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Prev Professional Automotive Repair Technical Discussions for January 5, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1992 Audi S4 2.2L headlamp wiring VIN: WAUHP54A8N
Gentlemen, I have this USA spec car and a customer with a set of Hella HID lights. part# 4A0 941 003 AF/Left 4A0 941 004 AF Right. I also have both harnesses for the correct connections. I would like a European Wiring schematic, my Bently manual covers only t...
2001 Audi A6 Quattro 2.8L Hazard Relay VIN: WAUEH64BX1
I know there is a huge probem with the hazzard switch. I have a welding type noise comming from the hazzard relay,it is intermittant and goes off when you use turn signals or hazzards. I have read all fixes for this condition even the one about turn signal bul...
1994 BMW 740iL 4.0L Trans Program VIN: WBAGD8327R
Vehicle brought into shop in early Dec. for a reverse problem. Had a long delay, then would slam into gear. Researched and found several posts in archives about check balls and valve body problems, and due to mileage, transmission was removed and completely ov...
2000 BMW M5 5.0L Unknown VIN: WBSDE9344Y
hello bmw experts. i have an m5 on the lift with 75,000 miles , the customer complains of a slight vibration in the shifter under acceleration(manual trans). as well as a shake from the right rear when decellerating in second as if to approach a stop sign. i c...
2000 BMW 528i 2.8L abs system VIN: WBADM6342Y
Car came in with abs light on and we diagnose abs dsc was bad.we replace dsc and recode it with GT-1 but the module will not communicate or show on the GT-1 and abs light is still on.we want to know if the module is bad or some way to programm or recode the DS...
1987 Cadillac Brougham 5.0L vents VIN: 1G6DW51Y2H
happy new year to everbody. we have this 87 caddy that came to us to check why the climate control only blows out through the floor. just recently another shop replaced the engine. upon checking the system we noticed no vacuum hose to the vacuum reserve canist...
1997 Cadillac Seville SLS 4.6L Stall VIN: 1G6KS52Y4V
To all; thanks in advance, I have this caddy, my customer bought it used a couple of months ago. We dis a tune up, oil change etc.. whenhe bought it. recently he is complaining of an idle stall that seems to happen after it has benn raining, but I only saw it ... Trouble codes: P0300 (random misfire), P0138 (p0139-), P0139
1998 Cadillac DeVille 4.6L Starting VIN: 1G6KD54YOW
hello thanks for your help. this is the first time i have used this. so sorry. i have helped people on here. i have this 98 deville drove into shop. This car had no dash cluster lights and no display. i hooked up scanner no comunication. took dash cluster apar...
1954 Chevrolet 3100 235CID heads
Vehicle was driven for 500 mi. after major engine rebuid. We would like to know if any members know the valve lash specs. for this engine. adjustable tappets obvious and has soild lifters. Do these need to be set hot or cold and what the firing order is?
1995 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP22P2S
Thanks in advance for taking time for my post!Car came from used car dealer, which purchased car not running and could not communicate with pcm. .I hooked up tech2 and communicated with pcm, had no codes and went to data and looked for rpm and low resolution s...
1997 Chevrolet Camaro 3.8L Fuel Guage VIN: 2G1FP32K9V
Vehicle came in no start, fuel tank full. No fuel pump operation. Removed fuel, removed fuel tank, replaced module with OE AC Delco, reassembled system, vehicle runs well. Customer complains now of moving fuel guage needle upon braking and acceleration, verifi...
1998 Chevrolet C1500 Suburban LS 5.7L MIL Lamp on VIN: 1GNEC16R1W
Came in with P0452 and P0453. Tank pressure sensor low & high inputs emissions failure. No driveability issue. Checked sensor at harness next to tank. I have ground and 5v ref. but 0v from signal wire. This explains P0452. What has me puzzled is if I clear the... Trouble codes: P0452 (EVAP pressure sensor low input), P0453 (EVAP pressure sensor high input)
2000 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W2Y
I have been working on this car for 2 weeks, someone please help!!! This vehicle has a misfire. I can hear fire jumping inside the dist cap. Replaced all parts listed in repair history and there is no difference. Checked position of distributor and it is corre... Trouble codes: P0300 (Random Misfire)
2001 Chevrolet Impala 3.4L temp guage
happy new year to all.need a little education on this please.i had this 01 impala with the cooling fans on all the time and the hi-speed fan on with eng off.temp guage reading below.it's lowest limit approx 130 when i first started looking at it.the hi speed f...
2003 Chevrolet Silverado 2500 HD 6.6L Cooling Systems VIN: 1GCHK23103
Please Help Duramax Techs. This vehicle will burn about 1 gallon of water every 1,000 miles with no external leaks. There is a signifigant amount of smoke out of the tailpipe and it is greyish or sort of white. The truck runs OK. We followed the GM TSB for fin...
2004 Chevrolet Silverado 1500 4.8L will not run monitor VIN: 2GCEK19V04
1995 Chrysler Cirrus LX 2.5L Excessive Emissions, No Start, ran before VIN: 1C3EJ56H5S
We have no codes and have verified all computer voltages. we did find that fuel pump was fluctuating from 45-70 psi so we thought we had it figured out and after replacing the fuel pump and getting it correct it still would not start. the spark plugs were cove...
1995 Chrysler Intrepid 3.5L Poor Idle Quality, Misfire VIN: 2C3HH56F4S
this vehicle runs fine for about 30 seconds at idle ,then a miss occurs at # one cylinder . the plugs & wires have been replaced . fuel pressure is 45 psi , leak down test is good . we replaced the # one injector . when we install a noed light to # one injec...
1996 Chrysler Cirrus LX 2.5L No Start VIN: 3C3D256H4T
towed in died and wouldnt restart, no check engine light at all, no power to any sensors, automatic shut down relay not getting activated, (switched relays no help), all fuses and maxi-fuses good, about six powers to ecm and several grounds, disconnected crank...
2002 Chrysler Town & Country Limited 3.8L No Start VIN: 2C8GP64L32
cust. brought vehicle to us with a lack of power and popping in exhaust and vehicle would bogg down to 5 mph and start popping. this is after we installed new fuel filter as regular maintenance. pressure guage showed 10 psi and would pump up to spec. if key ws...
1999 Dodge Intrepid ES 3.2L indicators VIN: 2B3HD56J7X
This vehicle has both the abs amber and red brake light on after startup and what seems like the regular system self test. I understand the amber light coming on and staying on but the wiring and info I have shows the red brake light only used for brake level ...
2000 Dodge Neon ES 2.0L hazard lights VIN: 1B3ES46C0Y
Hello. This Neon has us stumped. The turn signals and stop lights are working properly. When using the hazard lights the flasher relay makes a buzzing noise and will blow the hazard lights fuse at the underhood fuse panel. We have unhooked all the turn/hazard ...
2003 Dodge Ram 2500 5.9L No Start VIN: 3D7KU28C23
Hello all, I hope you can help me with this one. This is my first experience with the common rail system on these Cummins engines, and so far it's leaving a bad taste in my mouth. Customer brought in his own injection nozzles (high performance, 50 hp increase)... Trouble codes: P0251 (vp44 injection pump problem)
1998 Eagle Talon 2.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 4E3AK24Y2W
according to oem manual p1390 is timing belt skipped a tooth.the related tc tests say the pcm has detected cam and crank sensors out of sync.and asks is cam/valve timing within specs. i checked the timing the crank is 1/2 tooth before and cam sprockets aligned... Trouble codes: P1390
1991 Ford LTD Crown Victoria 5.0L Poor Idle Quality, Hesitation, Surge, Stall VIN: 2FACP72F7M
hi guys hope you can help. this vehicle won't idle engine hunts up and down stalls sometimes. have replaced the egr iac motor and tps. checked for vacuum leaks and found none. the only code is the one above and the check engine light is NOT on thanks for any h... Trouble codes: 24 (egr evp voltage too high)
1995 Ford Thunderbird LX 4.6L Interior VIN: 1FLAP6252W
hellow ford tecs got one for ya got this t-bird the dome lights work ok untill you start the car sometimes they go out when started and come on and stay on when driving other times they come on and stay on while driving, park the car close the door they time o...
1996 Ford F-150 Eddie Bauer 5.0L No Start VIN: 2FTEF14N5T
If I bypass the fuel pump relay, the truck will start. I'm not even getting the "prime up' signal from the ECM. I have replaced the ECM, fuel pump relay & ECM relay.I'm @ wits end & ready for any suggestions Thank you in advance, Elliot
1996 Ford Explorer XL 4.0L exterior lights VIN: 1FMDU32XOT
i have a 1996 exolorer that the headlights will intermitently go out. i can have them on for hours and problems but the minute the customer picks it up they go out. this truck does not have a light out waring system nor does it have autolamp. all fuses are che...
1999 Ford Contour LX 2.0L engine
This vehicle came in with an oil leak from the timing belt area. We have localized it to the exhaust cam area, but it continues to leak. Anyone have any ideas?
1999 Ford Escort ZX2 Hot Coupe 2.0L Poor Idle Quality, Misfire VIN: 3FAKP1138X
This is a interesting one. We replaced the timing belt 10,000 miles ago after it broke and the car seemed to run fine on our road test. The customer returned later that week saying at light throttle(hardly on the gas) the car would miss or stumble. I scheduled... Trouble codes: P0340, P1383 (vct overretarded bank 1)
1999 Ford Mustang 4.6L guages VIN: 3FKIJURH94
hi all, this is the car of a good friend. he payes close attention to all his cars and brought this to my attention. on the 99 mustang he has the oil pressure guage is in fact just a oil light without the light. he states that when he starts the car the oil p...
1999 Ford F-450 Super Duty Lariat 7.3L no power at low RPM VIN: 1FDXF46F0X
This vehicle originally came in with cold start problem and problems with hydraulics on wrecker. Also lack of power and blue smoke. Replaced accelerator pedal for no responce at first movement of pedal. Before we did this we performed all of the tests listed. ...
2000 Ford F-550 Super Duty XL 7.3L No acceleration VIN: 1FDAF57F4Y
This truck has been to several shops with no results and it is a new customer for us. It got pulled away from us for a run before we had very much time. I just wanted to start the system working. This truck will not come off from an idle when sitting still. As... Trouble codes: P1501 (Vehicle Speed sensor)
2001 Ford Ranger Edge 3.0L No Start, no start, no crank VIN: 1FTYR11U51
Hey fellow techs, Happy new year to you! This ranger came in on the hook. Customer stated he was driving along when the vehicle started bucking. Soon it cut off, but he was able to start it right back up. He drove a little further and it cut off again, but t...
2002 Ford Ranger Edge 3.0L engine oil pressure VIN: 1FTYR14U82
Hello, everyone!! This vehicle sat for a few months as customer was deciding on repairs. We performed a brake job,plugs and wires, oil change, and a new oil pressure sender due to guage reading dead in instrument cluster. Owner does not believe in spendind the...
2003 Ford Taurus LX 3.0L air bag VIN: 1FAFP55212
air bag light
2001 Hyundai Accent L 1.5L Transmission VIN: KMHCG35G91
Hi iATN, I have a 2001 Hyundai Accent with a stored transmission fault code P0734 A/T 4th Gear Ratio Problem. The customer's complaint is at cruising speed about 80km/h (55mph). He says "its feels like it is shifting in and out of overdrive constantly". I road...
2004 Isuzu Rodeo S 3.5L 4x4 VIN: 452DM58W83
hello everyone vehicle came in with check 4x4 light on.when 4x4 button switch turned on 4x4 indicator flashes.checked for and found po705 stored. we replaced range switch as per all data flow chart but did not resolve problem.any help would be appreciated than...
1994 Jeep Grand Cherokee Limited 4.0L rear brakes VIN: S1RC254637
i've been dealing with the problem for a year know.jeep has good pedal,no hydrolic leaks,brakes are new all around.problem is that after repair was done after a few weeks maybe longer the brake pedal gets very sensative and lock the rear brake, if it rains its...
1996 Jeep Grand Cherokee Limited 4.0L parasitic draw VIN: 1J4GZ78S2T
dear members this jeep came in with dead battery.we did std.charging/battery/alt test and found no obvious reason for dead battery.ran parasitic draw test and found 212 miliamp drain.pulled fuses and found draw to go down when i pulled #7 in interior fuse box....
1998 Jeep Cherokee Classic 4.0L Master cyl. VIN: 1J4FN28S5W
This is a Postal delivery RHD Jeep that sees hard brake use. Will empty master cylinder brake fluid into booster every 3,000 miles. When you remove the master cylinder you can see a puddle of brake fluid in the bottom of the booster. I have replaced master cyl...
1998 Jeep Grand Cherokee Laredo 4.0L engine stall VIN: 1J4GZ58S5W
Random stall at startup after overnite stay.After a couple restarts vehicle runs good rest of day with no problem or stall.
1995 Land Rover Range Rover County Classic 3.9L pass front door lock VIN: SALPV1246S
I have this 1995 Rang Rover in the shop and the pass front door lock will not unlock, I have the sevice bulletin on it where you breck the plastic retainer on the door latch and then remove the super lock pawl spring and after that it says to put body pressure...
1999 Lexus RX300 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: JT6HF10U3X
Hey all, I have this Lexus RX300 that have been giving me a problem. This vehicle seems to only show problem in Bank 1 with the emission system. Bank 1 LT fuel trim is at 52.3% while bank 2 is pretty normal at 8.5%. Spark plugs been changed and yet still exhib... Trouble codes: P0300, P0301, P0303, P0305, P0171
2003 Lexus RX300 3.0L lo beams VIN: JTJGF10U02
Lo beam only on w/fog sw on. Fog lites on in Hi beam mode also. Fog lites on w/ fog relay and fuse removed ! Lo beams inop w/fog relay and fuse out, but hi beams still work .No sign of crash/wiring repair. Local veh in non-corrosive enviro.
2003 Lexus LX470 4.7L Power Antenna VIN: JTJHT00W53
The power antenna will only go up 4" when the radio is turn on. It shuts off instantly like a switch, not the usual humm until the relay controls it. It retracts completely when shut off. The antenna assembly(mast and motor) and the control module are new. The...
1997 Lincoln Town Car Signature 4.6L No Start VIN: 1LNLM82W2V
Hi, have a perplexing one here, mainly due to the intermittent problem, making it hard to pin down, I am hoping someone has seen this before. Customer called, no start, had vehicle towed in. Started perfectly upon arrival, everything checked out. Sent home. 1 ...
2003 Lincoln NAVIGATOR 5.4L srs VIN: 5LMFU28R53
Hello one and all, This lincoln navigator came from a stereo shop that did not know how to handle this air bag light. The Flash code is 19, which puts the problem in the drivers air bag area, and the stored code is b2293. I am using just a snap on mt2500 scan...
1997 Mazda 626 DX 2.0L Stall VIN: 1YVGE22COV
need help have said above mazda this is the story i got car was towed into me by customer who said he was driving home about six months ago and hit a big puddle and the car started dieing stalling out he said he got it home and the it would not restart he let ...
1996 Mercedes-Benz C220 2.2L Poor Idle Quality VIN: WDBHA22E1T
Hi guys, i am getting code p1444, and no description on it on my carman scanner, car is running rough, if i clear the code, it would run fine foe a couple of days until this code comes back, then it start running rough, clear the code restart it, it runs much ... Trouble codes: P1444
2001 Mercedes-Benz ML320 3.2L Poor Idle Quality, MIL Lamp on VIN: 4JGAB54E51
sets mil on at idle only, slight missfire at idle. fuel pressure is in specs. at idle bank 1 and 2 fuel trim is plus 30. thank you for your help. Trouble codes: 170 (bank 1 fuel trim), 173 (bank 2 fuel trim)
1998 Mitsubishi Montero Sport ES 2.4L No Start, no injector pulse VIN: JM1TA22132
Hello fellow techs, I need some help or insight. I have a 98 Montero Sport that was towed to two different shops before we got it. Basically, it has intermitent injector pulse but most of the time it has none. When it does have pulse, it will run fine for as l... Trouble codes: P0201 (Injector Circuit Malfunction - Cylinder 1)
2002 Mitsubishi Montero Sport ES 3.0L Poor Idle Quality, MIL Lamp on VIN: JA4MT21H02
Hello every one, i am back again with another strange problem as i have not yet fixed my earlier help request on the Mitsubishi with tiptronic issue but it appears to be internal and not electrical. This car that i am now working on 8 days came in initially to... Trouble codes: P0300 (misfire)
2001 Nissan Maxima SE 3.0L MIL Lamp on VIN: JNICA31DX1
Good morning, we have a PO430 on this Maxima, we have have replaced the cat convertor first because the dealer told him that the cat needed to replaced, we installed reman. cat & sent him on his way. customer returned with check engine PO430 again, so replaced... Trouble codes: P0430
2003 Nissan Altima 2.5L Poor Idle Quality VIN: 1N4AL11D23
Need some help from all you nissan guys and gals. This car came in with a complaint of a intermitent high idle with a check engine light on. Pulled the code and found p0507 idle rpm high. I should start by mentioning that the car never idled high while here. I... Trouble codes: P0507
2002 Oldsmobile Intrigue GL 3.5L windshield wipers VIN: 1G3WS52HX2
Hello group, hope some of you have a chance to read this before the weekend. The wipers on this car will pause at the top of the windshield while in the "pulse" mode. The local dealer suggested a new circuit board, so I changed it and no difference. It will pa...
1992 Plymouth Laser RS 2.0L Poor Idle Quality, Surge VIN: 4P3CS44RXN
the main problem is that when the car is in park or neutral the vehicle surges between 900-1500 rpm. we have tried a new idle air control and it has not helped. the vehicle runs great in drive gears or if you bring the rpm's up in neutral or park. i have tried...
1999 Plymouth Neon High Line 2.0L oil
car waste oil after thee weeks of driving.costumer came to the shop and the oil level was down two qts.not many miles driven and this has happened three time since repairs were done,valve cover gasket its new and so its the valve stem seals.no external oil lea...
2001 Pontiac Grand Prix GTP 3.8L power steering VIN: 1G2WR12121
Kinf of a goofy one hear , client brought in this car with no ps assist at all , he changed the pump with a gm unit .Now someone had told him a little while ago that his rack needed to be changed , so we changed it (customer supplied used unit)and no change , ...
2003 Pontiac Sunfire SE 2.2L hvac VIN: 1G2JB12F33
Can someone please help, I have 2 of these cars that continue to bend the mode door cable. There is a TSB about foam interference, but that is not the problem. The actual door seems be be binding but for the life of me I can't see were. Is there any help other...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Acura CL 2.3L No Start VIN: 19UYA3149W
Thanks for all responses, we believe we have an ecm problem. The customer has not ok'd the cost to send out the ecm to be tested. We are going to close the post for now, if this thing ever gets resolved we of course will let everyone know. Trouble codes: P1362 (tdc sensor signal missing), P1382 (cyp sensor signal missing).
1998 Acura RL 3.5L No Start VIN: JH4KA9652W
sorry about the late post the car was towede to the dealer to have the security system reflashed hope that fixes it will let u know if it does thank u for all the input
1999 Audi A6 2.8L No Start, Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: WAUGD68D6W
Hi everybody, If you ever run across one like this, hopefully this will save you a lot of time and headaces, here's what fixed this one. Not sure if anyone will run into this. It kept setting cam position sensor faults both banks, Short or open circuit, appare...
2000 BMW 740iL 4.4L Hesitation, Cuts out, MIL Lamp on VIN: WBAGH8344Y
Thanks to all that responded- we have yet to duplicate concern in the shop. Alternator output is normal- I suspect abs control unit but cannot confirm this. If a fix occures I will post it. Thanks again, greg and crew Trouble codes: 080 (ecu- internal fault-electronic trans controleprom), 103 (internal control module cpu- dme), 76 (dme/dde does not fulfill torque request-dsc actively switched-no abs control-stop light switchactuated-no asc control-no dsc control-no acc control-no hdc control).
1995 Buick LeSabre Custom 3.8L tail lamps headlights VIN: 1G4HP52L6S
thanks to everyone that helped.i found the module behind the hvac case just to the right of the accelerator mounting bracket i could have replaced it by just taking the floor heater duct off.(i removed the dash) but the car is fixed thanks again
2000 Cadillac DeVille 4.6L lifters/tappets VIN: 1G6KD54Y3Y
Thanks for all the replys. The most common one that I got was carbon build up on the pistons. I talked to the customer again and he said that he bought the car from a person that drove it short distances. I told him his best bet was to take it to a Cadillac de...
1990 Chevrolet S10 Blazer 4.3L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GNCT1823L
Thanks for the many responses. This one turned out to be a fuel pressure issue. Fuel pressure spec is 10 to 14 psi. We had fluctuating pressure between 5 and 10 psi. The solution was to replace the fuel pump. Actual pressure is now 13psi and vehicle runs good ...
2002 Chevrolet Malibu 3.1L Righ front wheel abs VIN: 1G1ND52J22
Thank you all tech. who try to help me. The car is not fixed because of the New Year vacation. The car is not come back to me before end of January 07. I let you know later what is the final fix. For the moment the most probable solution come from Roger from A...
2002 Chevrolet S10 4.3L drive shaft VIN: 1GCCS19W82
replaced aftermarket drive shaft whith oem drive shaft. guess the cv joints were there for a reason.
2003 Chevrolet S10 4.3L Timing chain VIN: 1GCCS19X53
Thanks to all who helped with this problem. Many of you sent the TSB related to this problem which deals with a bad timing chain tensioner. I am posting the TSB that I got from GM Technical Support on this issue. It is the same as the TSB's I received from m...
2003 Dodge Ram 1500 SLT 5.7L MIL Lamp on VIN: 1D7HU18D13
Thank you to all who responded. Most agree that it is an internal PCM problem likely caused by an intermittently shorting coil. We recommended 1 coil and a PCM. Customer returned to the dealer for a warr. repair. Dealer is not willing to accept an outside diag... Trouble codes: P0351 (Ignition Coil 1 Circuit).
1993 Ford F-350 XL 7.3L diff/t-case VIN: 2FTHF36M5P
Thanks to everyones reply,after checking both diff's top to bottom,axles etc..Pulled more info from customer above new frt driveshaft he had installed 6 months prior rebuilt at a co. i had never used,he agreed to let me put in new drivshaft and roadtest 85% be...
1999 Ford Taurus LX 3.0L high idle in park VIN: 1FAFP53VOX
changed tps sensor & cleaned thottle plate again. problem has not yet returned after two weeks of driving. problem appears to be with tps or wiring harness. thanks for all the help on this one.
2000 Ford Focus LX 2.0L MIL Lamp on VIN: 1FAFP33P8Y
Well thanks for all yous guys help, I also got some education from Tim [...](thanks!) on how ecu learns BARo...Plugged in couple days ago, Vehicle has had no light back on or codes set, and LT fuel trim is 6% -- yay!!! Combo of small things fixed and a matt... Trouble codes: P0171 (sys. lean bank 1).
2001 Ford Ranger XL 3.0L MIL Lamp on VIN: 1FRRI583NG
hi all, i got a number of responces and checked them all out. some said the intake gaskets and some suggested the maf sensor(replaced) and some said dirty injectors. the truck does not use any oil and the crankcaser duilds up pressure if the pcv and the othe...
2004 Ford E-250 4.6L Misfire, MIL Lamp on VIN: 1FTNE24WX4
Thanks to all for the help. It was the PCM as I suspected. Traced every wire in this vehicle. Nothing found to warrant the failure. Trouble codes: P0351, P0352, P0353, P0357, P0325, P2196 (afr 02 sensor rich).
1993 GMC C1500 Sierra 4.3L Hesitation, Lack of power VIN: IGTDC14Z8P
Hello again; well, still working on this pickup; it's been awhile since it has become a fill in job when there's spare time. Anyways, after a few responses mentioning fuel pressure, an new gauge was purchased and installed, still, a steady 11 PSI while cruisin...
2000 GMC Savana 3500 5.7L steering wheel VIN: 1GDJG31R3Y
Thanks for all the information. The problem was a combination of a warpped rotor and the steering gear box. Machined the rotors even though there was no peddle pulsation. I adjusted the gear box. That solved everything, the van has been great since. Thanks aga...
2001 GMC Yukon XL 1500 SLT 5.3L Misfire VIN: 3GKFK16T81
hello group we went ahead and replaced the lower intake gaskets and while in cleaned injector tip and washed out fuel rail, short term fuel trim now around 0 as before, long term fuel trim now around 3, vehicle runs great on cold start up no more misefire. wou... Trouble codes: P0300 (random misfire).
2001 GMC Sierra 1500 SL 4.8L Poor Idle Quality, Misfire VIN: 2GTEC19V51
Hey guys first thanks to all for your fast replies... This truck had multiple problems Turns out the right bank O2 sensor was sticking lean causing that bank to run rich and cause misfires and lean codes on that bank... I found this buy switching the front O2s... Trouble codes: P0171 (Lean Bank 1), P0174 (Lean Bank 2), P0300 (random misfire).
1991 Honda Accord EX 2.2L Steering VIN: 1HGCB7668M
replaced the speed sensor,the vehicle now has assist at idle thanks alot for the info ken
1992 Honda Accord EX 2.2L Electronic VIN: 1HGCD7671N
Thanks Dale and so many others. Almost all of you were right on the money. I got 11 replies. I removed the cover to the tcm and it was burned. Replaced it and now the d4 light works and the trans shifts fine. Also the park lock works as well. What a big help y...
1998 Honda Accord EX 3.0L remote central locking VIN: 1HGCG2256W
To all who sent me info on synchronizing the remote to the new multiplexer unit : THANK YOU !! IT WORKED PERFECTLY! I did the key on push lock thing 3 times, and the door locks cycled, and the trunk button on the remote now works, where it did not before repla...
2000 Jeep Cherokee Classic 4.0L Cooling Systems VIN: 1J4FF58S8Y
Great News! We have found the concern and Know that is is either a head or head gasket problem. We removed the valve cover and discovered a lot of milky oil and even a puddle of green coolant near cylinde 4. The bad news is that the customer does not have mone...
2002 Jeep Grand Cherokee Limited 4.7L blend doors VIN: 1J8GW58N82
with 24 people saying that they have seen broken doors. I am going to send this one to the dealer to get done. My students are not ready to remove an entire dash and reassemble without rattles. thanks to all for your help.
1999 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1245X
Well it looks like this is finally fixed. As I was beginning to suspect by the time I posted the update, and as some of you suggested, both of the aftermarket MAFs would consistently set the spurious codes while the original MAF would consistently set the more... Trouble codes: P1884 (CAN message), P0103 (MAF high voltage), P0117 (ECT open or short to battery supply), P1172 (Bank 1 lean), P1175 (Bank 2 lean).
1998 Lexus LS400 4.0L Temperature Gauge VIN: JT8BH28F1W
Thanks to those who replied. Unfortunatly when the customer realized the car wasn't overheating they decided that it wasn't that important to repair. I still don't know where to get a reliabe wiring diagram that will tell me where to measure the signal to the ...
2002 Mazda Millenia 2.5L cooling system VIN: JM1TA22132
We fixed this one. With all your suggestions I was able to fix the car. The common censes was air trapped in the cooling system, and there were some thoughts of a bad thermostat. I decided to replace the thermostat again and I drilled a small hole in it as Joe...
1970 Mercedes-Benz 280SL 2.8L Mechanical VIN: 1130441201
Hey Guys...thanks (especially George [...]) for the prompt bail out help. The mill is back in the car and has survived some aggressive road tests without launching a conrod through the oil pan...no oil leaks either, so this one is a wrap. - Bernie
1993 Mercedes-Benz 300E 4Matic 3.0L No Start, COLD NO START VIN: WDBED30E2P
thank you for all of your help. we found a bad fuse in the overcharge relay. thanks again
1993 Mercury Cougar XR-7 3.8L new stereo VIN: 1MEPM6243P
Hello everyone, I would like to thank all respondents. Several people recommended re-checking both the Ford and Sony wiring diagrams. I checked the harness I made and it was wired correctly and had continuity. Many responses, including John from Florida reco...
1999 Mercury Cougar 2.0L Surge VIN: 1ZWFT6032X
thanks to all who replied to this help request. the owner of the car towed it to a car dealer and traded it. i still learned a great deal, have never seen this condition before. randy Trouble codes: P1381 (varible cam timing over advanced), P1383 (varible cam timing over retarded).
2004 Nissan Quest S 3.5L tire pres. mon. VIN: 5NIBV28U64
thanks for the help guys. the customer had to take his car, but i will try again the next time he's in. most of you advised that i check the pressure in the spare, which i will do. if that doesn't produce any results, i will probably send him to costco for nit...
1985 Porsche 911 3.2L Hesitation, Cuts out VIN: WPOEB0918F
Thanks everyone. Instead of extensive troubleshooting I tried two parts that are cheap, easy, and have high failure rates. The coil didn't fix it, but the DME relay (under driver's seat) did. What I thought was a stall caused by load was the contacts in the re...
2006 Suzuki Grand Vitara 2.0L RR wheel speed sensor malfunction VIN: JSAJTD54V0
I fixed the problem today. The problem was open circuit between rear rh wheel speed sensor terminal and corrosponding sensor terminal of ABS hydraulic/control module. I read the manual carfully and watched the diagram for this DTC. There are two wires connecti...
2000 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3GN86R9Y
Thank you Anthony. This vehicle was a California emission vehicle, and replacing the O2 with the correct oem sensor fixed our problem. Trouble codes: P0141.
2000 Toyota Tundra Limited 4.7L Poor Idle Quality, Cuts out, Misfire VIN: 5TBBT4812Y
Pulled valve cover to double check cam timing and found that camshaft sprocket keyway had also sheared just like the pass side but the bolt was still very tight. repaired cam and retimed engine. Now all is well. Thank you everyone for your input! ! ! ! !
2000 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C9Y
Thanks to all of the replies that made me feel braindead. After checking the correct O2 sensor and replacing it the van is fixed. Yes bank one is on the back side. Al Trouble codes: P1130 (O2 Sensor Bank 1 - Sensor 1).
1993 Volkswagen EuroVan GL 2.5L No Start, Cuts out, Stall VIN: WV2KC0708P
Thank God this one is fixed! Some replies suggested to check grounds and main relay, others fuel pump and ecm, but I had checked all of those already, [...] from Canada mentioned the wiring harness, I checked as much as I could without removing it from veh...
1999 Volkswagen Golf TDI 1.9L Mechanical VIN: WVWGF31J2X
Thanks for all the great resposnse Almost everyone said get the VW tools to lock the cam and injection pump. We were able to borrow them from a local shop the job went much better with the tools.
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