Prev iATN Members TechHelp for July 16, 2009
Automotive Technical Exchange for the Automotive Repair Professional		 Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
1999 BMW 540i 4.4L camshaft timing
This 540i drove into the shop after weeks of driving with failed timing chain tensioner and broken center guide rail. All the nylon was worn off of center guide rail and chain was cutting into aluminum of fromt cover. We removed front cover, replaced chain, a...		 View
2001 BMW 740i 4.4L alarm
This one is very difficult to duplicate. I experenced it only once my self.The car can sit for a couple hours to a week and the alarm will just go off.The customer is a doctor with a practice here in NY and in flordia.so the car does sit for a week or two at a...		 View
2003 BMW 745Li 4.4L MIL Lamp on
Does anyone have info on these codes ??? Thank you for any info Bob Trouble codes: P1168 (obd2), 271A (bmw).		 View
2004 BMW X5 4.8L Ride height control
Hello my BMW pals; I am using my Autologic to set ride level adjustment but have no access to specifications and measuring points (fender edge to wheel center?). Help in this regard would be truly appreciated. Hope everybody is staying busy.		 View
2006 BMW 750i 4.8L Poor Idle Quality
to all BMW specialists. A friend of a friend will be bringing his 2006 BMW 750i to me to look at for a second opinion. so i am doing this as a favor for my friend. I have been advised that the dealer he was at wants to replace all 8 injectors, because they are...		 View
2007 BMW X3 3.0L MIL Lamp on
I have gt1 diagnostic tool and i can access to all the ecus on the car but i cant inside on dme motor electronics, some can tell me wich could be the problem, i try to test with another scanners and wont get comunication with dme ecu, Thanks, att. Xavier		 View
2008 BMW X5 3.0L maintenance rem
CAN SOMEONE TEll me how to reset the maintenance reminder/oil service? Do I need a scan tool? thanks.		 View
2003 Buick Park Avenue 3.8L A.B.S. module
I run this help request once before and was closed before the customer brought the car back but what it does at higher speeds when you first hit the brakes it goes into abs braking for a split second then stops fine when I pulled the abs fuse the condition wen...		 View
1993 Cadillac Seville 4.6L HVAC displays
Wife's Car (so is urgent) not all the time but more frequent HVAC displays go "--" dashes, first to go is outside temp reading (on right display) then left fuel data display goes out "--" dashes, then rest of screen on right display goes out "--" , HVAC system...		 View
2002 Cadillac DeVille 4.6L MIL Lamp on
Hi everybody! Thanks in advance for your help. 3 months ago, this cadillac came in for lack of power and for check engine light. The code was for secondary air injection problem on bank 1. The car was tested, and yes, it lacked power. The air check valve was p... Trouble codes: po410 (secondary air injection problem), po420 (catalitic efficiency out of treshold), po420 (catalitic efficiency out of treshold).		 View
2000 Chevrolet S10 Pickup 2.2L Hesitation
posting for another tech in shop. engine was pulled due to rod spun, afterwards the truck has developed a severe intermittent tip in hesitation. monitering scan data, the truck goes into open loop,the a/c comp cuts off,tp at 9%@,71 v, map fell to 4.7 v ,477 rp...		 View
2002 Chevrolet Silverado 6.0L Poor Idle Quality, Misfire
Thanks in advance for any replies. This ones got me scratch'n my head. 02 Chevy Silverado 6L, engine code U. Idles rough, intermittently, does not set a misfire code but on Tech 2 Scanner misfire graphic, all cylinders will show misfire intermittently. Fuel tr...		 View
2003 Chevrolet Silverado 6.0L abs/air bag light
TRUCK CAME IN WITH AIR BAG LIGHT ON. SCANED AIR BAG AND GOT U1000 CODE. wENT TO ALL MODULES FOUND WE COULD GET A DATA STREAM FROM ALL EXCEPT ABS MODULES. WITH KEY ON ENGINE OFF THERE IN NO ABS LIGHT ( THAT IS NO YELLOW OR RED BRAKE LIGHT; EVEN WITH THE EMERGEN...		 View
2003 Chevrolet Corvette 5.7L Stall
thanks in advance this zo6 will run ok then it will cut out the c.e.l traction control, air bag. the info display says service trac assist,service air bag,abs,the dash lites flicker like i am loosing power or ground. i have checked power and grounds all are go...		 View
2003 Chevrolet Venture 3.4L Key is not learned by pcm
Is there any way I can have a certain wave from too the pcm that I know its going right and to pcm for relearn.??? or suggestions.Thanks		 View
2007 Chevrolet Malibu 2.2L Misfire
This Malibu missfires under a moderate acceleration usually after rolling through a corner and then accelerating at the apex. Watching the missfire counter on the Tech 2 it racks up missfire counts on Cyl #1 ONLY in left hand turns and missfires on Cyl #4 ONLY... Trouble codes: P0300 (random missfire).		 View
1995 Chrysler Concorde 3.5L blower motor
This vehicle came in blowing hot air out of vents with heater control in the off position. I pulled the blower motor fuse to get the customer by until I was able to set the customer up with an appointment. Now the vehicle is back and the problem is gone, heate...		 View
1997 Chrysler Sebring 2.5L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall
after first checking compression found 1 cylinder leaking around valves and pulled head ..sent to machine shop and had worked..backside head #246..replaced and tried to start...car will start momentarily then stall and will continuie to do this until i spray s...		 View
2002 Chrysler PT Cruiser 2.4L cooling system
over heats cooling fans work. acts like it has no flow.		 View
1993 Dodge Caravan 3.0L emission
car came in beacause it failed smog. ran it on the machine and saw these readings HC:162 NOX:301 C0:2.80 CO2:13.2 02:0.0 it is a gross polluter for the state of ca for high co. it is obviously running rich and i cannot figure out why. i did a fuel pressure tes...		 View
2000 Dodge Grand Caravan 3.3L Misfire, MIL Lamp on
car cane in misfire , i replace complete tune up . cam . crank senser fule pump coil pack slill misfire set code set p1391 Trouble codes: p1391 (cam crank senser).		 View
2001 Dodge Stratus 2.4L Instrument Cluster
After sitting in the Texas sun the odometer & prndl flicker. Pulled cluster. Has proper powers & grounds @ instrument cluster. Sent out for testing & repair. Found bad solder joints. Repaired & reinstalled. Customer returned 3 days later with same issue plus, ...		 View
2003 Dodge Dakota 4.7L tachometer
My cust is complaining that at cruising highway speeds that his engine fluctuates about 200-300 rpms. He can hear the engine rev and the tach goes from about 1600-1900 when this happens. I cant get it to act up for me and am starting to wonder if he is crazy. ...		 View
2004 Dodge Stratus 2.4L No Start
Car came in no start. After a couple of hours checking powers & grounds, found open wire to ignition coil power from ASD relay. Spliced in wire outside harness, now have power to coil. Found one quad driver for ignition coil bad, one OK. Running on 2 cylinders...		 View
1997 Ford Taurus 3.0L radio, windows
Radio quits (only the sound, display stays lit) when drivers door power window or door lock swithes are used. Engine must be running, will act up more consisantly in reverse or drive...regardless if the tranny range switch is hooked up or not. Operating any of...		 View
1997 Ford Econoline 4.2L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy
I replaced the head gaskets because of a antifreeze usage issue. I ran the van for about an hour and I determand that it has no power and the exhaust manifolds were cherry red. I am eliminating the fact it could have jumped time due to the high compression. I ...		 View
1997 Ford Taurus 3.0L erratic shifts
Hi Folks, Auto trans works fine for upshifts through 65 mph. It downshifts harshly, and when it shifts into first as it comes to a stop, a noticeable clunk occurs (2 mph). If the car stays below about 35 mph it shifts normal both ways except the harsh downshif...		 View
2008 GMC SIERRA 5.3L Poor Idle Quality, MIL Lamp on
check eng. light on p0121 p0506 idle goes up and down sometimes too low eng. hesitates i did replaced throttle body, and clear codes run good for five minutes until i step on the gas rpm goes up but it won't come down until you shut off the eng. or put it on ... Trouble codes: P0121 (tps vol. doesnt agree with maf.), PO506 (idle lower than expected).		 View
1994 Isuzu Rodeo 3.2L Mechanical
94 rodeo its got a valve noise, not real surprized, the thing that bothers me the oilpressure gauge reads low upon a stop like 15psi. runs about 28 around the highway below 2500 rpm and above 2500 shoots up to 40psi. runs strong no botom noise. do these run lo...		 View
1997 Isuzu Rodeo 3.2L Poor Idle Quality
Originally came in for high idle problem. Would not idle below 1500 rpm. Scanned computer, no codes. Checked for vacuum leaks, throttle plate binding, etc. No problems found. Replaced IAC, was still idling high, so disconnected battery to clear computer. Recon...		 View
2005 Isuzu BOX TRUCK 6.0L Poor Idle Quality
location of tac module. 12 volt motor reference is at 8 volts. have no throttle responce. Trouble codes: P1516 (tac), P2101 (sensor disagree).		 View
2000 Jaguar XK8 4.0L MIL Lamp on
Pulled code p1646 heater circuit fault bank A upstream sensor. replaced all 4 sensors (with Denso after market sensors) and code returned on first test drive. have checked wiring for heater relays to sensors and wiring between ecm and sensors all test and look... Trouble codes: p1646 (HO2 heater circuit fault).		 View
2000 Jeep Grand Cherokee 4.0L engine
Hi all I have been working on this jeep for a while now just wondering if anyone else has ran into this problem with a jeep or any other car for that matter. I replaced the head gasket on this for coolant and oil mixing. That problem is fixed now but the custo...		 View
2004 Jeep Liberty 3.7L Poor Idle Quality, Misfire
came in po305, replaced delco plugs with correct ngk plugs, after test drive all good, on cold start 50-80 degrees ambient air temp have idle miss, if bring rpm up until engine warms there will be no miss, either get po300 or po305, or po303, moved coils aroun... Trouble codes: po300 (random missfire), po303 (cylinder 3 missfire), po305 (cylinder 5 missfire).		 View
2004 Lexus RX 330 3.3L Sun Roof
About a half a hour after the owners picked the car up ,she said her passenger windows did not work. I thought the window s/w that locks out the pass. windows had been pushed on so I pushed the button a couple of times and the windows all worked from the maste...		 View
2002 Lincoln LS 3.9L Air Bag
I have a Lincold LS with 2 air bag codes. b1932 b1994 . replaced the clock spring and cleared the b1932 out but the b1994 is still there also the air bag symble flashes 36. i dont do air bags and am asking for advice from you all. ty for any help		 View
2004 Lincoln LS 3.0L drivers side
customer stating when ac on blows warm air from drivers side and blows cool on passanger side. scanned found codes b2798 dirvers water valve ccircuit short, and b1265 bypass dirert door drivers side fail. can't find any help from mitchell or iatn and repair, n...		 View
1990 Mazda MX-5 Miata 1.6L No Start, Poor Fuel Economy
this car was in winter storge and came out in july and started up and ran for about 70 miles and than started to ran badly.In the shop found that the plugs were black and had no return pressure. Replace fuel regluator on it and new plugs tried to start it and ...		 View
2005 Mazda 3 2.3L bearing
car came to me with noise front right i replaced wright wheel bearing customer picked up car came back 1 month later noise right front put new wheal bearing both were factory bearings came back to day noise front right sounds like wheal bearing you can feel it...		 View
1991 Mercedes-Benz 300E 3.0L Cooling Systems
hello, This mercedes keeps mixing engine oil with the cooling system. No coolant in the oil. Takes one day of driving. the vehicle drives perfectly and you would never know there is a problem until you pull the cap off the coolant bottle and you see the sludg...		 View
1993 Mercedes-Benz 190E 2.3L evaporator
system retrofitted to 134a. system evacuated & recharged to 80% of r12 specs.		 View
1998 Mercedes-Benz E320 3.2L Intrument Panel
Hi iATN. Thanks for the help in advance. I have a 1998 M.B. E320 coming in today with the customer complaint no dash lights at night but all outside lights work. I working with Euro schematics. Domestic is so much eaiser to read. Does someone have a simplier ...		 View
2002 Mercedes-Benz SLK320 3.2L control
hello and thank you for your time. we have a slk with most of the warning lights on in dash, brake pad,brake,abs,check engine,bas,esp. with codes for all. car wont shift speedo is dead.after restting codes in insterment cluster,engine,transmission,shifter,bas ...		 View
1997 Mercury Mountaineer 5.0L Excessive Emissions
Vehicle came in for failed emission test (IM240 Colorado). Fuel control looks good most of the time yet occasionally the front o2 sensor signals go to zero volts (both left and right sensors at the same time.) There seams to be a trend of doing this under a he... Trouble codes: P1131 (o2s b1s1 lean), P1151 (oss b2s1 lean).		 View
1999 Mercury Mystique 2.5L alternator
vehicle was brought into the shop from another that had replaced the alt. and still isnt charging. i saw a bunch of hits on this but i cant find an anwser on which wire on the regulator is the field wire, and i dont want to waste my time chasing my tail any su...		 View
2000 Mitsubishi Mirage 1.8L MIL Lamp on
Hello all you syber tech's out there I have anotjr good one driving me crazy.I smoked this vehicle and hed smoke pouring out of rear bumper i assume this is air vent. i assumed vent soleniod was bad and replaced. Still have same leak. Ihave REDLINE Smoke-pro,i... Trouble codes: P0442 (Small leak).		 View
2001 Mitsubishi Montero Sport 3.0L Hesitation, Misfire, MIL Lamp on
This car came in last week with check engine light on and valve covers leaking very bad.It had a p0431 warm up conv. eff. low bank 2,p0421 wanm up conv. eff. low bank 1,p0154 no o2 sens activity b2s1,p0134 no o2 activity b1s1,p0455 evap large leak,p0300 random... Trouble codes: P0300 (Random multiple misfire).		 View
2001 Nissan Sentra 1.8L fuel level sensor
Hi. I have a difficult fault to find with this sentra. cami in with a p0464 code fuel level sensor circuit voltage incorrect- intermittant fault checked circuit voltage with scan tool voltage looks normal. because its intermittant and mileage i replaced the le...		 View
2004 Nissan Titan 5.6L spark
The vehicle was towed no start condition existed. tested for fuel pressure and it had 55psi, moved on to spark plugs no spark. checked all fuses and relays all checked out good. so I replaced the crank trigger and I've still haven't got any spark. I'm not real...		 View
2005 Nissan Armada 5.6L struts ?
Help nissan techs. I am working on this Armada that makes a snapping noise when turning in and out of driveways that are on an incline.I have replaced stabilizer links and bushings with O.E.parts noise still there I also checked all front suspension bolts all ...		 View
1996 Plymouth Breeze 2.0L no power to compresser
I have gone as far as I can on testing. Ihave shopkey & the only info I have is wiring diagram.You push ac button on the light lights up but pcm does not change off.It looks like it goes from pcm to bcm then to ac relay.I don,t know if they use pos. or neg. cu...		 View
2000 Porsche Boxster 2.7L Poor Idle Quality
first start of the day this car pops thru the intake for about 45 seconds or so, when you rev it up a couple of times the idle smooths out, the problem has been getting worse over the last couple of monts.		 View
1992 Saturn SL 1.9L master cyl
car came in with no brakes . replaced calipers front brke hoses and rotors . rear wheel cyls and shoes and a front brake line . ( we have rust proublems here in michigan ) car is fine . coustmer live 50 miles away . after 30 miles or so on the highway brakes s...		 View
2003 Saturn Ion 1 2.2L head lights
headlights inop, rplacd bcm. now wont start and lights still dont work		 View
2000 Subaru Impreza 2.2L Excessive Emissions, Poor Fuel Economy
Hello Subaru lovers.Car-have one off my best customers.Full service everytime and ontime.Come yesterday to my shop with black smoke from exost and i cant say poor fuel economy-20 l for 85 km !!! No codes no some defects when driving.Closed diller start song,ne...		 View
2002 Subaru Outback 2.5L engine
lets just start with a big thank you for your time and help. we have a outback here that had the head gaskets replaced by us,it was diagnosed at another shop.and now after the repair we have a strange overheating problem,after a long test drive the temp guage ...		 View
1999 Toyota Camry Solara 3.0L alternator?
Hey, TIA for any and all help. Have a high mileage solara that will drop voltage at idle to below battery voltage. Customer has a job where he sits in car w/ ac on for an hour or more. If he turns it off before driving it(raising the idle and alt speed)it will...		 View
2000 Toyota Camry 2.2L MIL Lamp on
reacuring code p0401 egr valve is working, vsv valve is working ,when egr valve is open with vacumm pump car will stall can comand vsv on & off . Trouble codes: p0401 (egr insufficient flow detected).		 View
2001 Toyota Camry 2.2L Hesitation, Misfire
Few hrs from home ses cam,e on and it was po300. They came back next day with a rattle and running bad. Reset timing belt and ran good in bay. Go to take off from lite and it feels like out of time. Pulled cover off and rechecked. Its fine pulled o2 out and ru... Trouble codes: po300 (random missfire), 301 (cylender 1), 302 (cyl 2), 303 (cyl 3).		 View
2005 Toyota Prius 1.5L Mechanical
Since the last oil change this car started using oil, its not leaking and doesn't put off any clouds of smoke, we topped it off and after 2000 miles it was down over a quart has any body seen this? (we switched from 5w30 to 10w30 this change) Thanks in advance...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A4 1.8L timing belt
OK i have completed the job, replacing the water pump fixed the squeek/chirp noise at idle. thanks for all the advise it was my first 1.8t, good idea larry the trim tool worked perfect for the tensioner and i had it in my tool box already. i made do without th...		 11
2001 BMW 325Ci 2.5L Cooling System
It originally came in with a stat code (failed smog- MIL ON) I replaced the stat and cleared the codes. It overheated while I was driving it to run the monitors. When I got back to the shop I found a cracked tank and thought I must have bleed it wrong af...		 34
1993 Chevrolet S10 Pickup 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on
Thank you to all who replied...it ended up being the coil...theres a three part ohms test in alldata,, so i did that and it failed #3 test...again thank you everyone!		 17
2001 Chevrolet Silverado 5.3L power steering
Thanks for all the replies, it seems clear that the problem is in the steering gear itself, tried bleeding procedures with no change, customer elected to replace gearbox on his own at a later date. Thanks again to all who replied, have a great day!		 10
2001 Chevrolet Astro 4.3L Ignition switch
I took apart the tumbler housing and found the 2 gears had jumped a tooth, no apparent wear and the likely hood of it happening again I ordered a new part. I was able to hold the gears and switch and operate the ign. switch with good success. I hope this hel...		 10
2002 Chevrolet Impala 3.8L No Start
It took awhile and alot of headaches but its finally fixed. I tried an ignition switch,a PCM and even a passloock sensor as many had suggested. In the end it turned out to be a new BCM that fixed it. I guess the BCM, just for whatever reason, was not sending t...		 16
2003 Chevrolet Venture 3.4L power sliding doors
hi again guy's thanks to all who replied,  I ended up following the trouble tree for the original code 23 to finally diagnose it. didn't realize that the system won't re-initialize with a fault in it, i was trying to clear the code and re-test. but i finally f...		 5
2003 Chevrolet Silverado 6.0L oil press gauge
Thank You ti everyone who replied,especially the folks who gave me a link to another IATN member with a similar problem. I ended up wrapping the oil press sending unit in aluminum foil. With the hood closed the op gauge would deflect, but not enough to cause a...		 4
2004 Chevrolet Impala 3.8L No Start, Cuts out, Stall
Replacing the MAF sensor corrected the start/stall and overfueling condition. The "hiccup" was caused by a problem with the scanner(Solus). Thanks for all the replies.		 5
2001 Chrysler PT Cruiser 2.4L cam sensor
Well this one through me for a loop. Now i have learned that they had the timing belt replaced. As i took all of your advice i dug into it a little more and found that the person who did the job used old timing belt covers with the new tensioner, So to make a ...		 16
2001 Dodge Grand Caravan 3.3L No Start
Well guys after hours of research and wiring chasing, we found the problem. Shorted wiring harness behind A/C Compressor. We appreciate all the input from you guys on IATN. Trouble codes: p0123 (Throttle position sensor volts high), p0118 (Ect sensor volts high), p0509 (Iac sens circuit low), p1598 (AC pressure sensor volt to high).		 5
2003 Dodge Ram Van 3.9L popping
Thank you for all your replies. I installed 2 OEM O2 Sensors and the vehicle has been gone for a week with no problems. I have talked to the customer and he has put about 200 miles on it and the problem seems to be fixed. Thanks again to everyone.		 9
2004 Dodge SX 2.0L foglamps
Headlight switch was the problem. Disassembled and switch was internally broken at end where you turn the foglights on.		 2
2005 Dodge Pickup 4.7L Posi Unit
Thanks for the help guys...amazing what a couple friends, and a couple pry bars will do...we compressed the cone washer and slipped the washers in (after installing the small spider gears). Any who...thanks guys. Steve [...]		 8
1987 Ford Bronco II 2.9L 02 leads
First off, thanks to all that helped on this one, what a night mare, with help i got the 02 wired to the vehicle correctly just to find the wires in the harness had been pinched when some back yard shop did a motor swap, then discovered the last shop to touch ...		 6
1992 Ford Pickup 7.3L Poor Idle Quality, Misfire
Thanks to those offering help & suggestions. I was not able to isolate problem by cracking lines. After hours of testing decided to remove both valve covers to see what I could find. Using a remote starter with key off, I cranked engine over several times whil...		 15
1997 Ford Pickup 4.6L Power windows,Interior lights
Ended up being a bad ground on in the right side kick panel.Thanks for all the help.		 4
1999 Ford Escort 2.0L Timing belt
Thanks to all for the detailed responses especially Preston who nailed the procedure on the head. What worked for me in keeping cams aligned was my snap on long straight 13-14 combo wrench for serp belts, this layed on back of head and slid right into slots i...		 18
2001 Ford Escape 3.0L Poor Idle Quality
Did smoke test.Had leak around intake. Replace orings & problem solved.		 11
2001 Ford Excursion 6.8L compressor
Thanks for the help all of you that sent me in the direction of a high pressure problem helped me find the actual problem. I knew I didn't have a restriction because my pressures were good for the temp outside (101f). Plus my vent temp was good at 49F. What we...		 10
2001 Ford Pickup 7.3L 2-3 shift
Thank you Fred, Wayne, and Joe for your input. Ended up installing another trans and all is well. Prior to installing another trans, I tried a new pcm with the same result. I reinstalled their original pcm and ate the new one. Again, thank you for your help. E...		 3
2002 Ford Focus 2.0L Cuts out, Stall
Finally got my hands on an oem air intake system, reinstalled, maf grams per sec (as expected) went to the old rule of thumb of 2 g/s for a 2.0L and the car ran great...thanks to all who replied		 10
2003 Ford Focus 2.0L MIL Lamp on, fuel gauge erratic
problem solved! someone had had the tank down at one time and the connector for the pump module had some corrosion on it. we cleaned and reconnected the connector and so far the gauge is working properly and the light is still off. thanks to all who replied... Trouble codes: po460 (fuel level sensor circuit malfunction), po463 (fuel level sensor high input).		 3
1999 Honda Accord 2.3L no start no power to inside fuse panel drivers sid
THANKS FOR ALL YOUR HELP IT WAS THE IGN SWITCH THAT WAS CAUSEING THE PROBLEM		 6
2005 Honda Accord 3.0L compressor
Morning everone! I told the customer that the problem seemed to be in the pcm it was not grounding the a/c clutch relay. The pcm was still under warranty so she took it to Honda and they replaced the pcm for free. Shes very happy and I made zip on this deal. T...		 3
2007 Honda Accord 2.4L air bag
THANKS FOR ALL THE INFO, IT WAS INDEED THE CLOCK SPRING/RIBBON THAT WAS BROKEN. THIS WAS ONE OF THOSE LESSONS LEARNED BUT I APPRECIATE ALL THE RESPONSES WHICH PRETTY MUCH SAID THE SAME THING ABOUT THE CLOCK SPRING		 17
2006 Hummer H3 3.5L A/C Blower motor
Thanks to Robert and Adrian,every little bit helps, Heather from Montana is my hero, I checked the ground on the right hand inner fender, all good, pulled the passenger kick panel, the flat connector, terminal #7, once opened, exposed a burned wire terminal, I...		 3
2007 Hummer H2 6.0L auxilliary ac
customer finally got some diagrams from the folks at krystal limo, and we were able to quickly diagnose the problem. i know if one of you had a diagram,it would have been much quicker.thanks		 1
2002 Hyundai Elantra 2.0L Poor Idle Quality, misfire
Thanks to everyone who responded to my inquiry. The cause of the problem was found to be a small piece of the intake manifold gasket missing from the number 2 cylinder intake port. I sprayed small amounts of brake clean to each intake runner and when the clea... Trouble codes: P0302 (Cyllinder 2 misfire).		 10
2003 Hyundai Elantra 2.0L No Start
Hi all Thanks for the help, I did make a mistake on fuel pressure, pushed wrong keys on my computer(sorry). Anyway someone had done a fuel repair before me, what I found was. Under the air cleaner, and snorkel. the flex hoze for fuel delerivy was twisted an...		 10
2000 Jaguar S-Type 4.0L Cuts out, Stall, MIL Lamp on
ok got another ecm from recycle yard installed no start at all does this thing need to be programed by jag dealer? need any help Trouble codes: 1580 (pcm override).		 4
2000 Lincoln Town Car 4.6L drive belt
Thanks to all who helped me find the problem. The balancer was the source of the belt noise. The rubber had very slight damaged to it and with out having a new part to compare it to, I couldnt be for sure if it had slipped any. I ordered a new one and found...		 9
1999 Mazda Protege 1.6L no com in mode 3
hello all, i called the local mazda delaer to talk to them about this problem and they have seen this before. they re loaded the computer and were able to get communications with the inspection machine and customer has a sticker. thank you to all who replied.		 4
2000 Mazda Protege 1.8L Hesitation, Surge
Everybody who replied please accept my thanks. Problem turned out to be fuel volume. Pressure was good. Fuel tank was very low so I decided to fill it with fuel. Problem was immediately 80% better but still there. We pulled fuel pump and found the straine...		 9
2000 Mazda Familia 1.6L Stall
One of the replies I got told me to ground the #10 pin in the diagnostic connector and I should be able to count the flashes and determine what code was stored. First I had to remove the instrument cluster to replace the bulb since the check engine light did n...		 17
1991 Mercedes-Benz 300E 2.6L lost poweron highway
Thanks for all replies to my cry for help. After several days of driving and testing we reassembled this Benz and the customer has been driving it ever since with no problems reported. I did learn that my fuel pump amperage draw was ok, seemed too low to me, a... Trouble codes: 7 (rpm signal), 9 (eha current implausible), 10 (idle speed contact implausible), 11 (air inj implausible), 16 (EGR SWITCHOVER [...]- data exchange cis-e and ign. control defective), 17 (o2 shorted or grounded 18-idle speed current implausible).		 5
1992 Mercedes-Benz 400SE 4.2L No Start
I was waiting for a base module to arrive, I plugged it in and the car fired, as far as the ac is concerned, there was broken wires at the compressor i fixed them and the ac started working again, your help was appreciated. Trouble codes: 9 (power supply n31 open), 10 (fuse f2 or ecu n161 malfunction), 11 (fuse f3 or ecu n161 malfunction), 12 (fuse f1 or ecu n161 malfunction).		 5
2001 Mercedes-Benz E430 4.3L am radio
Had several replies for replace antenna amplifier. It turns out we were barking up the wrong tree. The customer later admitted the symptom is a pop, pop, pop noise that is in sync with engine rpm, but only does it when he is using his ipod adapter. This is inf...		 4
2006 Mercury Mountaineer 4.0L blower fan
It was the blower motor relay in engine compartment,thanks to Doug [...] for his detailed info,also I found all data's diag section very helpful.		 2
1999 Nissan Pathfinder 3.3L compressor
thanks alot guys I replaced the condensor. it did not fix,so went to the evap replaced it noise is now gone pressures at idle are 35 low side 200 high side . sometimes you have one come in that is a pain even nissan was scratching their heads again thanks.		 9
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next