitation
Driving at 20mph then accelerating like to pass the rpm goes to bottom out at 6000 rpm until you let off of it(shows on the dail). On the scanner it showed 10,000rpm.Its like its not shifting up but showing this.It dos'nt happen all the time.(The tires are not...		 View
1995 Honda Accord 2.2L hydraulic system
I have spongy and low pedal. Pedal felt okay when car came in. Neither pressure bleeding or manual bleeding seem to help this brake pedal. I don't see any leaks at lines that were replaced. ABS system has also been bled as reservoir was allowed to leak down. I...		 View
1996 Honda Civic 1.6L ride control
The car in for rear suspension to be replaced.We replace with a used suspension for an 2000 Acura Intregra,after which we balance all four tires and an complete alignment three times in total after which the car pulls to the left once you accelerate,just cant ...		 View
2002 Honda CR-V 2.4L MIL Lamp on
We checked wiring to air flow sensor,appears ok.but alldatas diagnostics are not very good.we replaced front a/f sensor and light will come back on after a day or two. Trouble codes: P1163 (af sensor slow response), P1164 (pending codeAF SENSOR CIRCUIT RANGEPERFORMANCE PROBLEM).		 View
2008 Honda Accord 2.4L Recalls
I'm looking for information regarding Dealer recalls for this car that I'm looking to purchase for my wife. My Alldata shows only one recall, Campaign #07-057 "PCM Software Update for Low Power on Accel". If any of you Honda techs know of any other recalls, I'...		 View
1999 Hyundai Sonata 2.5L No Start, Cuts out, Stall, MIL Lamp on
Customer complained that the car just started dying and not restarting. We road tested on and off for a day and a half and finally it started acting up. It will die and not restart right away, when it does start, it runs rough. The check engine light is coming... Trouble codes: P1372 (Segment Time Incorrect), P0335 (Crankshaft sensor).		 View
2002 Infiniti I35 3.5L MIL Lamp on
greetings to all this car has two codes one for the evap and the other for an 02 sensor.i smoked the evap system twice and i do not see any leaks,how ever my smoke machine can seal of the evap system to see if it will hold pressure but when i do that the gauge... Trouble codes: P01147, P014556.		 View
2001 Isuzu ftr 7.2L low power
does anyone know who ream inj to get more fuel. this motor can not be turned up. comp at 400 psi on all cyl. suspect needs inj but i was told you can have inj reamed to get more fuel. will also be replacing turbo due to exh going into intake.		 View
1997 Jeep Grand Cherokee 4.0L No Start, Cuts out, Stall, MIL Lamp on
i'm really just looking for confirmation and wonder if this is a common problem among jeeps. i don't do too many jeeps. mil was and is not on, bulb ck ok, but crank sensor and coil primary fault codes were present. suspecting ckp fault i scoped sensor signal ... Trouble codes: p0320 (no crk signal at pcm), p0351 (coil primary ckt).		 View
1998 Land Rover Discovery 4.0L brake pedal
Hello all you land rover techs. I have a discovery here and, I really don't work on a lot of these. It has a clunk in the brake pedal. You can hear it and feel it but, I can't consistantly reproduce it. Seems to happen when you are crusing and step on the brak...		 View
1994 Lexus LS400 4.0L battery
hay guys ihave this lexus thats kicking my @$$! it has a battery draw of 302ma i have started unplugging everything with no change! the list would be to long to explain what i all unpluged. i did notice that when i pulled the 120amp alt fuse draw droped to 81 ...		 View
1998 Lexus GS300 3.0L Hesitation, MIL Lamp on, in limp home mode
Pulled codes P1120 - Accelerator pedal position(APP) sesnor circuit malfunction and Code P1121 - Accelerator pedal positon sensor range/performace problem Checked Acceleration pedal position(APP) sensor, sensor checked out good. No glitch with scope, volatage... Trouble codes: P1120 (Accelerator pedal position sesnor circuit malfunction), p1121 (Accelerator pedal positon sensor rangeperformace problem).		 View
2000 Lincoln Navigator 5.4L Poor Idle Quality, MIL Lamp on
THIS TRUCK KEEPS SETTING CODE p0174 p0171. MASS AIR FLOW SENSOR HAS BEEN REPLACED WITH KNOW GOOD ONE. YOU CAN DRIVE THIS TRUCK ON THE HIGHWAY FOR 2 HOURS AND NOT SET THIS CODE. DRIVE IT AROUND TOWN AND IT SETS 174 171 LEAN BANK 1 AND 2. THE INTAKE MANIFOLD WAS... Trouble codes: p0171 (lean bank 1), p0174 (lean bank 2).		 View
1993 Mercedes-Benz 190E 2.3L Poor Idle Quality, Surge
Ok all you Mercedes fixers out there. This car is driving me crazy. It came in with the plugs black and the injection computer disconnected. Someone replaced the fuel distributor with another one and disconnected the computer so there was no lambda adjustment ...		 View
2002 Mercury Villager (Van) 3.3L Digital Dash
Have tested all.Dash stays on when engine is off.Even remove key stays on.With key out you can cut turning signal on and dash starts to flash on and off. Have checked ign switch,light control module,turning signal switch,and all relays.Can remove relays and da...		 View
1992 Mitsubishi Diamante 3.0L Misfire, MIL Lamp on
Customer had vehicle tuned up they replaced plugs, wires and coil packs. Vehicle was brought in with a misfire # 1-4 coil not firing. I checked trigger from power transister and there wasn't a trigger for coil #1, but #2 and #3 coil had trigger and firing prop... Trouble codes: 44 (ign coil 1 and or power transister failure).		 View
1998 Nissan Pathfinder 3.3L No Start, Hesitation, Cuts out, Stall
Hey folks, Got this problem child here, customer called and said it was running badly, had been steadily getting worse over the past week, and on the way to the shop, it stalled and wouldn't start back up. Fuel pressure is dead on spec, it's getting injector...		 View
2000 Nissan Maxima 3.0L right frt suspension
a clunk is heard over bumps and is also heard slightly over small imperfections in road. it acts like a really bad sway bar link or bad strut mount or strut but they were replaced with no change. i looked around for any loose mounts or subframe mounts that may...		 View
2002 Nissan Sentra 1.8L MIL Lamp on
Hello fellow techs, I have this 2002 nissan sentra gxe that has a reoccurring code P0725, last November it came in with this code i found a campain recall on the ckp and cmp sensors customer took the vehicle to the dealer to have these replaced, almost a year ... Trouble codes: P0725 (engine speed sensor).		 View
1993 Oldsmobile 98 3.8L Radio & climate control displays blank
Good morning. This mint 93 Olds came in with no climate control or radio illumination [display] at all. All dash and warning lights are working as is the instrument cluster illumination. Dash lights can be dimmed up/down but when it first came in the climate c...		 View
1998 Oldsmobile Intrigue 3.8L Hesitation, Surge
I have a 98 olds intruigue with a 3800 engine. I did intake gaskets and replaced some sensors and ignition module. Now the car does not run well at all. It hesitates and surges constantly. This happens only under acceleration. I did the crankshaft relearn proc...		 View
2000 Other European 3200GT 3200CC MIL Lamp on, limp home
I'm dealing hard with this Maserati. Injection system is Marelli 4CM (I think this system was assembled just in the 3200GT) I know this cars are prone to have bad throttle actuators. I had changed in other cars two throttle actuators before because it was bad... Trouble codes: P225 (accelerator pedal travel sensor related), P1225 (accelerator pedal travel sensor related), P1226 (accelerator pedal travel sensor related).		 View
1987 Plymouth Horizon 2.2L Hesitation, Surge, Cuts out, Stall
Car runs in shop just fine if you take it out on road test it will take off just fine until it shifts into higher gear and then will fall flat on its face as though it is starving for fuel. Installed new fuel pump thinking it was weak but made no difference Al...		 View
2000 Plymouth Grand Voyager 3.3L No Start, Cuts out
good morning everyone and thanks in advance for your help! had this voyager towed in with a no start condition. actually it starts and runs for about 2 seconds then i lose spark and pulse to the injectors.i never lost a signal from either cam or crank sensors ...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi TT Quattro 3.2L MIL Lamp on
Thanks to everybody for their help. We have not solved this yet. It is best described as a calculated load problem. We have replaced the MAF twice and code has come back. We just cleaned injectors and decarbonized engine and have not determined yet if this wil... Trouble codes: 17550 (load calculation cross checklower limit exceeded), P0102 (maf or volume airflow a circuit low).		 8
2002 BMW 525i 2.5L wont run
Thanks to everybody who took their valuable time to get me on track with some common sense suggestions.Turns out we had plenty of fuel pressure, did a compression test but I think my tech was more concerned about getting the oil pan off than looking hard at th...		 12
1995 Buick Century 3.1L temp gauge
The problem was resolved by replacing the computer temp sensor with a 3-wire instead of 2 and using the third wire for the temp gauge. The existing temp sensor was located in a hot spot of engine that was picking up cylinder temperature rather than water temp...		 12
2003 Cadillac Seville 4.6L cyl. #4
AFTER REMOVING LEFT SIDE VALVE COVER, FOUND SEVERAL LOOSE HEAD BOLTS AND ONE BROKEN ONE. WE HAVE PUT AN ENGINE IN THIS CAR.		 13
1992 Chevrolet S10 2.5L No Start, Cuts out
This vehicle finally went away. Not the way I would like,but none the less its gone. The post office picked up vehicle and took it to regional postal facility. (government owned)??? 4 hours away on freeway. We'll see what they find. I want to thank all tha...		 9
1993 Chevrolet K1500 5.7L Temperature
This one is fixed, but it's one of those cases where I'm not sure what fixed it. After removing the thermostat 3 times, replacing it once, running it without the thermostat (it never got hot), the last time I assembled it, the problem was gone. The only guess ...		 23
1996 Chevrolet C1500 Suburban 5.7L MIL Lamp on
We ended up replacing the fuel injector assembly on this one to cure it. Even after several cleanings at as much as 100psi we still couldn't get proper fuel control. Trouble codes: p0171 (bank 1 lean).		 9
2001 Chevrolet Malibu 3.4L Hesitation, Cuts out, MIL Lamp on
the problem was that someone had tried to repair some wires in the harnsee and made a mess repaired wires and so far so good Trouble codes: P0102.		 8
2002 Chevrolet Corvette 5.7L LF Wheel Speed Sensor
First I would like to thank everyone who replied. Sometimes it seems like when we are having trouble we end up checking the same things over and over. Your replies always give me insight as how to trounbleshoot the real problem. After checking ALL the wiring,...		 5
2003 Chevrolet Express 2500 5.3L abs
Well most of you guys hit the nail on the head. The vehicle had to be driven to turn off the light. I had driven it after the repair but only around the block. I don't think I got it up to required speed on the first road test. Thanks a lot guys.		 7
2004 Chevrolet Colorado 3.5L wipers
thank you very much for all of your help the customer came and picked up the vechile before i had a chance to fix it. thank you for all the people that sent replies 		5
2005 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on
We put new spark plugs -again- & flush injectors and it ran fine . Its been a week know and all is fine. Thanks all for help. Trouble codes: P0300 (misfire detected), P0455 (evap syst. leak large), P0496 (evap syst. flow during non purge).		 9
2005 Chevrolet Malibu 3.5L cluster, radio, wipers
I could not duplicate the problem and released the car back to the customer. I re-checked the front wiring and grounds and all looked good. I disconnected and reconnected the BCM connectors. I called the customer after 2 weeks, and the problems have not return...		 10
2005 Chrysler 300 (Car) 5.7L Cuts out, Stall, MIL Lamp on
Thanks for the replies , I was unaware that the throttle body needed to be recalibrated - sent to chrysler to recalibrate and works perfectly now . Thanks again IATN members Trouble codes: p2101 (tbi), p2110 (tbi max limit excedded).		 3
2002 Dodge Ram 2500 Truck 5.9L Steering
Hey Guys! Thanks for all the info and help you send us on this vehicle, we've ordered a reman steering gear from dodge, the other gears we ordered from carquest are remanufactured from A1 Cardone. NOt happy with those, we are getting the gear from dodge in tom...		 28
2002 Dodge Stratus 2.7L starting
hello and thanks to all that replied to this message. What we found is that the 5v and the 8 volt bus were down. We found the crank sensor defective after unplugging the 5 volt sensor. And the bus came back up. replace the crank sensor and the # 8 fuse kept bl...		 4
2004 Dodge Stratus 2.4L battry
guys thanks for all your help it was the relay that works the smog pump thank you for all your help im new to this site so many good ideas and solid leeds thankyou 		4
2005 Dodge Magnum 5.7L Noise
hi guys thanks for the responces but by the three that i did get shows that this is indeed a unique problem.i did recheck everything that was posted but all checked ok car has never been hit diched or even towed short of strapping myself under vehicle and goin...		 3
1997 Ford F-250 7.3L No Start, MIL Lamp on
Thanks everyone for your help. Well we checked fuel pressure again and it was too low so we removed the mechanical pump and the shaft was broken / slightly bent. We replaced the pump and the heater element. Double checked the oil in the front sump like many... Trouble codes: p0344.		 9
1997 Ford F-250 7.3L no second gear
Learned about these transmissions with thanks to the reply's from you guys. Lane had the same thoughts i did with the intermediate sprag. Very fine chatter marks on it and would catch and release once and a while. Replaced the Direct drum, sprag and race an...		 7
1997 Ford F-150 4.6L Heater Core, Radiator
Thanks to all of you who have responded. You guys are great. We are getting the truck back in later this week but I did talk to another mechanic who at one point checked the truck and didn't know what the voltage level allowance in the coolant should be. He sa...		 28
2004 Ford Escape 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
THANKS FOR THE HELP. THE REPLIES I GOT WERE FOR CHECK MAF, SWAP COILS, CHECK FUEL PRESSURE REGULATOR AND CHECK TIMING. ALL OF THIS WAS DONE BUT SOME OF IT WASN'T POSTED. WHEN IT COMES TIME TO POST A REQUEST- ITS HARD TO RECALL EVERY THING THAT WAS DONE UP T... Trouble codes: P0303 (cyl 3 miss), P0306 (cyl 6 miss).		 8
2004 Ford Explorer 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on
Hello All, Thanks for the responses. I did recieve some diag info from Josh and Conrad, that's exactly what I was looking for. Although it helped I have to admit I am a little humbled today. I had checked for buildup in the ETC before I posted and for whatev... Trouble codes: P0506 (Idle air control system lower than expected).		 9
2002 GMC Sierra 1500 4.3L Misfire, Poor Fuel Economy, MIL Lamp on
Thank you to everyone that replied. It turned out to be the right side catalytic converter. We removed the crossover pipe and placed it on the floor. We then put a water hose in the right side turned on the water but it barely flowed out the other end and over... Trouble codes: P0101, P0300.		 11
2003 GMC Sierra 1500 5.3L MIL Lamp on
I was able to fix this vehicle by replacing the throttle body unit again. Client has been driving this vehicle for 2 weeks now with no problem. Thanks for the help. Craig Trouble codes: P0220 (Throttle position sensor 2 circuit), P2135 (Throttle position sensor 1-2 correlation).		 5
2006 GMC Sierra 6.6L Poor Fuel Economy
I just got off the phone with a rep from Banks pricing out one of their power systems for the Duramax. I told him of my drastic drop in fuel mileage and he said that it was the new low sulpher fuel. Guess we are going to burn way more fuel to go way less miles...		 5
1992 Honda Accord 2.2L No Start
Finally got this one fixed, Checked Ignition Switch was loose so replaced it with new one, still same problem, checked relay, ok, checked distributor, ok, started tracing wiring from relay to distributor when not much going on in shop, found what appeared to h...		 15
1999 Hyundai Sonata 2.5L MIL Lamp on
Ok Todd thanks for the info about the campaign on MAF sensor wiring harness rerouting plus a ECM reprogramming. Campaign number is 00-01-005. She has opted to take it to the dealer to get it all done since i have no way to do the ECM programming. I will let al... Trouble codes: P0100 (mass air flow).		 9
2004 Hyundai Santa Fe 2.4L evap
hi!sorry it took so long but, i wanted to wait if anything happens.I changed the filter on the canister and two weeks later the customer didn`t call yet,so, I suppose the case is close. Thank`s again to you all!		 3
2000 Infiniti G20 2.0L Poor Idle Quality, Cuts out, Stall
I did some more testing on this one after chatting with iatn chat line. I did an enrichment test with scanner on and looking at fuel trim and o2 readings. The original o2 reading was on the low end of the scale and fuel trim was +25%. While enriching fuel w... Trouble codes: p0325 (Knock Sensor).		 7
1996 Jaguar XJ6 4.0L No Start
After eliminating the camshaft position sensor and the EFI CPU I tested the output and reading on the Crankshaft position sensor and discovered resistance reading from 700 ohms on up to 3500 ohms, which upon replacement fixed the problem. The new sensor read ...		 8
1997 Jeep Grand Cherokee 5.2L Hesitation, Poor Fuel Economy, spar k knock
Thank you all for helping.A lot of good suggestions.The stalling is gone.When the front o2 sensor would drop out,along with wrong spark plugs,system would stall and spark knock and run rough. New spark plugs, along with new o2 sensors installed,vehical is runn... Trouble codes: p0420.		 11
2001 Lincoln LS 3.9L Unknown
WELL I HAD AT LEAST 7 REPLIES-AND 99 % SAID LOOK INTO THE ELECTRONIC HEATER CONTROL VALVE-SURE ENOUGH THE MOTOR THAT RAN THE PASSENGER SIDE CLIMATE CONTROL WOULD STOP WORKING-SURE WAS A PAIN TO GET TO THOUGH-THANX FOR THE HELP-BRIAN 		8
2003 Mercedes-Benz CLK320 3.2L inop
Thank you to all who took the time to reply. The problem turned out to be crossed wiring in the console. Apparently someone had the switch group out and crossed the connectors for ESP and the convertible top. They interchange fine and the wiring is such that t...		 6
1999 Mercury Cougar 2.5L lights/inst. lights
Some vehicles equipped with a V6 engine may exhibit a flickering condition of the headlamp, instrument cluster, radio, and interior lights during engine start-up and may continue during the first several minutes of engine idle. After several minutes, the flick...		 5
2005 Nissan Titan 5.6L suspension
Have hooked up idiot lights to check circuits and customer is currently driving truck. Customer has not returned as of this posting to report information to us. Thank you for the help offered by different individuals.		 6
2003 Toyota Sienna 3.0L driver seat
Well I fixed this one with just a little rigging. One sugestion was www.car-part.com, which did ot have my exact seat, but did have the best selection of seats I was able to find. I also tried www.uneedapart.com which got me zero returns this time. Normally I ...		 3
1998 Volkswagen Beetle 2.0L compressor
beetle is fixed and gone,but will be back for fan motor later. thanks to ya,ll that took time to reply to my trouble. I learned more about a/c theory & function thru the ordeal. worked on a/c thru the years but never had trouble until this one..talked to a cou...		 7
1999 Volkswagen Passat 2.8L Misfire
MEA CULPA - MEA CULPA - AS ALMOST EVERYONE WHOSE SMARTER THAN ME POINTED OUT, THE FAILURE IS INDEED IN THE POWER TRANSISTOR. SINCE THEY ARE BOTH THE SAME ITS EASY TO SWAP EM AND WATCH THE MISFIRE MOVE. NEW TRANSISTOR COMING FROM AUDI ($300- OUCH!) AND WE'LL B... Trouble codes: p0302.		 10
2002 Volkswagen Passat 2.8L T-belt Tensioner
Thanks for all the great replies. As suggested I ran engine W/ covers off to view belt/pulleys and check for runout or anything abnormal etc. Some suggested and I confirmed that if the tensioner is compressed to far the pin on the back of the Ten. roller will...		 13
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