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Help Request Answers
2003 BMW 318i 1.8L Excessive Emissions, Hesitation, MIL Lamp on
Help required from BMW technicians. Bimmer stuck below Mount Everest... We are not familiar with BMWs as there are probably 20 in all in the country. We are voluntarily helping fix this vehicle for another repair facility as information is very difficult to c... Trouble codes: B1214 (Variable valve gear monitoring).		 View
1995 Buick Regal 3.8L Starter
I changed the starter motor and nothing happend , I hooked it up to the modis and it didnt give me anything, i then realized the security light was on. So I ran some more tests. Long story short the security device wont allow this car to start. I need help ! h...		 View
1997 Cadillac DeVille 4.6L battery
please help!!!My tech and i are going bald with this one.I have been scoping out fellow members input on related symptoms.(ed zandee) due to very similiar symptoms,pzm will not power down, data in pzm shows ign switch in acc. position with key off and removed....		 View
1997 Cadillac DeVille 4.6L MIL Lamp on, High idle
Hi guys, I have one here that is leading me to the PCM, but wanted to ask you all first. This car comes in with a SES, and customer complains of a high idle. I never had it have a high idle for me and the test proceedures all tested out good. So the customer h... Trouble codes: p0122 (TPS voltage low), p1122 (Int low TPS voltage).		 View
1997 Chevrolet Venture 3.4L Hesitation, Misfire, Trim
Got a tough one here. Vehicle originally came to shop with customer reporting an intermittent cold start hesitation that would go away after a minute or two of driving. Inspected engine for obvious problem and none evident. Scanned ECM and one code stored for ...		 View
1998 Chevrolet S10 2.2L No Start
Hello everyone, Hope someone can help me with this problem. A couple of months ago, truck came in with intermitint no start and security light on. Scanned with solus, and recieved code 1631 body control module. Replaced body control module and had it reprogram... Trouble codes: 1631 (theft detterent system).		 View
1999 Chevrolet Blazer 4.3L differential/transfer case
Vehicle came in with loud clicking (rattle/clanking/clunking) noise from front left side of vehicle. Only occurs in 2WD when accelerating HARD(accelerate normally - no noise), (sounds like clank, clank, clank, clank, clank ... until you let off on gas pedal) p...		 View
1999 Chevrolet Monte Carlo 3.1L Unknown
Hey guys, my friends car has developed a knock/banging sound. i told him to check the oil and see if it was low, it was not, i told him to do a LOF with 20-50 to see if it would go away, it did for about 20-30 minutes. we had it running and i put my hand on th...		 View
1999 Chevrolet Tahoe 5.7L Misfire
I have a 99 Chev Tahoe that misses at idle.Cylinder 3,5,&6 show missfire with number 6 going to 189 count and resets and starts over , 3 goes to around 35 and 5 stays around 5 counts.I have checked for vauum leaks using smoke macine . no smoke anywhere. I plug... Trouble codes: P0300.		 View
2004 Chevrolet Impala 3.4L Misfire
Hello and thanks in advance for reading this. I have an 04 Impala with a 3.4 that misses at idle and just off idle with no load. This car will not set any misfire codes and won't show any misfire readings at idle however it will record current misfires just of...		 View
2003 Chrysler PT Cruiser 2.4L AC System
Vehicle came with no AC complaint, tests revealed no freon,leak at hose from comp. to cond.; have not replaced cause the diagnostic has not completed. Charged and compressor kicked in at pressures mentioned with fan not comming on, low or high pressure with a ...		 View
2001 Dodge Ram 2500 Truck 8.0L Surge, MIL Lamp on
Hey guy's this thing is driving me crazy. This dodge came in two yaers back with bad cats and a bad engine after all was repaired six months later it came back with a complaint of no power and surges but eventully takes off and goes. This happens mostly at low... Trouble codes: p0121, p0132.		 View
2001 Dodge Ram 2500 Truck 5.9L Proportioning valve
Hello to all and thank you for your time. A little over a year ago we did full brake service work to this truck. Front loaded calipers,rotors,rear shoes machine drums and flush brake fluid. The truck came back recently and the front brake pads are worn out but...		 View
2002 Dodge Durango 5.9L MIL Lamp on
vehicle came in with engine light on. customer stated runs rough and idle flucuates. code was po121 tps and map values incorrect. replaced iac valve and engine light came back on. smoke checked intake and no leaks found. vehicle runs really good with no notica... Trouble codes: P0121 (map sensor-tps difference at idle).		 View
1965 Ford MUSTANG 289CID frame rails
I was just wondering if anyone out in our world has done extensive floor and frame rail repairs on early Mustangs. I Bought this car for a song but its in bad shape the floors have been amaturly repaired with what looks like the sides of a refrigerator and the...		 View
1989 Ford Bronco 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
First this bronco is well mantained. the problem comes about when the engine reaches operating temp. It acts like the engine is skipping on a cylinder. when it is cold it runs fine with no problem. When it is running rough i can mist the air filter with starti...		 View
1997 Ford F Super Duty 7.3L cooling
we replaced compressor and drier and orfice tube and ac condenser, but yet we are still having same problem occur we replaced orfice tube 5 times and still we continue to get weak performance at idle any suggestions?		 View
1999 Ford Expedition 4.6L cylinder head
I recieved this Expedition from my customer after his wife sent it to another shop. She went to them because "we can fix it cheaper than anyone else in town". The only problem it had was the passenger side head gasket was weeping a little oil between the head ...		 View
2000 Ford F-350 Super Duty 6.8L Misfire
Hello All Ill make this short as possible... this Ford is a fleet truck that is used virtually used 24/7 on short runs and lots of idle time. It came in 3 days ago with a dead misfire...all plugs were worn out and # 5 plug was black. Cat converter was restric...		 View
2005 Ford Crown Victoria 4.6L Poor Idle Quality, Stall, MIL Lamp on, No Communication DLC
Hi everyone, I am really stuck on this one. Car came in with check engine light on. When I connected my Snap on there is no communication. I tried the same with the genisys 2000. I took it over to my friend's shop and still could not pull codes because of "no ...		 View
1998 Isuzu MPR BOX TRUC 5.7L Poor Idle Quality, Cuts out, Stall, MIL Lamp on
i need some serious help. this box truck had a new motor put in and since then it stalls, hard to restart. when it stalls the cam retard goes to '45 degrees and the esc counter goes to 234 counts. you can restart it then you have to rev the engine to get the c... Trouble codes: P1345 (camcrk correlation problem), P0341 (cam sensor out of range), P0325 (knock sensor problem).		 View
1997 Jeep Grand Cherokee 4.0L Surge
Greetings all, I have this crazy Jeep problem that just won't go away. First of all, the vehicle came in with 2 problems, one is over charging sometimes and surging when the vehicle is cold. We replaced the CPU for the over charging, fix the problem and was ho...		 View
2000 Land Rover Discovery 4.0L ABS computer
We work on this issue with ABS wheel sensors fault codes. First time we had code for left front wheel sensor. We installed new sensor with wire directly to computer (no connector on the way). From information on IATN and dealer, we discovered that there is a n...		 View
2003 Lexus ES300 3.0L power window
car came in with window inop. we replaced the motor and now it goes up to the top and down 1/2 way,but only when using the auto up.I have tryed another switch and a OEM motor with no changes.		 View
1994 Nissan UD1400 135CID transmission
Hey guys, not much experience on these box trucks, so your help will be greatly appreciated! As you're going up a hill the trans. will not downshift into any gears and it just goes into nuetral. you pull off the side of the road, shut it down and start it ba...		 View
1999 Pontiac Grand Am 3.4L Speakers
Well I am at home and didnt grab a test meter thought it would be simple to put some knew 6x9 speakers in the back of my Car and found out that stock speakers have 4 wires that plug in in two differnt connectors basically one set is for Bass and the Other for ...		 View
2002 Pontiac Grand Am 3.4L No Start, Cuts out
This Grand Am died on customer after cooled down it restarted , made it to our garage after to attempts , found that after vehicle gets up to normal op. temperature car dies as customer complained . found no spark replaced ign. module , car restarted then died...		 View
1983 Porsche 944 2.5L diff noise
Good morning guys ,I need some info before tear down this differential,I haven't done on this 944 before,any susgestions would help alot.Do I need any sepcial tools or any precaution when remove the diff.Thank you for all your replies.		 View
1986 Porsche 944 2.5L No Start, no spark
Hello, this is confusing. I have checked all the power and grounds to the main computer and checked what seams to be all relevent signals needed for the computer to ignite the coil. I have tried a coil and a second computer still has the same response. The Ref...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Acura Legend 3.2L engine
thanks to everybody who replied i got 21 rep and almost everybody said it was main relay unfortnately my customer never appeared after that he was thinking to getrid of the car maybe he already did		 21
1996 Audi A4 2.8L Stall, MIL Lamp on
Well I think it's fixed with a new temp sensor and cleaning the idle air valve. So far so good thanks again for the help.		 3
1996 BMW Z3 1.9L air bag light
We found the seat belt pretensioner bad on the drivers side. replaced the part, reset the light and all is good now. Thanks for the advice!		 8
2000 Buick Century 3.1L Mechanical
well as every single one suggested, the problem was in fact a clogged drain tube. i gave it a poke and a bunch of water and general ( motors ) goo came running out. thanks for all who replied and provided such accurate information w		 32
2000 Chevrolet Suburban 2500 6.0L compressor
First of all I am sorry for the delay in closing this post. My customer went on vacation and then I had a short vacation, but the vehicle is now repaired! Thanks for all who replied to my cry for help. I first had to obtain a Tech 2 scan tool to be able to rea...		 6
1994 Dodge Grand Caravan 3.3L No Start
advised customer of a cylinder low on compression and cracked radiator.he was advised of the need to replace of cam and crank sensor to continue diagnose.he decided to donate car.thanxs for all replys.		 5
1999 Dodge Ram 2500 Truck 5.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on
ok thanks for the help the intake was indeed leaking that took care of the lean out at idle the po443 was indeed a program fault Trouble codes: P0443.		 4
1998 Ford E450 6.8L MIL Lamp on, P0131, No Symptoms
I cannot post a fix yet as vacations--both customer's and mine--are preventing further analysis until late August, after this post will expire. I will update this request once I have it nailed, and I will nail it. Got three replies, all very thoughtful: I ha... Trouble codes: P0131 (Lack of HEGO switching lean limit HEGO 1-1).		 4
1998 Ford F-150 4.2L MIL Lamp on
hello all, i fixed this one...only after prying more info out of the owner. it seems that he had someone ??? pull codes for him and it had a egr code and this person also told him that the sensors go bad alot. so he went to the recycle yard and pulled one o... Trouble codes: p0401.		 14
1999 Ford Taurus 3.0L powersteering pump
im gonna try a pump than go to the rack lines are dry and tight.		 18
1999 Ford Windstar 3.8L starter
Dear Auto Techs. Sorry I'm so long closing this post. It took awhile to reach the customer; get authorized, keys made etc. I want to thank the 5 that replied to my request. One even gave a phone # and I talked to him on the phone. His suggestion was I could er...		 5
1999 Ford F-250 Super Duty 5.4L Timing
Hello, Thanks to all that took the time to help. I knew that I should do it right but I did not want to. But I decided to replace the chains,guides,tensioners,tensioner arms, crank gear and oil pump. The cam gears are pressed to the cam and are not replacable ...		 15
1996 Jeep Grand Cherokee 4.0L Coolant Sensor
The terminals on the connector had spread apart and needed to be replaced. Replaced Connector and sensor reading was ok		 6
1994 Mazda 929 3.0L valves
Yes, I had to bleed the lifters down. To do this I drained the engine oil and then slowly turned the crank by hand and let each lifter bleed down. Thanks for the help!!		 13
2006 Mazda B2300 2.3L Misfire, MIL Lamp on
Ran into a brick wall on this one. Replaced DIS coil and CP sensor for the third time. Car runs better with OLD parts, and runs almost 100% if you warm it up first. Replaced plugs and wires and left them in due to mileage on truck. Best advice I can give on th... Trouble codes: P0320 (DistributorIgnition Engine Speed Circuit).		 8
1979 Porsche 911 3.0L Chain Tensioner
Many thanks for all the replies especially from Greg [...] and Martin [...] who definitely assured me that the tensioners should be hard to compress from full length, and you should NOT be able to push the shaft in AT ALL by hand, if you can - REPLACE ...		 6
1997 Toyota 4Runner 3.4L unknown
well unfortunatly this one is not 100% fixed customer opted not to go any further some of the replyies i recieved where on drive shaft balnce front cv binding we did remove the front cv and opened it up looked ok wish i had a better answer and would like to th...		 12
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