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Prev Professional Automotive Repair Technical Discussions for February 4, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A6 2.8L forward gears VIN: WAUAA24B0W
Came in with reverse polarity jump. Replaced battery & found charging system down. PULLED INSTRUMENT CLUSTER TO CHECK [...] FOR BATTERY LIGHT...found bad alternator & replaced ever since... we have no forward gear, reverse is fine... Checked fluid (toppe...
2001 Audi Allroad Quattro 2.7L controller VIN: WAUYP54B31
Car came in with "All" warning lights on and shifts hard. Found no communiction with scanner (Vag-com). Found water in trans controller (under front seat). Dried it out and now shifted OK. Still no scanner comunication. Pulled ABS controller connector and coul...
2002 Audi S4 2.7L timing belt VIN: WARD68D72A
thanks in advace to every one..this is the first bi turbo audi we have worked on in our shop.but it isnt much differnt that the single turbo as far as the timing belt goes..we have done several of those..we replaced the timing belt, timing belt idlers, tension...
1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K9V
located a fuse in the passenger side relay center #5 20 amp fuse that was blown. using our tech 2 we tried to control the egr,vent.purge,ac clutch relay and after fuse replacement all componants operated and we monitored the o2 senser heater for the #1 sensor ... Trouble codes: P1406 (egr position sensor performance), P1675 (vent solenoid control circuit), P0135 (bank 1 sensor 1 heater performance), P1655 (purge solenoid control circuit), P1654 (ac clutch relay control circuit)
2004 Cadillac SRX 3.6L Drive-axles VIN: 1GYEE63774
Ratcheting noise on hard acceleration, seams to be coming from transfer case.
1998 Chevrolet K1500 Cheyenne 5.7L No Start, Stall, Misfire, MIL Lamp on VIN: 1GCEK19R5W
okay, got one here thats making me a little lost. its a 1998 k1500 that only acts up when it feels like it. When it runs, it runs like a new truck but right now its acting like its jumped time. When you turn the truck over it pops and backfires just like the t... Trouble codes: P0300
1999 Chevrolet Silverado 2500 6.0L Mechanical VIN: 1GCGK29U8X
What happens to customer at times when he brakes the brake pedal gets spongey and the p/s steers hard. does have hydro boost the belt and tensioner are fine. Says no lights come on and does not here the antilock sys as if it had bad sensors on the front. We ha...
2000 Chevrolet Silverado 1500 4.3L evap monitor not run VIN: 1GCEC14W7Y
Codes have been cleared after repairs were performed. All monitors have been run except evap monitor. Does anyone know of a better way to get the evap monitor to run other than the 12 minute test drive cycle which requires 15 miles of no traffic & no stops in ...
2001 Chevrolet Silverado 2500 6.0L No Start VIN: 1GCHC29U21
Hey y'all. First of all, I've checked the archives, but there wasn't anything that matched everything I've run across on this truck. This was towed in with a "no start" condition. The first thing I noticed was no CEL. I pulled the ECM B fuse & it was blown. ...
2002 Chevrolet Avalanche 1500 5.3L rear diff VIN: 3GNEK13T22
while driving from speeds 20mph and up getting a humming noise wich seems to be coming from rear driveshaft/diff area more noticable when applying throttle makes no differance on turns just gets louder the faster you go. I saw a tsb on revised driveshaft repla...
2004 Chevrolet Suburban 1500 LT 5.3L No Start VIN: 3GNFK16T94
have a wierd one here hoping for some insight or help got this suburban that we at the shop have not had the chance to see the actual problem occur but the customer states that after every fill up of fuel the vehcile has to be cranked 3- 5 times to get the veh...
2000 Chrysler Voyager 3.3L Electronic VIN: 2P4GP45R4X
Hi everyone, We rebuilt this trans and now just about the time it wants to shift into second the door locks activate as they normally do but cycle "lock" to "unlock" with the interior lights flashing. I wonder if anyone else has experienced this same problem b...
1997 Dodge Avenger 2.0L Hesitation, Misfire VIN: 4B3AU4ZY5V
this 97 avenger has a misfire at higher rpm 3000 to 5000.it will miss driving or in nuetral in the shop.i found that it would loose injector pulse to all injectors when this happens.i checked crank senser and cam senser seem to be working fine.checked power an...
2000 Dodge Intrepid R/T 3.5L overheating VIN: 2B3HD76VXY
car brought in for overheating. customer says another shop installed water pump thermostat and radiator. car still overheats. at that time approximately 6 months ago, they removed thermostat and added stop leak. now it's winter and he wants heat. ihave removed...
2001 Dodge Durango R/T 5.9L 4wd system VIN: 1B4HS28Z91
the AWD light flashes like it wants to shift but then the light goes out and the 4wd light stays on, same thing happens with 4wd lo light. there are no codes in TCCM. wiring is in tact. I read something about body control module causing problem. does anybody h...
2002 Dodge Durango SLT Plus 4.7L transfer cas VIN: 1B4HS58N72
cant find any diagnostics on this drive train. vehicle doesn't have any 4wd,233 transfer case.no indicator lites working all fuses and wiring ok.switch has power and module has power and grounds are good.the only thing we find questionable is a7 to a (mode sen...
2005 Dodge Grand Caravan SE 3.3L Steering Gear VIN: 2D46P24R05
I need to change the rack on this 05 Grand Caravan and alldata says you need a 6831A tool to remove and replace the roll pin on the intermediate shaft.Is this tool a must have to do this job? Thanks for all the help.
2005 Dodge Neon SXT 2.0L Stall, MIL Lamp on VIN: 1B3ES56C65
Customer complains of check engine light on, and states engine stalls while driving. I've road tested vehicle several miles without verifying stalling concern, fuel trims looked ok on road test, however the freeze frame data showed a lean condition, LFT1 +28%,... Trouble codes: P0171 (bank 1 system to lean)
1996 Ford F Super Duty XL 7.3L No Start VIN: 1FDLF47F8T
Got this one after it quit on customer while driving. Had code p1212 injector control pressure not at expected. Checked pressure with scanner, and it takes a long time to build up to where engine will start. Changed oil to see if that would help, truck started... Trouble codes: P1212
1996 Ford F-350 XL 7.3L lock up VIN: 1FTJW35F1T
Vehicle came in od light flashing. Extracted code 1728 slip detected. Cleared code and road test Code returns afther 20 mile run. Problem is i see lock up solenoid come on but lock up percentage remains 0 no lockup feel either. Ialso noticed the vss was a litt...
1999 Ford Ranger XL 3.0L Misfire VIN: 1FTYR14V9X
Have one that is running on three cylinders, codes stored for misfire cylinder 4,5 and 6. All on drivers side of engine. Tried new coil pack with no luck, checked for spark on all three cylinders and spark looked the same as cylinders that are firing correctly... Trouble codes: P0305 (misfire bank five), P0304 (misfire bank four), P0306 (misfire bank six)
2001 Ford F-150 XL 4.2L Poor Idle Quality, Poor Fuel Economy VIN: 1FTZFO7251
hay guys how you doing , need little help, has anyone have fuel system bank 2 disabled, fuel trims are -3 short,-5 long,on bank 2- . fuel press good no air leak or vacumm [...] are dancin great iac looks good well tell me the problem over lookin something o... Trouble codes: 300
2001 Ford Ranger Edge 3.0L Surge, Cuts out, Stall VIN: 1FTZR15UX1
Customer stated vehicle ran fine till he stopped for gas. On restart no power, he limped it into the shop. Next morning it would not start. Checked spark,injector flash,and fuel pressure(63lbs,Volume good) - All OK. Found fuel filter VERY dirty and plugged,rep...
2002 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMCU04182
hi there fellow techs- i have a escape here with a solid cylinder misfire on #'s 4 and 6 i read previous posts and checked the continuity of the signal wires from the pcm to the affected ignition coils and all is good- i have good compression on both cylinders... Trouble codes: P0304 (cylinder 4 misfire), P0306 (cylinder 6 misfire)
2003 Ford F-250 Super Duty XL 6.0L vdf
Vehicle came in with po528, (visctronic drive fan speed sensor circuit malfunction.) Customer says 4 wheeel drive will not engage all the time. Idle engine, fan speed 500 rpm, 2000 engine, rpm fan speed 570. Anyone know if these value are within range, cannot ...
2003 Ford F-350 Super Duty XLT 6.0L No Start, Stall, Misfire VIN: 1FTSX31P43
Today theis 6.0 Ford is back on a chain again at closing time. I stayed late to pull codes,do a koeo test, and find that fuse f2 #105 to the fuel heater is blown again. I'm not much experienced on this engine and am learning slowly! Customer stated that before... Trouble codes: P0263, P0266, P0281, P0500, P1378
2004 Ford Taurus LX 3.0L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1FAFP52244
Help Ford guys. I have a 2004 Taurus with missfire codes and rich code (po302 po303 po300 po316 p2196. We inspected and found the engine had been neglected of any tune up maintenance so we did a complete tune up. After tune up though cyls 1-3 dont have any rea... Trouble codes: 300 (random missfire), 174
2004 Ford F-250 Super Duty King Ranch 6.0L No Start, Stall VIN: 1FTNW20P44
hello all...truck was a trade in came from a dealer not running...cleared all codes after documenting them, i had a p2291 return. during cranking i had 100 psi max at icp...i replaced the high pressure oil pump and truck now will start after 20 sec of cranking... Trouble codes: P0263 (cyl 1 contribution or balance), P0401 (egr ins. flow), P2285 (icp sensor output high voltage), P2291 (icp low), P2614 (cam sensor output), P2617 (crank sensor output)
2006 Ford F-550 Super Duty XLT 6.0L No Start VIN: 1FDAF56P06
Ok Ford diesel techs. I know there have been huge problems with this engine. I have talked to a number of techs and seem to be getting all kinds of different responses, so lets see what the masses say. This truck came in on the hook. It stalled on the guy whil... Trouble codes: P2290 (ICP pressure low)
2006 Ford Five Hundred SEL 3.0L Coasting Downshift VIN: 1FAFP24186
Car har just been to the local Ford dealer for diagnosis.It is a little over 3k miles out of warranty. The Ford people told the owner it needed a new trans because some clutches were burned up, and it would be 6k bananas to repair.Ouch!The problem as explained...
2007 Ford Focus SES 2.0L Excessive Emissions, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAHP36N77
Today, the car started-up right away and while it seems to run ok, there is some noted problems. The O2 is lazy. It looks like the car has only traveled 45 miles on a half tank of gas and there is soot all over the car. There is a slight mis-fire under accel.... Trouble codes: P0172 (Rich B1), P0191 (Fuel Rail Pressure Range), P0300 (Random mis-fire 301 302 303 304 also), P0316 (P2196- Lack of H02S B1S1 indicates rich), P2196 (Lack of H02S B1S1 indicates rich)
2003 Honda CR-V EX 2.4L Timing Chain VIN: JHLRD78863
Hi Everyone This CRV was towed in from a Honda dealer with a no start condition. Customer was told that timing chain had jumped and bent all the valves, dealer wanted to install used motor and said old motor wasn't worth fixing, they wanted to install used mo...
2004 Honda Accord EX 3.0L Radio VIN: 1HGCM66814
Good Afternoon, Honda techs! As you can see, I work in a Ford dealership and the guys I know in the aftermarket have not been able help me out much. Anyways, this Accord had a dead battery (a used vehicle from our lot), and of course now it needs a radio cod...
1996 Jeep Grand Cherokee Limited 5.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 1J4EZ78Y4T
customer complaining about cold driveability.runs rough,bucks and jerks,misfires at all speeds.we can drive for about 10 miles and the code will set,we can clear and let idle and it will start up and down idle problem.we have reset minimum tps check throttle b... Trouble codes: P0132 (b1s1 volts hi)
1998 Jeep Grand Cherokee Laredo 5.2L Hesitation VIN: IJ4GZ48Y4W
The customer complaint is after a hot start after about 30 to 60 seconds of driving the vehicle experiences a moderate to severe hesitation. After that it will not occur again until the vehicle is shut off and started again while still warm. It is consistent a...
1999 Jeep Grand Cherokee Limited 4.7L Front differential VIN: 1J4GW68NXX
Having only overhauled 15 or so differentials, unfortunately I agreed to repair the diff in this Jeep. I was told the noise was in the rear, had all the rear diff parts waiting. After a test drive discovered otherwise. The noise was in the front, or transfer c...
2001 Jeep Grand Cherokee Laredo 4.0L Code 1762 VIN: 1J4GW48S21
Vehicle came in with check engine light on. Code P1762 stored. In following the flow chart I have found 5 volts at terminal #4 at the solenoid pack connector on the transmission with the connector disconnected. This is the govenor pressure sensor wire. Inspect...
2003 Kia Sedona EX 3.5L temp guage VIN: KNDUP131X3
this is my daily driver so i will give all the info i can. about a week ago i was driving and i noticed that the heat was not what it should be. i noticed that the temp guage was lower than normal. i checked the temp with the scan tool after driving 30 miles h...
2004 Land Rover Discovery HSE 4.6L Poor Idle Quality, MIL Lamp on VIN: SALTL1946A
Both front sensors read right .5v KOEO, as soon as you start the engine the bank1 reading slowly drops all the way to 0v, bank2 trys to switch at times. the pid readings match the readings at the sensors with a DVOM, found oil in connecters and cleaned out due... Trouble codes: P0130 (b1/s1 circut malfunction), P0150 (b2/s1 circut malfunction)
1992 Lexus SC400 4.0L p/s pump VIN: JT8UZ30CTN
HI vehicle came in with no leaks and p/s system full but very noisey. Determined needed pump. Changed and bled system and still have same prob. Flushed and cleaned stayed the same. Changed rack flush same prob.Any ideas
1992 Lexus LS400 4.0L MIL Lamp on VIN: JT8UF11E6N
with the new o2 sensors installed all readings are normal however the code continues to return Trouble codes: 25 (fuel trim), 26 (fuel trim)
1990 Lincoln Town Car Signature 5.0L Misfire, shudder VIN: 1LNLM82F8L
Posting for my nieghbor. He has a 1990 Town Car 5.0. It has a slightly rough idle. Main problem is fells like a misfire or shudder on light accell. Seems to be real bad after torque converter locks up. It locks up at about 23-25 mph. Under light load test it f...
1995 Lincoln Mark VIII LSC 4.6L Hesitation, Cuts out, Stall, Misfire VIN: 1LNLM91V0S
Customer brought vehicle to us complaining of hesitation, cutting out, and stalling. Drove vehicle to confirm problems, they are for sure present. Hooked up Scanner and found that the V-Ref. voltage would drop to zero, same for System voltage. At the same time...
2000 Lincoln LS 3.9L brake lamps VIN: 1LNHM87A0Y
The rear brake lamps illuminate on the own at times only with the key in the off position. I have removed the brake pedal input from the abs/tcs module and the concern it still present. the concern will go away only when abs/tcs module is disconnected. I have ...
2001 Lincoln Navigator 5.4L compressor wont come on VIN: 5LMF28R31L
Hello and thanks in advance for the help. The cust came in with his rear susp. bottomed out and the "check susp" popping on. The cust had already replaced the compressor himself. I first checked all the fuses, ok. I scanned with a Matco Determinator, and got c...
2003 Lincoln Town Car Cartier 4.6L power deck lid/ trunk release VIN: 1LNHM83W63
i need some help and/or advice on this one. the customer's complaint is his trunk release button and the remote does not release the deck lid, (it will release with the key), and when this problem exists, the pull down motor won't operate either. this car also...
1998 Mazda 626 DX 2.0L backing plates VIN: 1YBGF22C5W
Hi Mazda PRO'S, the Mazda dealer told me that these plates are NOT manufactured any more...Is anyone aware of aftermarket supplier for these backing plates...NEW, NOT used. thanks...
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E6Y
Good evening Mercedes technicians.I have this ML320 that came in this morning with a check engine light on and a code p0304.sprayed water on the wires and there were sparks everywhere so I decided to do a complete tune up,plugs,wires and #4 coil.After the job ...
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D41
Check Engine light Illuminated. DTC: P1140 (Intake Valve Timing Control Position Sensor). Already replaced with new sensor (Intake Valve Tiing Sensor)and cleared DTC. After vehicle idles for 30-40 minutes, Check Engine Light returns with same code, DTC: P1140.... Trouble codes: P1140 (Intake Valve Timing Control Position Sensor Fault.)
1998 Oldsmobile Intrigue 3.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G3WH52K3W
Vehicle is setting lean codes currently. Replaced reman maf again and havent reset maf code again. Vehicle will upon start up will miss a few times on all cylinders intill vehicle goes into clode loop. Fuel trims are 20+ shrt and 16+ lgterm I have smoke tested... Trouble codes: P0102, P0171
1999 Oldsmobile Alero GL 2.4L No Start VIN: 1GJMC12365
i was just wondering if the was a way to by pass or override pk3 systeams
2000 Other Asian 2300 6.9L piston VIN: JNALC43HXY
Diesel Techs please help!!! This 2000 UD 2300 is our flat bed tow truck. Approximately 4,000 miles ago the motor was toasted and we paid a very respected machine shop in the area almost $9,000 to bench-rebuild the motor (we performed the installation). Now, 60...
2000 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1G2WP52K1Y
car starts only with pedal all way down take foot off of gas stall out. car has no vacuum now. did a propane test no leaks found.
2001 Saab 9-5 SE 3.0L Line Pressures VIN: YS3EF48Z41
So here is my problem. I suspect a problem in the valve body but have no information as to how it breaks down and the location of the check balls, screens, and filters(besides very carefully removing and marking them). Has anyone ran into a similar problem bef...
2000 Saturn LS2 3.0L No Start, Poor Idle Quality, MIL Lamp on VIN: 1G8JW52RXY
vehicle was brought in for an intermitant no start/ hard start issue. customer states that the vehicle will crank but not start. after several minutes of cranking vehicle will finally start, sometimes will idle very rough until driven, and the mil light will i... Trouble codes: P0727, P0335, B (crank sensor-no engine speed detected), P1780 (trans code- unkown- seems to be related to not signal to or from ecm)
2006 Saturn Ion-2 2.2L No Start VIN: 1G8AJ55F56
when vehicle is cold, and tried to start, vehicle will not start and the security indicator is on. customer walks away from vehicle for 5-10 minutes and comes back and then the vehicle will start just fine.
1998 Subaru Legacy Outback 2.5L Temp gauge VIN: 4S3BG6851W
Not sure where to go here, can find no partial short to ground on the signal wire and don't have a resistance spec table to see what the sensor should be reading at what temperature. Hard to believe both clusters have the same issue. Any help would be apprecia...
2000 Toyota Land Cruiser 4.7L engine starting VIN: JT3HT05J6Y
This is a mint land cruire, auto trany v8 when starting the engine starts right up for 1-2 seconds thens stalls, on second try it starts and runs mint. good gas milage,quite smooth and lots of powere(runs like new) problem mainly happens after 20 minut or long...
1999 Volkswagen Jetta Wolfsburg Edition 2.0L MIL Lamp on VIN: 3VWPB61HXX
check engine light on and no communication available. Have power on blk/blu with key on, have power on red/wht at all times, checked and supplied a good ground on brown wires. Not sure what i am missing or if something is back feeding through the gry/white wir...
1999 Volkswagen Jetta GLX 2.8L transmission VIN: 3VWTE29M8X
Vehicle was brought to me by another shop and was purchased at the auction. Has 1-2 gears and when hits 3rd gear just freewheels and has to pull over and put it in second gear. Has a 1192 tcc malfunction code. It will not manualy or automatically shift into 3 ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 Acura Legend 2.7L Excessive Emissions, No Start, Poor Idle Quality, Stall VIN: SAXXS83HKM
Thanks for all the great responses, Dale the "Sterling Fixer" was very informative. I removed the catalytic convertor and it was not the problem and rechecked the coolant temp sensor and it was fine, now that I knew the specs, thanks again Dale. I went back to...
2000 Audi A6 Quattro 2.8L Misfire VIN: WAUEH24B2Y
We had already checked for vacuum leaks but checked again (smoke machine) - ok. The coil, wires & plugs were replaced in the repair attempt. Turned out to be a bad spark plug! Plugs were new but this one must have been dropped? It looked ok. Anyway, running gr...
2003 Audi A4 1.8L lubrication VIN: WAULC68E33
Once again great input by all has solved the problem. Luckily customer was on the ball and stopped driving immediately when light was blinking. Replacing the clogged pick up tube and engine is whisper quiet at all speeds and tempertures. Still just some con...
2004 BMW 325xi 2.5L EWS locked out VIN: WBAEU33414
received 3 replies 2 of which said to run away from this car. I believe that this was the correct way to deal with this car; however; we were repairing it for a friend's shop.We traced the problem through the transmission control module & found that the range ...
1993 Chevrolet Corsica LT 3.1L stays runnin VIN: 1G1LT53TXP
As so many suggested ,it is the ignition rack and gear assembly. WE are repacing it today, the teeth are worn and not always fully engaging after the car is shut off. Thanks to all 16 shops who replied Bill
1999 Chevrolet Silverado 1500 5.3L 2-3 and 3-4
Well folks thanks again for all the help! Jerry from Virginia saves the day! I checked the (#7) 3rd Accumulator Retainer and Ball Assembly behind the 2-4 servo and sure enough it was not seating! I replaced it and all is well! I quess for $6.13 this little g...
2002 Chevrolet Avalanche 1500 5.3L fuel pressure VIN: 3GNEK13T92
well thank you to all that replied, sounds like I might be after the fuel pump for my noise .The customer chose to live with the noise for now, but if he desides to do it in the future and the noise goes away. I will post a update to those that helped me Thank...
2004 Chrysler 300M 3.5L Stall VIN: 2C3JA53G55
WEll, I had several good replies;the fix was indeed to clean the electronic throttle;it had quite a bit of carbon built up and using the correct cleaner and taking car to not let it get into the tps this car is fixed.I drove it about 50 miles and it runs like ...
1992 Dodge Stealth R/T 3.0L No Start, Cuts out, Stall VIN: JB3XD64B0N
Replaced computer again. Second time was a charm. It was a defective first computer. Thank you to all whom replied.
1993 Dodge Colt GL 1.5L Rolling idle VIN: JB3CA21A7P
I apologize for the delay in closing this help request, but this Colt is finally out of my face. Thanks a million to Wayne, Lonnie, Michael and Faust. Plugging the vacuum port in the throttle opening with my finger improved the runability of this car. I pul...
1998 Dodge Durango 5.2L No Start VIN: 1B4HS28Y8W
Sure enough, the ASD relay turned out to be the problem. At some point another tech in the shop switched the fuel pump relay with the ASD relay and the vehicle was running fine again. Customer took the vehicle but then brought it back in and there was no fue...
2000 Dodge Caravan 3.0L No Start VIN: 2B4GP2531Y
ECM appears to have fixed it. I will know more the next cold spell. Thanks Dave Trouble codes: P0300.
2001 Dodge Ram 2500 5.9L lifter
cracked the fuel lines and found cyl #5 making the noise, cust declined to do anything at this point, if it changes I will update thanks for the time Adam
2002 Dodge Ram 1500 SLT 4.7L air temp changes VIN: 3B7HA18N42
thanks to all that replied to my help request,I took a couple of your recommendations and flushed out the heater core and the system started to operate normally, distributing heat out of all the vents. thanks again
1995 Ford Mustang GT 5.0L electric cooling fan VIN: 1FALP42T4S
Guys , I have checked all the possibilities that you have suggested It comes to an end that we have to replace the pcm, as of now the pcm is not available and we have to order it.I will just close this help request of mine. Anyway thank you guys for your suge...
1999 Ford F-150 Lariat 4.6L valve train VIN: 1FTRX17WXX
Thank u all for your replies... iplled the timing cover and the tech that previously did the job had the timing right but the right bank tensioner was completely collapsed... i replaced the guides and tensioners on both sides and bingo no more noise... i appre...
2001 Ford E-250 Econoline 4.2L Poor Idle Quality VIN: 1FTNE24291
After reviewing several of the responses that stated the valve must have some backpressure on it to operate properly, I decided to reinstall the original valve & apply vaccum to it while running, it promptly stalled the engine so I was assured it was operatio... Trouble codes: P0171, P0174.
2003 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTRX17W83
2004 Ford F-150 FX4 5.4L whistle noise VIN: 1FTPW14554
All the replies were very good and a possibility, this vehicle did not have an iac valve and the pcv is a drilled orfice in the valve cover- ruling out those two possibilities. disconnection all external vacuum lines had no effect. and removeing the intake ai...
2005 Ford Crown Victoria 4.6L abs VIN: 2FAHP71W65
2004 GMC Envoy XL SLE 4.2L Poor Idle Quality
Replaced the throttle body after going thru the Mitchell trouble shooting chart. no change at all. After thinking about it for a couple of days I decided it had to be a bad PCM. called dealer to order & they informed me it was coverd under warranty, so they re...
2003 Infiniti G35 3.5L door locks VIN: JNKCV54E83
First, Thanks for the 3 great responses.We shimmed the door switches out slightly, but still no cure.On a hunch I went to the Body Control Module, disconnected all 4 connectors, and reconnected. After that, the door locks calmed down alot.I called my local Inf...
2000 Jaguar XJ8 4.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA14C9Y
Ok,this one is fixed. The fix was what I thought it was,the throttle body, but could not verify even with a lab scope. I had 3 great replies to solve this expensive problem.Thanks to Steven from New Jersey,Mike from Illinois and Steven from Indiana for all you... Trouble codes: P1121, P1122.
1999 Lincoln Navigator 5.4L transfer case VIN: 5LMPU28A2X
This one is fixed. The problem ended up being that that shift motor was not fully disengaging. Replaced shift motor and all is well. The other strande part is that there is about 6 volts going to the magnitic clutch. But seems to be working fine.
2002 Lincoln Continental 4.6L Interior lights door locks VIN: 1LNHM97V72
Thanks to all the replies it turned out to be the door pad like everybody said excellent job guys thank you and god bless
1987 Mercedes-Benz 190E 2.3 2.3L Heating VIN: WDBA28D9HF
Well, its fixed. I first tested the vac switch valve (ohmed each solinoid) and found a bad solinoid. I replaced and it was better but not fixed. I checked all vac lines and didnt find any problems. Then did a DVOM test with info from MOD. The problem was th...
1991 Mercedes-Benz 190E 2.6 2.6L No Start, Poor Idle Quality, Stall, while cold VIN: WDBDA29D6L
thanks for the help guys i did find that it was the overvoltage relay that had a blown fuse in it i replaced the fuse and the car started right up. again thanks for the help ben
1995 Mercedes-Benz S320 SWB 3.2L Heater-a/c VIN: WDBGA33E7S
I would like to thank David, Frank, Randy, Steve and Tom. Their responces were helpfull, providing what I needed, a simple explination of how the system worked( the "duo valve" does indeed controll the heat,regulating coolant flow via a regulated ground from ...
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E8Y
This car never did return, but we had more suggestions come in after the update went out. They included spraying the intake with carb cleaner (did that), try drive cycle to set adaption, NGK plugs, engine harness, cam sensor, contamination in the fuel rail, en... Trouble codes: P0300 (Random Misfire), P0303 (Cyl. 3 Misfire).
2001 Mercedes-Benz CLK320 3.2L electronic ignition switch VIN: WDBLK65G01
Thanks to all who replied to this ignition problem with a customers CLK. As per your suggestion I double checked the fuses in this vehicle. The original key worked the locks but would not activate the eis. I also had no ability to communicate with eis without ...
1997 Mercury Cougar XR-7 3.8L MIL Lamp on VIN: 1MELM6245V
had several helpful replies. Most of them were of some help. We found out that BARO is a calculated value the PCM figures from TPS and MAF readings. After replacing our MAF we had to clear no only codes but also long ter... Trouble codes: 171 (lean bank 1), 174 (lean bank 2).
2001 Mercury Mountaineer 4.0L heat VIN: 1FM89037LM
Im sorry about the lack of info but I was hoping for a quick fix.But unfortunatly it turn out to be long fix.I really want to thank everbody who told me check the blend air door.It was broken on the inside.So I had to R&R the heater box.I was not happy about t...
1994 Nissan Maxima SE 3.0L Poor Idle Quality VIN: JN1HJO1F6R
well the majority said injectors were the problem,after further testing we found 4 that were faulty.The customer declined to repair it
1996 Nissan 200SX SE-R 2.0L No Start, hard starting VIN: 1N4BB42D2T
thanks for everyones input.next time i will try to be a little more specific,fuel pressure was fine,plugs were new and spark was good,coolant temp and all volts and grounds were good. the fix came from ed at british columbia,there was no fuse in the start sign...
1996 Nissan Maxima GLE 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: JN1CA21D3T
2000 Nissan Frontier SE 3.3L 4-wd drive shift lever VIN: 1N6ED27Y6Y
Well, the first reply I received--from Jan [...]--was absolutely right. He thought that Godzilla might have been on the assembly line attaching the knob, when in fact it could have been screwed on by the proverbial little old lady from Pasadena. The problem...
2002 Nissan Altima 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1N4AL11D72
Here goes the story...We did perform a quick intake vacuum test with a smoke machine and found no leaks anywhere. I read about phantom cylinder head gaskets causing problems in this year but I saw no signs including coolant any loss. My big question revolved ... Trouble codes: P0302 (cylinder 2 misfire).
1995 Oldsmobile 98 Regency Elite 3.8L No Start VIN: 1G3CX52K5S
Thank you for all of your help. We found today by grounding the PCM GROUND at the PCM RED connector the engine would run. Tomorrow we'll either try to locate that ground terminal or splice and ground to another location. Since I already cleaned up the ICM p...
1997 Oldsmobile Achieva S 2.4L No Start VIN: 1G3NL52T0V
Thanks for the replies. As we suspected the instrument cluster was the problem. We have replaced several of these but this was our first defective unit. Just because it is a dealer item doesnt mean it is exempt from being built poorly, especially since it is r...
1998 Plymouth Voyager 3.0L speedo,temp guage VIN: 2P4FP2534W
Good evening chrysler techs.You know how everybody always says to never skip steps,well I deserve a kick for this one.a broken can + wire from the ecm to the bcm.I had managed to get a used bcm and a used cluster to try and when nothing worked I decided to go ...
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