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1999 BMW 528i 2.8L outside temp sensor
hi all, car came in with outside temp reading -40, checked sensor,its missing. replaced with new sensor - plug/connector. still reads -40. jump wires blue/red - blue/brown it reads 122. blue/red wire has 3.5 volts key on blue/brown wire ohms ok for ground. can...		 View
2000 BMW 540i 4.4L Stall
Good evening BMW techs everywhere,I am 90% sure on this one but I need your opinions and experiences.This car ,the customer replaced his own air filter and forgot to plug the air mass meter harness.the harness got tangled in the water pump pulley and ripped it...		 View
1993 Buick Park Avenue 3.8L keyless entry/twilight sentinnal
Vehicle came in w/ keyless entry inop. System wouldnt go into program mode. Ran test and replaced RAC module. Also has twilight sentinal that never turns off unless turned off manually. Now keyless entry will go into program mode, but if vehicle sits for half ...		 View
1996 Buick Riviera 3.8L Poor Idle Quality, Stall, MIL Lamp on
We got this car the other day and it had a code p0102,Mass air flow circuit low.It had a new(reman by A1 cardone)sensor on it.Tested sensor for power and ground and both tested good.But,we had no output on signal wire.Replaced with new,reman sensor and still h... Trouble codes: P0102 (Mass air flow circuit low).		 View
1999 Buick Regal 3.8L MIL Lamp on
Mass Air flow code Rear O2 heater circuit code and the front O2 not switching codes were the begining of my problems. We replaced Mass Air flow meter and wiring harnes to sensor. We replace rear O2 sensor for heater circuit, Replaced front O2 sensor and was co... Trouble codes: 1133 (O2 Insufficient Switch of O2 sensor).		 View
2002 Buick Rendezvous 3.4L MIL Lamp on
i thought i would find a tsb on this, but havn't located it anyway the car was brought to me because the other tech could not figure it out. this is what i noticed. first there was no mil coming on like i was told. there were the codes p0121,p0122, p1122 then ... Trouble codes: p0121 (tps sensor problem), p0122 (tps low input).		 View
2003 Buick LeSabre 3.8L EBCM Module
Vehicle came in with ABS light, Red Brake light, and Traction control light all on. Scanned vehicle with Snap On Modis and retrieved codes C1214 & C1255. One of those indicates an internal fault in the EBCM, the other just indicates that the PCM has turned on ...		 View
1993 Chevrolet K1500 5.7L 3-2 Shift Solenoid
This 4L60 goes into limp-in after driving 5 or 6 miles and sets a code 66- 3-2 Solenoid Circuit Fault. Power is fed on circuit 1149 from the transmission fuse to the solenoid, circuit 897 goes from the solenoid to the PCM and the PCM grounds it to actuate the ...		 View
1997 Chevrolet Camaro 3.8L no start
I am just making sure that the only information the pcm uses to set spark time is the crank sensor, and cam sensor failure would not cause the PCM to not turn on the ignition coil. I have a good crank sensor signal at the PCM, but no signal for spark timing ...		 View
1998 Chevrolet Malibu 3.1L security
Good day and thank you for the assistance, My "boys" swapped the engine in this car last spring at the local VOTEC where they attended. They also swapped the ign. switch from the car they took the engine out of. I know the engine ran good when they removed it ...		 View
2000 Chevrolet Silverado 1500 4.3L lack of power
this truck came in with a lack of power. i am the 3rd shop to get it. fuel pressure is 50 psi at idle which is to low. pinch the return line and it goes to 70 psi.i have replaced the regulator and main injector unit.fuel pressure when return pinched flustuates...		 View
2000 Chevrolet Camaro 3.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Thanks for any help. The engine backfires through the intake manifold on snap throttle. Little rough on cold start but clears up when warm, about 160 degrees. Coils all fire but computer shows misfires on all cylinders, but #4, 3, and 5 are the worst. Injector... Trouble codes: p0300 (Random Multiple Misfire).		 View
2001 Chevrolet Impala 3.4L Instrument and radio lighting
Customer states instrument and radio lights go out intermittently. I checked all power and grounds. They are working fine now. Is there something that I might look for that causes this intermittent problem. Thanks, Bob		 View
2004 Chevrolet Suburban 1500 5.3L oil pressure
GM techs please help!!Car came in with low oil pressure warning displayed on cluster. Tool a manuel reading and had six lbs at idle. Will max out at about 25 lbs at high RPM. Replaced oil pump and sending unit, still have same problem. There is no engine knock...		 View
2004 Chevrolet Cavalier 2.2L No Start, MIL Lamp on
Hello fellow techs, This was brought in as a no start, customer drove it in. Along with the codes listed, the head scratcher is that the milage currently states 18426 miles. At 6/5/08 we did service, the milage was 66233. The current oil change sticker on the... Trouble codes: P1631 (Theft-Password incorrect), U1064 (Loss of communication BCMDIMSBM), U1000 (Class 2 data link fault), B2960 (Passlock cylinder data incorrect), B1000 (ECU malfunction).		 View
2006 Chevrolet Cobalt 2.2L Cylinder head
Hi everyone, I'm just looking for a little advice here. I've been teaching for the last 10 years, but I've jumped back into the pool, and unfortunately I haven't been keeping up to date as well as I should or could have with the newer vehicles. I am looking at...		 View
2006 Chevrolet Silverado 1500 HD 6.0L unknown
when making a three point turn a binding noise happens when turning slowly right. noise went away after lubing front end. customer came back and said it was fine for a couple of days but started again. i can no longer duplicate the noise. i checked other posti...		 View
1995 Chrysler Sebring 2.5L No Start, Stall
this is a personal car of mine. i have been trying to figure this out for about two years now. i have replaced the disturbutor twice and fixed the problem. this time it didnt help. ive tested everything from computer signal to dist,crank,cam to full pressure. ...		 View
1996 Chrysler Sebring 2.4L Surge, Cuts out, MIL Lamp on
I inherited what I suspect has been an ongoing problem. When engine is cold or hot it will start and idle fine. On a cold start you can only throttle it to 1700 to 2000 rpm, and it begins to stumble and cut out almost but not quite like hitting a rev limiter. ... Trouble codes: P1391 (Intermittant Loss of Cam or Crank Signal), P0352 (Ign Coil Primary 2 Circuit).		 View
2001 Chrysler Town & Country (Van) 3.8L Poor Idle Quality, Stall, Misfire, Poor Fuel Economy
HELLO TECHS and thanks in advance for your ideas.I have an 01 town & country that is dumping so much fuel that i have gas dripping from converter,KOEO ground check good and power to pcm good,8 volt ref good,5 volt ref only 3.74. tps .52; start van and coolant ... Trouble codes: PO122 (tps voltage low).		 View
2002 Chrysler PT Cruiser 2.4L No Start, MIL Lamp on
I am helping engine man with this one, Car came in no start. head gasket blown. He repaired. Would not start. He found crank sensor and connector melted. He replaced sensor and repaired connector. still no start. I checked and replaced with new connector, also... Trouble codes: p0320 (p0340-), p0340.		 View
2002 Chrysler Concorde 2.7L MIL Lamp on
Vehicle came into shop with P0155 B2S1 heater malfunction. Sensor tested bad, replaced sensor and released vehicle. MIL returned several days later. P0152 stored all O2 sensors flatline @ .3V, replaced B2S1 with known good and sensor switched fine, 3 other sen... Trouble codes: P0152 (O2 sensor voltage high B2S1).		 View
2004 Chrysler Town & Country (Van) 3.8L Poor Idle Quality, Cuts out, Stall
Hello:I have this van that will barely run it misses has no power and will not idle.Put scan tool on it and i have no voltage readings for the tps on the scan tool.I ck'd for 5v reference and ground at tps conector both were fine backprobed signal wire at tps ...		 View
1998 Dodge B1500 3.9L Misfire
need help on this one, dodge ramvan 98 3.9l v6 does misfire on cruise on all cylindre especialy on #1-3-5 cyl. change intack gasket because of leak, cam and crank sensor ave been already change from another garage.already clean injector and see them work prope... Trouble codes: p0300 (p0301-), p0301 (p0303-), p0303 (p0305-), p0305.		 View
2001 Dodge Grand Caravan 3.3L No Start, Hesitation, Stall
HELP! have been trying to fix for days van will start and run every other key cycle. runs bad on other cycles		 View
2002 Dodge Grand Caravan 3.3L MIL Lamp on
as usual ses lite on ...scanned for codes has PO455 EVAP.EMISSIONS GROSS LEAK DETECTED ... have checked all hoses and connections tied to press test but the vent valve is leaking under the trans and the vent filter by the steering column is leaking ... any ide...		 View
2003 Dodge Grand Caravan 3.3L No Start, MIL Lamp on
Car towed in no start check for spark - none. check codes P0351, P0352, and P0353 Primary coil circuit. Have hooked up noid light to fuel injector and flashing. I have been on line with identyfix and they say to check a diagnostic junction port by DLC but have... Trouble codes: P0351 (primary coil circuit), P0352 (coil circuit), P0352 (coil circuit).		 View
2000 Ford Focus 2.0L No Start
Hi I have this 2000 Ford Focus that has been towed in as a no start. It will crank up and idle very rough for a coulple of seconds then die. If you try to give the car some throttle it will imediatly die. I checked the fuel pressure and key on engine off is 35...		 View
2003 Ford E-250 5.4L tcc solenoid
Trans is hard shifting with loss of power. Check engine light comes on then over drive stops working. I found that at the tcc it has 3.48 volts at all times needs to be less than a volt. I think pcm but retesting wires again. I have replace two tccs. help I'm ...		 View
2004 Ford F-150 Heritage 4.2L no spark
hello ,I have this f 150 towed in crancks fine and has new battery,fuel pressure good,did not get a chance to ck for injector pulse,had no spark,the vehicle will start now,no codes,(anti theft,or key?)when I turn key on red anti theft light comes on and then i...		 View
2004 Ford F-250 Super Duty 6.0L Rear main seal
this truck came in with an oil leak at the rear main seal. the rear main seal was replaced by another shop. we have never done this repair and we are not sure which way the seal is installed. does it go in with the lip exposed to the rear? there is a special t...		 View
2004 Ford F-150 5.4L Misfire
greetings to all i have a ford pick up truck here that has a misfire.previous shop has replaced all spark plugs with i believe are champion the one piece plug.they removed all the broken plugs and installed these.two days later customer comes back with a miss ...		 View
2004 Ford F-150 5.4L starter
Hi, all, This '04 F-150 pickup with 5.4L starter misses the flywheel when first cranks. The starter has been replaced, but still has the same problem, which is intermittent. There's nothing wrong with the flywheel. There are no service bulletins for this prob...		 View
2003 GMC Yukon 4.8L fuel & charging guages
this suv came in for fuel & charge guage incorrectly reading. both guages needles are rotating 360 degree and stuck in certain spot as it was biding and cannot continue to rotate. when turn the ignition on, first it might show correct reading, fuel guage may s...		 View
2005 Honda Accord 2.4L wheel bearing
hello all i have this accord that is driving me nuts. this vehicle has a wheel bearing type noise that starts @ 65km per hour and continues to get slightly louder with speed and very noticable @ 110 km per hour. i have done all checks for wheel bearings and c...		 View
2002 Hyundai Elantra 2.0L cooling fans
Hello all, This Hyundai came in on a flatbed after an overheating event on the road. I pressure tested cooling system and find no leaks so I drove the car and now it does not leak or over heat so will replace the thermostat and test drive again. My real questi...		 View
2001 Infiniti I30 3.0L No Start
car has a no start condition smell of burnt elect. removed computer and found it had smoked pin tested computer pin all seemed ok plug in new computer and smoked that 800.00 computer also any one seen this problem help		 View
1999 Jeep Wrangler 4.0L Poor Idle Quality, Surge, MIL Lamp on
Hi guys, this one has me puzzled. Jeep came in a few months ago, code for front o2 sensor replaced. came back a week later light on, code for rear sensor, which had been replaced 8 months previous. Replaced rear again. Came back light on, code p0138. Customer ... Trouble codes: P0132 (b1s1 shorted to voltage), P0138 (b1s2 shorted to voltage), P1495 (leak detection pump switch).		 View
2000 Jeep Cherokee 4.0L odometer reading
Its been a while for here on IATN I've checked the connectors for tightness they seem good, but customer states odometer goes blank at times but I have been unable to duplicate, is it safe to bet its the cluster itself and the driver internally? Right at this ...		 View
2002 Jeep Grand Cherokee 4.0L Inst Cluster
Hello to all again...Have a PCI bus issue here...Im quite perplexed at this point...Complaint: After driving a while(10-15 min) All guages on cluster inop..security indicator on, and temp gone from overhead console. Have verified complaint, and noted that even...		 View
2002 Jeep Liberty 3.7L MIL Lamp on
This Liberty came in with the check engine light on (p0500) & and no speedometer operation. I did a sweep test with my scan tool which passed. I then replaced the speed sensor at the rear differential with a Mopar sensor and cleared the codes. The speedometer ... Trouble codes: P0500 (Vehicle speed sensor).		 View
2003 Jeep Grand Cherokee 4.7L Cuts out
Jeep came in rough idle. Warmed up vehicle, died after 15 minutes. Scanned motor, crank sensor code. Replaced crank sensor, Jeep ran then died again, Code P0303, coil module #3 burnt and cracked. Replced coil module, no start, traced wiring, wiring ok replced ...		 View
2005 Jeep Wrangler 4.0L No Start, MIL Lamp on
I have a 2005 Jeep Wrangler Rubicon wita a 4.0L and a manual transmission.. This vehicle will not start or run and the starter relay will not send a signal to the starter solenoid and the fuel pump relay and asd relay will click irratically but not stay on. Wh...		 View
1997 Kia Sportage 2.0L driveshaft
I drove this Sportage with the customer and when the vibration started at about 40mph I grabbed the steering wheel with two hands. I checked and found the front u joint was very worn. Installed napa joints and they seemed loose. Vibration was 40% better. So th...		 View
2007 Mazda 3 2.0L Mechanical
Please help! I'm going on vacation in three days and won't be able to relax if I don't get this fixed. Vehicle came in for an overheating concern. A block test revealed combustion gases in cooling system so we proceded with head gasket replacement. After getti...		 View
2000 Mercedes-Benz S430 4.3L Air suspension
Vehicle was towed in on it's bump stops. has following codes: C1337-level control valve rear right Y36/6y4 component error. We found the compressor to have gotten hot enough to leave a carbon track around the wiring, and somewhat melt the harness. we replaced ...		 View
2002 Mercedes-Benz CL55 AMG 5.5L trunk
i have 2002 mercedes cl55 trunk open halfway i dont see any leak Hydraulic systern but i notice Hydraulic pump stop when the trunk halfway is this pump prolem or something ? i never work to this systern before thanks for the help		 View
1994 Mercury Sable 3.8L Poor Idle Quality, Misfire
cyclender #1 miss fire. compression dry 95 lb, wet 115 lb all ing wires are good tested all fireing ok. removed spark plug tested with wire connected spark plug fires, neww cap and rotor and still missing on #1. please help i feel like i am brain dead on this ...		 View
1999 Mercury Sable 3.0L Misfire
Hi out there in need of help again. I have this mercury that I really don’t have that much info for you but will the best I can this car will go into a vibration / soft jerk or surge feeling at35 -60 mph or in 3 and 4th gear it will even do it at this speed wh...		 View
2002 Mercury Mountaineer 4.0L Steering
driving vehicle is ok till you try to turn.steering binds when turning, starting at @ 60 degree turning radius.mainly during a parking lot maneuver,it binds and stays in a bind till you give it gas.needing some ideas on what to look for, any help out there wou...		 View
2001 Mitsubishi Montero 3.5L transfer case
Hello Mitsu Fans I have a strange one hear... This vehicle has the c/d (center differantail)lock come & flash after a 16-17 mi test drive. This is not an approximate, you can set your trip meter by it . Once the light comes on it has to be reset by a key cycle...		 View
2004 Mitsubishi Eclipse 2.4L Poor Idle Quality, Hesitation, Misfire
Vehicle acts like a misfire, Idle speeds @ 650 to 700, Has a pending code p0507. When the vehicle is put into drive the vehicle runs rough and feels and acts like a cylinder misfire, Ran a cylinder balance test, and leak down with no problems with the mecanica... Trouble codes: p0507 (idle control system RPM too high).		 View
1987 Nissan Pathfinder 2.4L No Start
No spark from the intake ignition coil. Exhaust spark is fine.(8-plug head) Fuel pressure is good but will not start on its own. Can get it to start and idle on carb cleaner. Have replaced the computer, coil, ignition module, which fires the coil, with no succ...		 View
1995 Nissan Altima 2.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on
Hello I need some help with this nissan please! Car came in on the hook, cranks wont start. Pushed it inside opened hood and noticed coil was unpluged, pluged it in and car started but would misfire and die. Also noticed customer had installed a new distributo... Trouble codes: P0335 (Crankshaft position sensor circuit malf), P1336 (Crankshaft position sensor unable to read flywheel), P1320 (testing and results).		 View
1998 Nissan Sentra 1.6L battery
this sentra de-charges a battery in a matter of hours there is a huge draw with key off all doors and accessories turned off. when i pull out the 7.5 amp fuse for the ecu the draw goes away. what else should i be looking for on this circuit the ecu is the only...		 View
1999 Nissan Pathfinder 3.3L brake pedal
car came in with soft pedal @ first pump but then after the second pump while the car is running or in drive the pedal becomes harder and more normal ... checked for codes and just get 1 quick flash of abs light. originally changed master cylinder checked and ...		 View
2000 Nissan Quest 3.3L lf & rr
vehicle came in with rf hanging up. we recommended new calipers and hoses. did them and now the lf and rr hangs up. loosening the line at the master let them turn. we replaced the master with no luck. Is there any problems with the abs unit on these?		 View
2004 Nissan Altima 2.5L No Start, Misfire
problem ; car came in on towing, 3 coils were melted (1,2,3) and three way catalytic converted blocked, replaced cat , ecm, and coils. let car run , everything ok , let customer go with car. one week later came in on towing , ecm burnt , rpl ecm , coils melted...		 View
2001 Oldsmobile Alero 2.4L ignition
This car sat for around 6 months.Customer finally got enough money for us to work on it.Put ignition lock cylinder in and did a relearn.Car would not start so i took the ignition module from another car to try and car started right up.Sat and ran for a aout 30...		 View
2000 Plymouth Grand Voyager 3.0L Surge, Cuts out
Hi This voyager has an issue where driving down the road and the speedo will start fluctuating all over the place. the faster I go the worse it gets. Speedo will start pegging out at time past 120 mph then rev limiter will kick in Evey time it pegs out. I lab ...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura EL 1.7L Cooling System
Thank you to everyone for your replies. Many of you asked whether I changed the rad cap, I did replace it but since this was an aftermarket rad a new honda cap would not fit, so I replaced it with a aftermarket cap and the problem was still there. I also veri...		 34
2003 Acura MDX 3.5L Unknown
thank you to all that replied to this post, as most of you said, the problem was in the transmission. found the fluid to be as black as the engine oil, advised the customer of the probiblity that a new trans may be needed. customer wanted to try a fluid exchan...		 12
1987 BMW 325i 2.5L Poor Idle Quality, Hesitation, Surge, Stall, Poor Fuel Economy, MIL Lamp on
thanks to all who tried to help with this car from hell, the fix ended up being a new set of plug wires!!! I know it sounds hard to believe. apparently the wires were sending out an rf signal that was making the ecm unhappy. Never would have believed that woul...		 19
1994 Buick Regal 3.8L Stall
car is fixed! i was testing iac motor with remote iac actuator tool,checking throttle bore for restrictions etc,anyway while i was fooling with iac motor area i smelled gas,noticed the fuel pressure regulator was leaking around retainer clip,also leaking out o...		 24
1998 Buick Century 3.1L Surge
Ok i did a 30min cycle with the motorvac to clean injectors and decarbonize. problem could still be felt. Yes vehicle is in closed loop and tps & ect are steady, a/c had no effect, as stated before also problem present with maf disconnected. I would have liked...		 20
1992 Chevrolet K3500 5.7L every gear
Everyone was right about the drive gear turning the same speed as the engine Thanks for all the help We desided to install a new clutch and pressure plate, but that did not help. How sound will travel the problem was in the rear axle the bearing cap had a crac...		 12
1995 Chevrolet C2500 6.5L High Oil Pressure
Customer has declined any further work but most replies say to replace the oil pump that it has a pressure relief valve in it that may be clogged. Thanks Cliff		 7
1997 Chevrolet K1500 Suburban 5.7L Misfire
THANKS FOR ALLYOUR HELP. CAME IN SAT CLOSED THE DOORS SO NO ONE WOULD BOTHER ME AND COULD FOCUS ON THIS VEHL...FOUND FUEL PRESURE DROPPED KOEO TO 52PSI AND DROPPED T 45 KOER .CLOSED OFF RETURN PUMP ABLE TO SUPPLY 70 PSI . RPLACED RGULATOR AGAIN WITH AFTERMAR... Trouble codes: P0300 (ran cynl miss fire).		 17
1999 Chevrolet Silverado 1500 4.8L start & stall
I received a few potentially useful replies to my request. I had several references to the tech2 from members, i just havent ever had to have one for passlock relearn before and dont feel that it would have helped in this scenario either. It was suggested I ch...		 10
1999 Chevrolet Malibu 3.1L ABS Module
well, the customer declined any further repairs regarding the ABS issue. However, we replaced the front rotors after we machined the originals, and the base brakes improved. thanks for all who replied and read the article.		 3
2001 Chevrolet Impala 3.8L No Start
First, the fix for this car involved a complete understanding of the ignition system which was dicussed in great detail in a forum that is posted now in technical theory. Here's how it went down. After isolating the ICM from any outside forces by remov...		 18
2002 Chevrolet Tahoe 5.3L lines
thanks for the many replies,all but two said the only fix was a double flare and it helped convince the store manager the only fix is the best fix,esp on brake sys. having to wait one more day to replace the lost 1/4" adapter in my flare tool was no big deal,t...		 42
1993 Chrysler Town & Country (Van) 3.3L No Start, Cuts out, Stall, MIL Lamp on
First of all, I will reiterate that this was a 97 T&C (not a 93 as I erroneously posted). Thanks to all who contributed knowledge. This vehicle is presumed fixed. Several members suggested that the solder joints that attach the connector body for the ipc we... Trouble codes: P1695 (lost communication with bcm).		 8
2001 Dodge Grand Caravan 3.3L compressor
Was unable to fix this van. I can only assume there is some missing information that can only be retrieved with a DRB scan tool. This 2001 van must be right at the year change from one design climate control system to another. About 90% of responses spoke of a...		 25
1992 Ford Explorer 4.0L Starter
Thanks for all the replies. The problem was in the wiring. However a different connector was where the short was happening. I trace the wiring from the Neutral safety switch up to inside the engine compartment but was looking at the wrong wiring. The one ...		 8
1992 Ford F-150 5.0L No Start
well i finally got my old truck running again. may not be the proper way but what the heck. i went across the highway from the dealership and borrowed a manual from a ford dealer. when i got home this evening i went to work. i didnt have time to look through t...		 14
2002 Ford Taurus 3.0L No Start, MIL Lamp on, no crank
Well I took and plugged a test computer into the vehicle and the check engine light is now bright and the theft light flashes with the key on. The computer was not programmed to the vehicle so I know this is why it is flashing. Customer did not want to put the... Trouble codes: xxx (No communication with any module).		 4
2003 Ford Taurus 3.0L MIL Lamp on
Got a number of good replies-learned a lot such as why the fuel pressure on the scanner and the gauge reading are not the same-you have to disconnect the vacuum to the rail sensor and then the readings should match-the fix ended up being a new ford air filter ... Trouble codes: P0172 (fuel trim rich), P0175 (fuel trim rich).		 11
2004 Ford F-350 Super Duty 6.0L No power
Well I can't believe such a small exhaust leak could cause such a loss of power! We removed the turbo and took it apart- wanted to make sure that the turbo was good inside. Everything looked good so we put it back together and noticed that the pipe was leaking...		 5
2006 Ford F-350 Super Duty 6.0L Hesitation, no accel / power
ok, since this my second post on this vehicle i will make this a little short... if you look, you could prob. find my other post as well. the vehicle was returned to me with the same problem. no power at all times and after a long cold soke, engine would stu...		 7
2006 Ford Mustang 4.6L ABS module
Thank you for all the replys . We did not have any wiring problems but a intermittent communication problem. After clearing a few body related codes to lights and re-road testing the car was able to clear u 0073 code, ABS and traction control lights stayed of...		 5
2002 GMC Sierra 2500 HD 6.0L Misfire
Thanks to all that replied. Reprogram pcm and perform crank relearn was the fix. We tested inj and removed to check for trash. rechecked intake gaskets. checked exhaust back pressure. With the help of a locall gm dealer we were able to fix. They were as stumpe... Trouble codes: PO300 (multiple misfire detected).		 9
1994 Infiniti J30 3.0L engine
Hello all, thanks for the input but the cust may have abandoned this veh. He will not return phone calls or stop in. keith and john wondered about a poss bent rod. I did check the piston height before posting but did not think to mention it, sorry. Rick and Ma...		 5
1998 Land Rover Discovery 4.0L Engine
As it turns out it did have a rod knock. Thanks for all your responses. The engine was not that dirty, but it delevoped a good knock on #6. The problem wasn't as obvious as I expected it to be upon first inspection. Now just waiting on a customer decision. Aga...		 4
1998 Lincoln Mark VIII 4.6L Misfire
Well after checking and rechecking I found that #7 cylinder was misfiring we replaced that coil on plug assembly and problem went away. A really dumb system. normally ford would have set a code for this,		 16
1994 Mazda Protege 1.8L left front cv axle
Thanks to everyone whom replied, tried several different methods, and finally decided to just replace cv boots with the inner cup in car. Thanks again, Michael		 16
1978 Mercedes-Benz 450SLC 4.5L No Start
Thanks for all the help. Most everyone felt the accumulator may have been the concern however it was not. After checking and re checking everything from c.o levels to vacuum leaks and system/ fuel pressures we could not pin point the concern. I am sorry to hav...		 13
2001 Nissan Altima 2.4L MIL Lamp on
AFTER SEVERAL HOURS OF TESTING I FINALLY FOUND THE PROBLEM.IN MY INITIAL POSTING I MENTIONED THIS CAR CAME FROM ANOTHER SHOP,THEY HAD CHANGED THE CANNISTER PURGE VALVE,AFTER MANY SMOKE TESTS I DECIDED TO START CHECKING THE VENT SOLENOID AND THE CANNISTER PURGE... Trouble codes: PO1441 (small evap leak), PO455 (large evap leak).		 9
2004 Nissan Titan 5.6L manifold
Completed this job with successful results. Both manifolds were cracked also. Cant say I will jumping with joy next time I have a customer come in with this issue. Thanks for all you guys do.		 9
1995 Oldsmobile 88 3.8L Interior Lights
Thanks for all the help and suggestions. Steve from New Mexico had the best idea of finding the branch point and individually fusing each branch with smaller fuses. Great Idea, that pointed me in the right direction. That direction led me to the passenger ...		 9
2006 Pontiac Grand Prix 3.8L MIL Lamp on
well the vehicle left today. it turned out to be a dirty maf sensor. i pulled it and cleaned it. i do not understand how that made a difference but it did. thanks to all that sent help. i just needed some more ideas. vehicle passed deq emissions on saturday. Trouble codes: PO053 (o2 sensor b1s1).		 3
2004 Saab 9-3 2.0L Water pump
Thanks for all the help. Per recommendations we purchased the "half-moon" tool Lisle #[...] for about $30.00. The OTC tool appears to be #6616 (about $60.00) and is a full circle tool like the Kent Moore J-43651(about $200.00) As noted in several of the rep...		 7
2002 Subaru Outback 3.0L compressor
After checking all inputs to control module to be sure that nothing else was out of whack, I applied power to the ecm switch input and found that the compresor did come on but shut off after about 10 minutes and the ecm locked the a/c form working for that ign...		 3
2001 Toyota Sequoia 4.7L pings
I will close for now. Thanks to those who responded. We do not have an egr valve on the car as some thought we should check - all basics were examined and all were found in order, exhaust was replace by the customer will free flow items, knock sensors tested g...		 6
2002 Toyota Tundra 3.4L drums, rotors
A big thank you to all who replied. As suggested I turned the rear rotors and the problem was fixed. I did find that the right axle was bent just a little but turning the rotors was enough. Thanks again. Claude		 12
2000 Volkswagen Golf 1.9L MIL Lamp on
Thanks for the thoughts. A couple of replies were addressing the turbo even though we knew what was causing that code, the vane adjustment lever is frozen in the low boost position. The other replies confirmed our suspicions that the pump is bad. What we disco... Trouble codes: P1562 (Quantity adjuster upper limit reached), P1556 (Charge pressure control negative deviation).		 4
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