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Prev Professional Automotive Repair Technical Discussions for July 1, 2008
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2004 Audi S4 Avant 4.2L Valve Timing VIN: WAUPL68E44
Hi all, I am doing a valve job on this car. I have a play movement back and forth on the left head Varible valve timing sproket. On the right side, there is no play. Does this tighten up with oil pressure?? I did'nt find any reason why these valves leaked in t... 		View
2007 Audi A4 2.0L Surge VIN: WAUDF78E47
This vehicle has a rapid rythmic surge (approx. 200 rpm on the tach) on accel or decel between 25 and 35 mph. We have scanned the trans, trac control and engine and there are no codes and all readiness monitors are complete. During extended test drives with th... 		View
1993 BMW 325is 2.5L freon VIN: WBABF4314P
i just need to know how much r134 this vehicles system holds. the dealer says they don't have that information and there is no refrigeration sticker. thanks for reading my post. iatn is the best tool i have. 		View
2000 BMW 323i 2.5L ABS/DSC Lamps on VIN: WBAAM3341Y
Hi all. The BMW in question is a shop body job. Certain customers here we do referral work when they need body or upholstery. This one was handled for the customer, now its got ABS/DSC lamps on when driving, and I have to fix it as body shop has no clue. (Not ... 		View
1988 Buick Reatta 3.8L Lighting VIN: 1G4EC11C2J
Back lighting for the headlamp and wiper switches and also the shift indicator are inop-other back lighting such as the power mirror mirror switches work.Other lighting such as crt screen and digital dash work and dim with dimmer control-problem is just with t... 		View
1996 Buick Skylark Limited 2.4L transmission VIN: 1G4NJ52T5T
Car sat for a about a month. Had been started several times and moved once. Went to pick up car for intermitant no start and the trans doesn't engage. Acts like it is stuck in park but shifter and shift cable move freely. Shaft on trans fork moves at least ext... 		View
1997 Buick Park Avenue Ultra 3.8L Excessive Emissions VIN: 1G4CU5212V
Hello everyone This customer just went on a 1200 mile round trip,has complaints of smelling fuel underneath hood on passenger side and fuel odors coming through the air conditioning vents. I checked for fuel leaks none found and I can also smell the fumes esp... 		View
2002 Buick Rendezvous CX 3.4L abs VIN: 3G5DB03E12
if you dont have the time to read my post please dont reply this vehicle came from the dealer and they said that it needed a abs module,it came in with a c0036, they claimed it had a c0035. when braking at slow speeds the brake pedal will pulsate and intermi... 		View
2003 Cadillac CTS 3.2L monitor's VIN: 1G6DM57N63
I have this car that came from the used car lot that will not run the cat. and Evap. I/M status system so it will not pass inspection. They said it set on there lot for about three months and they pulled it out to put it up for sale and the battery was dead. T... 		View
1985 Chevrolet El Camino 5.0L Cuts out, Misfire VIN: 3GCCW8OH9F
Hi this only happens under hard excelland and I mean hard up hill starts about 70 mph and if you stay on it it starts to buck and will all most stall out if you stay on it my first thought was fuel I tested it 8psi and 1/2 qt in 30, sec then I taped agage on t... 		View
1990 Chevrolet G20 Sportvan 5.7L Poor Idle Quality, Surge VIN: 2GBEG25K6L
THANKS EVERYBODY BEFORE HAND FOR LOOKING THIS PROBLEM OVER FOR ME. THIS VAN HAD COME IN AFTER SITTING FOR ABOUT 2 YEARS WITH A RUNNING PROBLEM AND AN ANTIFREEZE LEAK. AFTER WE HAD REPAIRED THE LEAKS, ( ONE WAS THE INTAKE MANIFOLD LEAKING ANTIFREEZE AT THE FRON... 		View
1995 Chevrolet Cavalier 2.2L hydrocarbons VIN: 1G1JC5246S
Hello everyone and thank for the help with this headache. I have this 95 Cavalier 2.2 that fails the hydrocarbons by a few points no matter what I do. It seems to fail at both speeds on the dyno. The engine runs fine. The plugs look good, we put a new cat conv... 		View
2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: JHMR458JK6
p507 sets after 1.5 hrs of idle cleaned throthle body poss contamination indicates rpm high , idles normal any and all help would be welcome Trouble codes: P0507		 View
2001 Chevrolet Prizm 1.8L detonation VIN: 1Y1SK52811
i have a 2001 chevy prizm , 1.8 liter toyota engine , that spark knocks badly upon acceleration, there is no egr system on this car to check, checked compression, and there is no leakage between cylinders , we have cleaned carbon out with engine cleaner, and v... 		View
2002 Chevrolet Trailblazer LS 4.2L low power VIN: 1GNDT13S82
Thanks for reading. This thing has low power all the time, in fact, it wont go over 4K RPM and it takes it's time getting there. Low power during drive,But durring the CKP relearn it will go higher. Trims and O-2's are actually real good,+- 3-4. No codes, peri... 		View
1988 Chrysler Conquest TSi 2.6L No Start VIN: DONTHAVE88
Has anyone had a similar situation? Vehicle has good ignitor, ignition module, coil, coil resistor & electronic spark control computer has signal voltage going to the ignition module. There is no spark and the fuel injectors do not open. 		View
2000 Chrysler 300M 3.5L Hesitation VIN: 2C3HE66G6Y
this car will bog down on accel. falls flat on its face.fuel pressure good,tps and map ok.checked timming marks there right on.sometimes it is also hard to start.checked fuel for water its ok.please need help with this one thank you 		View
2004 Chrysler PT Cruiser 2.4L fan motor VIN: 3C4FY48BX4
Had a similar issue on another PTCruiser in the past that needed a fan motor. Got lucky with a guess last time, would like to be sure this time. When we tested for power there was no power to the fan. Note freon was removed, Key was on and a/c was on. My quest... 		View
1996 Dodge Avenger ES 2.5L Misfire VIN: 4B3A452N3T
Long post thanks for reading. When the vehicle would get hot and customer tried to restart the car would not start until waiting 20-30 minutes to cool off. Found the spark plug tubes filled with oil so I replaced the valve cover gaskets, tube seals, spark pl... 		View
1997 Dodge Ram 2500 5.9L power steering VIN: 3B7KF23D4V
On this truck the power steering and hydro boost assist degraded slowly over about a year, untill it completly quit. A third party rebuilt the pump and installed it, but that did not change anything. That is when my friend asked me for help on this truck. We d... 		View
1999 Dodge Ram 2500 5.9L condenser VIN: 1B7KF2361X
The a/c works fine sometimes but will get too hot at idle due to the fan not moving the air properly. I tried replacing the fan clutch with no difference. This sounds strange but the air on the right side of the fan shroud actually has air PUSHING out around t... 		View
2000 Dodge Intrepid R/T 3.5L cooling system VIN: 2B3HD76V3Y
Hi, looking on some insight regarding the cooling system on this car. Car came on the hook for no start, we foud 18 valves bent, previous to this someone had installed timig belt and water pump. Car had severey cloged cooling system - stop leak from the looks ... 		View
2002 Dodge Durango SLT 4.7L No Start, MIL Lamp on VIN: 1B4HR48N82
Hey guys, This one is kicking me pretty hard. I swaped the 4.7 engine out with a reman. engine from a very good source. Now the thing will not start, It spins over but no start. Every now and then after spinning it over it will try to start but it acts like it... Trouble codes: P1391 (Manufacturer Control Ignition System Or Misfire)		 View
2004 Dodge Durango Limited 5.7L No Start, Stall VIN: 1D4HB58D04
Vehicle intermittently stalls after start up,will not restart unless you cycle the key. If you try to start from the run position it will not start cycle the key and fires up first try. I have no codes stored or pending, everything appears to be within spec. 		View
2005 Dodge Durango SLT 4.7L Battery VIN: 1D4HD48N75
Hi everyone thanks for everything in advance. I have this 2005 dodge Durango the battery goes dead if it sits over night.i ckeked the battery for drains and is 600 ma if i unpluged the fuse No 27 wich is the power source to cluster and mudule integrated power... 		View
1996 Ford F Super Duty XL 7.3L Cuts out, Stall VIN: 1FDLF47F4T
vehicle came in on hook customer said vehicle misfired and no power then stalled checked filter customer changed a few days ago check with scan tool came up cam sensor and back pressure sensor.installed new cam sensor removed back pressure sensor and cleaned a... 		View
2000 Ford F-350 Super Duty XL 7.3L Mechanical VIN: 1FDWF37F6Y
Thanks in advance for the help. Truck came in 3 months ago for a brake pull. Brakes were not that old and rotors were ok. I replaced with loaded calipers and test drove and pull was gone. Fast forward to today and truck came in with left pull and runout shudde... 		View
2001 Ford Taurus SE 3.0L Misfire, MIL Lamp on VIN: 1FAFP53U11
good afternoon, i have a 201 taurus here, that came from the local dealer with the check engine light on. the dealer had replaced the cam syncro and sensor due to a check engine light, i am unsure what code was in it at that time. the customer brought it to u... Trouble codes: P1309		 View
2003 Ford Expedition XLT 4.6L Mechanical VIN: 1FMFU16L93
This may sound very elementary to all of you but here goes...We have serviced this vehicle from day one and untill this problem started have had no previous brake complaints to deal with. Last month we replaced the left caliper and brake hose due to a stuck pi... 		View
2005 Ford F-250 Super Duty Lariat 5.4L Hesitation, Misfire VIN: 1FTSX20565
need a little help on this one. truck came in with the complaint of no power,misfiring,mil light flashing,pinging.the only time this problem occurs is when you are going up hill.the problem only occurs once in awhile,but when it happens the truck will start p... Trouble codes: P0301, P0305		 View
2005 Ford Five Hundred SEL 3.0L instrument cluster VIN: 1FAFP24135
Hello, customer stopped in today with complaint of the instrument cluster will go dead at will. all guages become inop and then will come back to life. radio and air conditioning continue to operate when this happens. It is intermittant but becoming more regul... 		View
1997 GMC K2500 Sierra SL 5.7L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GTGK29R8V
bad hesitation timming retard is all ways surging high 24 		View
1998 GMC Jimmy Envoy 4.3L instrument cluster VIN: 1GKDT13W4W
this car has been in several times for this issue.replaced headlamp switch(oem) and turn signal(oem). everything worked for 1 day.then back to the problem. when you turn on the headlights the instrument panel does not light up and the radio display and overhea... 		View
2002 GMC Sierra 2500 HD 6.0L Misfire VIN: U72E240745
high milage work/service truck. when first started cold or after sitting hot for a few minutes, engine runs fine at idle. run engine speed up to 3000 rpm-idle and then lose cylinders #1/2/4. induced fuel and verified ignition good, no change. engine vaccum dro... Trouble codes: P0300 (random engine misfire)		 View
1998 Honda Accord EX 3.0L speedometer VIN: 1HGCG1657W
one of my customers had an altenator put in his car over the weekend when he was out of state.after the repair was done he noticed his speedomter and his ac were not working.he opted to return to me and take alook at it.a road test was done with a scan tool on... 		View
1997 Jaguar XK8 4.0L MIL Lamp on VIN: SAJGX5747V
2 wire knock sensor, i should have 0 volts on pin 17,18 from computer. pin 27 is a ground. koeo i got 4.5v with sensors unpluged, koer pluged in 1.8v tested at sensor and pin 17,18. i think bad pcm any thoughts? p0328,p0333 i did ck wires for short none found ... Trouble codes: P0328 (ks sense cirt. out of range high voltage a bank), P0333 (ks sense cirt. out of range high voltage b bank)		 View
1999 Jaguar XK8 4.0L No Start VIN: SAJGX204XX
no fuel pres power and ground are there. bad pump. my? is alldata says remove fuel lines underneath they even show a picture. there is no room they are above the rear. do I have to drop the rear and frame. next ? is the 3/4 of a tank going to drain on my head.... 		View
2000 Jaguar S-Type 4.0L Mechanical VIN: SAJDA01D8Y
I have a s-type 4.0 with a noise I am having trouble finding. Sounds like a cracked flywheel but after pulling trans I dont see anything on flywheel or torque converter.The noise is a clicking noise that will change with rpm. Has anyone had this? The trans is ... 		View
2001 Jaguar XJ8 4.0L Mechanical VIN: SAJDA14C11
hello everybody i have a 2001 jag w/ a zf5hp24 transmission which i rebuilt about 2 weeks ago at that time it had a broken planet did full rebuild and worked fine after that the customer picked it up and about 2 weeks later they came back with the complaint th... 		View
1999 Jeep Cherokee Sport 4.0L Poor Idle Quality VIN: 1J4FF68S1X
this jeep will idle fine till it goes into closed loop, then it runs like a hesitation, and every 5 seconds it will have a quick jump in rpm and go back down in a snap,once in a while it is doing the jump, fuel system will jump from closed loop to OL/drive on ... 		View
1995 Land Rover Discovery 3.9L Mechanical VIN: SALJY1241S
We have this 3.9 discoery in and engine spins over like broken timing chain. compression 60 lbs on 4 of the cylinders we tested. timing chain has alot of slop but marks line up and piston is up on #1. the cam gear is plastic molded to steel. has anyone seen on... 		View
1992 Mazda MX-3 GS 1.8L Stuck in limp mode has code 62 3-4 shift solonoid VIN: JM1EC4326N
Car came in with code 61 2-3 shift solonoid code.Transmission fluid fried.Removed transaxel and overhaul.It was a mess.Got it back together and it has a code 62 3-4 shift solonoid circuit.Checked all wires to solonoids,even replaced solonoids.Cleared codes and... 		View
1990 Mercedes-Benz 300SEL 3.0L Electronic VIN: WDBCA25D9L
This car has given me a lot of trouble with the MAS unit. It should receive a signal from the pushbutton unit to turn on the A/C compressor. I have replaced this MAS unit with 3 units to get one to work when it came in with the compressor not coming on. It was... 		View
2000 Mercedes-Benz ML430 4.3L lockup VIN: 4JGAB72EXY
hello to everyone. i have a 2000 mercedes ml 430 that we did a complete overhaul on the transmission. now the problem is everytime i shift from park to reverse or to drive, the engine stalls. i pulled the valve body out to check for any problems, but everythin... 		View
2000 Mercedes-Benz S500 5.0L Starting VIN: WDBNG70JXT
Car came in from a body shop with a no crank no start. Pulled stater k40 relay and jumper it and the car started and ran fine. After looking farther it seems that the eis sends a message to the ecm to engergize the stater relay. With our launch scanner you can... 		View
2005 Mercedes-Benz E500 4Matic 5.0L Suspension VIN: WDBUF83JX5
Hello, I replaced the right rear half shaft and when I lowered the car to the ground, the rear went all the way down. The front went down but after starting it pumped up and leveled off. I have replaced the left rear half shaft and it was down when I did that,... 		View
1993 Mitsubishi Eclipse GS 1.8L Balance belt VIN: 4A3CF44B8P
Replaced timing belt, attempted to replace balance shaft belt. Balance belt won't just 'slip off', too little space between the crankshaft sprocket and engine base. Does the crankshaft gear assembly come apart; if so, what is the torque spec on the 19mm bolt? ... 		View
1995 Nissan Quest GXE 3.0L door locks VIN: 4N2D11W9SD
We have a Nissan Quest that the customer claims when unlocking the door from the drivers side with the key the car locks before the key is even removed from the cylinder. Each time the car has been here the system works properly. We are guessing the car may ha... 		View
1998 Nissan Sentra 1.6L timing chain? VIN: 1N4AB41D4W
Hello All I suspect jumped valve timing and or damaged guides or tensioner. I have been unable to find a way to verify valve timing other than an engine teardown. The igntion timing was found to be 10 to 11 degrees slow. Setting this improved power but did not... 		View
2000 Nissan Maxima SE 3.0L No Start, ENGINE KICKS BACK VIN: JNICA31DXY
hey all you nissan techs out there. this one has me thinking. the engine will not start at times and kicks back, like it is out of timing. and will not start, when this occurs. no codes present. i do have left and right bank pulse signals, and there is crankin... 		View
1993 Saab 900 Turbo 2.0L Radio VIN: YS3AL35T1P
I need help with a radio problem. I replaced radio for what seemed like a defective radio. The original radio would not accept security code. After replacing the radio with a new one, it was able to accept security code and play. So after the car sat for a we... 		View
1996 Saab 900 SE Turbo 2.0L blower motor VIN: YS3DF58N6T
The blower motor is stuck on high as long as the key is on. I am very confident that it needs the fan control module, part # 7495930. I went to order one today($124 list), but my Saab dealer tells me these are on backorder from Saab with no estimated time of a... 		View
2002 Subaru Outback L.L. Bean 3.0L Compressor clutch disengaging randomly VIN: 4S3BH80662
I will try to keep it simple and to the point. The A/C clutch works normal, on and off with with the pressure rising and falling. System cools Great when engaged. Clutch disengages then will not re-engage until the car is cut off and re-started. ( ECM is re-... 		View
1992 Toyota Tercel DLX 1.5L No Start, Stall VIN: JT2EL4384N
Vehicle has beehn sitting for a few months. Customer said they had to spray starting fluid in the intake in the mornings to get it started. So first thing to do was to check for codes. Found ect code 22. Checked ect and found it to be ok . Cleared the code and... 		View
2000 Toyota Corolla VE 1.8L Poor Idle Quality, Misfire VIN: 1NXBR12E2Y
This ones got me stumped. Owner brought car in with complaint of oil loss. Vehicle drove into shop fine - No noticable miss or other run condition. Oil loss was traced to timing cover. This is a VVT engine. We pulled cover, set engine on TDC #1 and aligned tim... 		View
2000 Toyota 4Runner 2.7L Misfire, MIL Lamp on VIN: JT3GM84R9Y
Car came to me with the check engine light and it had a misfire in cyl # 3. Found #3 injector was not firing. I replace the injector but now the engine runs rough at idle and at times the miss comes back. The code also returns. Hc, co, and o2 are neer zero at ... Trouble codes: P0300 (random misfire), P0303 (cyl. 3 misfire)		 View
2002 Toyota Sienna LE 3.0L abs VIN: 4T3ZF13C52
I don't need help finding the problem because I have already determined the root cause. What I need help with is finding the part to fix it. What I am looking for is the three pin connector with terminals the connects to the master cylinder pressure sensor on ... 		View
1999 Volkswagen Passat GLS 2.8L traction light VIN: WVWMD63BOX
I need help from vw technicians, the car question is for 1999 VW Passat, with the traction control light flashing on (ASR)while driving.The car loses power over 50 MPH. on freeway. Scanner can't communicate with the traction control computer diferente scanners... 		View
2000 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSC29M9Y
HELP!!! We have a 2000 Jetta with a P0411 or 16795. We replaced the vacuum hoses to the diverter valve and the soleniod (worn & cracked on the ends. The Pump blows like crazy. When you energize the valve and apply vacuum lots of air goes thru the exaust. We ev... Trouble codes: P0411 (secondary air injection), 16795 (secondary air injection)		 View
1999 Volvo S80 2.9 2.9L turn signals VIN: YV1TS97D4X
Help. I got this Volvo here because the left front turn signal does not work. I have removed all bulbs from the left side and checked them all by swapping them to the right side. They are all working fine. I switched the shunts under the dash and did not get a... 		View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 BMW 318i 1.9L Shifting VIN: WBAAL31020
Hi everybody, thanks for everybody who helped me on this car, they asked me to check the faults in DME module, to change the air mass sensor but the customer decided not to repair the car for now. Thanks again Regards		 3
2002 BMW 330Ci 3.0L MIL Lamp on VIN: WBABS53452
customer declined any more work at this time but will return later. I will post additional information when he brings it back. thanks to all who replied Trouble codes: P0313 (missfire detected with low fuel), P1093 (pre cat fuel trim system too rich bank 2), P2098 (post cat fuel trim system too lean bank 2).		 10
2002 BMW 530i 3.0L Poor Fuel Economy, MIL Lamp on VIN: WBADT63412
Genuine, OE cam sensors seemed to fix the fault. I first used aftermarket (German company) sensors. I had several replies that stated there were problems with non OE sensors. The car was back after two weeks with no codes or pending codes. The concensus is USE... Trouble codes: P1397 (Exhaust Cam Sensor BMW/Manufacturer Code 18).		 6
2000 Cadillac DeVille 4.6L Left rear power window and door lock VIN: 1G6KD54Y8Y
Thanks for all the great help and info. Problem turned out to be a bad ground on the tan/white wire that grounds the door module. Repaired the ground and all is well. Thanks again for all the help!		 6
1999 Chevrolet Malibu 3.1L Poor Idle Quality, Poor Fuel Economy VIN: 1G1ND52J8X
I disconnected the knock sensor to prevent the computer from retarding the timing. The vehicle still has a spark knock and the check engine light is on for the knock sensor being disconnected.The knock sensor is not bad it is doing its job, because the engine ...		 4
2004 Chevrolet Trailblazer EXT LS 4.2L blower motor VIN: 1GNES16SX4
the problem with the car was the rear controller thanks to all who responded. after testing the rear resistor i could not find anything wrong with it so i replaced the rear fan switch and that fixed the problem . 		2
2004 Chevrolet Corvette 5.7L Sensor VIN: 1G1YY22GX4
I think I may have jumped the gun. originally I tried resetting, with magnet, and it stopped on the fourth wheel (the one in question) so i replaced sensor, and looked for it to register on my scan tool. it did,nt. that is when i wrote this. I decided to try a...		 4
2003 Chrysler Sebring LX 2.4L locks, radio, interior light VIN: 1C3EL46X43
Pretty much everyone was correct. The IOD fuse was blown. It was just hard to see. The customer then told me that someone had tried to jump start her car and reversed the leads. Thanks for all the replies. 		8
2002 Dodge Intrepid SE 2.7L No Start VIN: 2B3HD46R22
thanks fellow tech for all your help after engine tear down it was deterimed that engine had excessive sluge bildup causing chain to jump time replace chain and gears vechile started thanks again fellow tech it is good to know their is help out there when need...		 8
2003 Dodge Ram 1500 SLT 4.7L condenser fan VIN: 1D7HA18N63
Although the fuse checked good the wire connection under the fuse was burned. It made a little contact but wouldn't carry any load at all. Some replies were helpful suggesting an updated fan motor and harness, but the customer opted to repair the wiring and ...		 10
2004 Dodge Durango SLT 4.7L all VIN: 1D4HD48N84
Well the fix is in. Dodge put a torque converter,front pump, and a modulator in at their expense (they said it would have been 900)(extended warranty) and a filter and some other not warrantied stuff at 250 customers expense but she is back on the road again. ...		 9
1994 Ford Taurus SHO 3.2L compressor VIN: 1FALP54PXR
I had found that there were alot of voltage drops across the circut. Thanks to the many replys I added a relay into the circut to power the compressor clucth. And thanks to Tom from Colorado.		 14
1994 Ford Mustang 3.8L Excessive Emissions VIN: 1FALP4447R
I found after reconcidering all the data that the real problem was the cats.We recomended that the customer replace the cat converters and the customer declined the repair. I did correct the original problem (leaking injector)but missed the cat problem on init...		 4
1994 Ford Ranger XL 2.3L Hesitation, Stall VIN: 4F4CR12A1R
The fix for this vehicle was rather easy but overlooked. The coolant temp sensor was reporting @104 degrees wich was colder than normal temp. This was due to a plugged heater core. The ECT sensor is mounted in the return heater hose and was not reaching ope...		 14
1999 Ford F-450 Super Duty Lariat 6.8L runs hot VIN: 1FDXF46SBX
THANK YOU FOR ALL YA'LLS INPUT. ALMOST EVERYONE WAS RIGHT WHEN THEY SAID TO CHECK FLOW OUT OF THE RADIATOR. RADIATOR WAS 50% PLUGGED IN THE CENTER OF THE CORE. THE TANKS AND SIDES OF THE RADIATOR WERE HOT, BUT THE CENTER WAS 90 DEGREES COOLER. INSTALLED A NEW ...		 13
2003 Ford E-350 7.3L No Start, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1FTSS34F93
Ok after the vehicle has been back on the road for 2k miles I can safely say that I had a defective IDM. I had previously installed the clips for the harness and I also went over the entire harness looking for signs of exposed wire. I also checked resistance a... Trouble codes: P1316 (idm fault codes detected), P1292 (high side 2 left short to grd. or b), P1293 (high side open right group).		 3
2004 Ford Explorer Limited 4.6L Poor Idle Quality, MIL Lamp on, synch cam/crank VIN: 1FMZU75W14
THANK YOU ALL FOR HELPING THE CUSTOMER HAS DECIDED TO TRADE IT. SO I GUESS SOMEONE ELSE WILL GET THE SATIFACTION OF FIGURING IT OUT. ONE THING THAT I FOUND, WAS IF YOU DISCONNECTED THE CMP THE MIL TURNED OFF. AND THE PCM WENT IN TO BACH FIRING THE INJECTORS. ... Trouble codes: P0340, P1336.		 5
2005 Ford F-250 Super Duty King Ranch 5.4L Poor Idle Quality, Misfire VIN: 1FTSW20505
Ok, got this one in the bag. I figured that there was a timing/valve problem because of vacuum, and almost everyone else thought the same thing. I bought the adapter for a compression test, and found that number 4 cylinder had zero compression. Leak down ch... Trouble codes: 0303 (missfire cyl 3), 0304 (missfire cyl 4), 0307 (missfire cyl 7), 0308 (missfire cyl 8), 0171 (bank one too lean), 0174 (bank two too lean).		 18
1983 GMC S15 Jimmy 2.8L No Start VIN: 1GTHEYUIOP
The customer had failed to tell me that the pigtail connector for the coil had been replaced by himself, and i traced it down to; The wires were crossed for the power to the module; Thank for everybodys help;		 7
1998 GMC Jimmy SL 4.3L Poor Idle Quality, Hesitation, knocking at cruise VIN: 1GKCTI8WOW
thanks for all who replaied to me , I checked the fuel Pressure found it out fo spec so I replaced the fuel Pump and the engine run great , thanks to all 		5
1992 Honda Accord LX 2.2L Excessive Emissions VIN: JHMCB7653N
Thankyou all who took their time to reply: Chris [...] who agreed with Chris was right. Just because we opened the EGR valve and engine died does not mean that EGR passage is not plugged. But when we opened the valve slowly engine kept runni...		 9
2003 Hummer H2 6.0L ride control VIN: 5GRGN23U33
Thanks to all for the info.I cleaned all contacts at motor and module,problem was inter.but so far so good.thanks again,DENNIS		 5
1999 Isuzu Rodeo LS 3.2L compressor noisy VIN: 4S2CK58W7X
thanx for the replies, im not completely sure what was the problem as we replaced the condenser and the compressor (for the second time) any way the noise wen t away and the customer is happy. thanx again for the help!!!		 3
1997 Jaguar XJ6 4.0L no crank VIN: SAJHX1243V
New BCM was bad out of the box. Replaced with known good part for local scrap yard. Seems odd that I had the exact same symptoms with both BCM's. 		4
1998 Jeep Grand Cherokee Laredo 4.0L guages,windows,locks VIN: 1J4GZ58S0W
Ok, finally fixed it. After unpluging almost every modle connected to the bus lines tying to eliminate the ground it was still there. The only module I didn't unplug was the A/C. At this point I was using my power probr to see if the ground was still presen...		 8
2002 Jeep Grand Cherokee Laredo 4.7L No Start, no crank VIN: 1J4GW48N02
Thanks to Chip and Ron for the help on this one. The fix was replacement of transmission range sensor. Have been waiting for customer to get back from vacation before I closed help request. Talked to them yesterday and all is well, they drove it to Florida and... Trouble codes: P0218 (over heat operation), P0706 (shift postion failure), P1698 (no bus message from pcm).		 2
1992 Lexus LS400 4.0L No Start VIN: JT8VF11E7N
hey guys finally got the lexus up and running.. after back tracking everything that i did, i went to the cam and crank sensor to double check the circuit. both cam senors wires are good and found the crank ground wire had no continuity. oh, by the way, the cr...		 4
1994 Lexus ES300 3.0L ac vents VIN: JT8GK13T0R
AFTER FURTHER TESTING OF THE AC SYSTEM WE DID GO ATER THE EXPANSION VALVE AND THAT SOLVED THE PROBLEM OF THE LOW SIDE PRESSURE DROPPING TO 20 PSI.ALL IS WELL		 9
1998 Lexus ES300 3.0L abs module VIN: JT8BF28G8W
All is well again in Lexus-ville! I don't have a deffinitive answer but yesterday my tech did check voltages at the control module and found low readings in the 6 volt range. He removed the connector harness, cleaned & tightened the affected pins, and traced ...		 6
1999 Mazda Protege DX 1.6L hard shift effort VIN: JM1BJ2224X
Good info sent by all. Overwhelming agreement that the first thing to do was change oil in trans. I drained gear oil and installed synthetic ATF. The owner then drove car over the weekend. Shee feels that the shift effort is improved, but the shifter still ha...		 9
2000 Mercury Grand Marquis LS 4.6L Surge, Cuts out, Stall, Misfire VIN: 2MEFM75W0Y
THANKS FOR ALL THE HELP MOST SAID THE COILS ARE WHAT I SHOULD SRART WITH ALSO TO CHECK THE ALT FOR STRAY VOLTAGE. CUSTOMER HAS NOT GIVEN ME PERMISSION TO CONTINUE BUT I DID FIND MISFIRE ON #6 and #4 with scan tool. replaced the coils on those cylinders and all...		 8
1991 Mitsubishi 3000GT 3.0L No Start VIN: JA3XD54B6M
I would like to thank all the sent in information. I was sure the pickup was the cause and when I got a few e mails about similar issue and similar fix I thought I was on the right track. Well we were not. After instaling a known good pick up the symptom wa... Trouble codes: 22 (crank signal fault), 23 (no cyl 1 tdc signal).		 6
2002 Mitsubishi Lancer ES 2.0L door locks/interior light VIN: JA3AJ26E22
Well, we didn't fix this one. Replies suggested probability of stereo connected wrong or wires cut that shouldn't have been. Also suggested removing and re-installing factory stereo. Customer no longer had original stereo, pulled the one that was installed and...		 3
1987 Plymouth Voyager SE 3.0L Cuts out, Stall, Misfire VIN: 2P4FH413HR
I Went out to VEhicle YESTERDAY MORNING & STARTED CAR SAW GAS COMING OUT OF VAPOR CANISTER PERGE SOLENID THEn CHECKED FUEL PRESSURE REGULATOR VACCUM HOSE CONNECTION & FUEL CAME OUT DEAD GIVE AWAY. REPLACED REGULATOR TODAY RUN PERFECT THANK FOR THE TIPS T...		 4
2005 Pontiac Sunfire 2.2L aftermkt. cruise cont. VIN: 3G2JB12F35
Thank you to my friends that replied. I did check with Audiovox, had to get their "correct" phone number from their web site [...]. They are in New York so 3 hour time difference for me on the West coast. Tech support said to tap into the "non common" ...		 3
1994 Volkswagen CAMPER VAN 2466CC Aux. Battery VIN: WV2PD070XR
This camper had 2 Auxillary Batteries in the left rear, cleverly hidden under the closet. 		5
1999 Volkswagen Beetle GLS 2.0L engine VIN: 3VWCC21C6X
Well we scanned again for codes found none, went under car to check for anything that might be loose, there is no sheild on oil pan, the cat sheild is tight but the cat is hollow but still not the problem.. The vibration is most pronounced when yo drive the c...		 8
2000 Volkswagen Passat GLS 1.8L module VIN: WVWMA23B6Y
I want to thank everyone who responded to this. I posted this via a friend of mine who was unable to communicate with his 5 year old Launch x431. He brought the Passat to me and I use my x431 which is a few months old and updated. I too was unable to communica...		 15
2003 Volvo S60 2.4T 2.4L fuel filler VIN: YV1RS61T53
removed the gas vent filter/berather and found spider nest clogging end of line. Thanks for the help!		 1
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