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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 10, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2004 Acura TL 3.2L No Start VIN: 19UUA66244
New customer had car towed in after it died and would not start. No spark, but has injector pulse and wet spark plugs. Lab scoped the crank sensor and cam sensor inputs to the PCM - 5 volt square waves. Good battery voltage and grounds at PCM. Coils have batte...
1985 Audi Quattro 2.2L No Start VIN: WAUDC0854F
This car has a hot start issue where it will start fine for up to 10 minutes after shutdown but from 20 minutes to the next three hours will require cranking over for nearly 20 seconds before it will fire and start by holding the gas pedal to the floor. It col...
2004 Buick Rendezvous CX 3.4L rf wheel VIN: 3G5DA03E84
When driving this car and you just add a little pressure to the brake pedal you can hear a slight thumping noise in rf wheel, all of this happens at 15 mph and lower, The wheel have been switched and the rotor has no extra run out, nothing is felt in the pedal...
1997 Chevrolet Cavalier Z24 2.4L turn signal brake lights VIN: 3G1JF12T1V
This vehicle has no brake lights or turn signals. The center mount brake light is inop as well. I replaced the Multi Function switch and it still doesn't work. After checking all the fuses i noticed that the brake/hazard fuse has no power but all the other fus...
2002 Chevrolet Suburban 1500 LT 5.3L Temperature control VIN: 1GNFK16ZX2
This Suburban has automatic temperature control. It does not have dual zone control. When full heat is selected,it gets very hot. Any movement of the temperature control and it goes to full cold. No temperature in between. The blend door goes full swing, as we...
2006 Chevrolet Silverado 2500 HD LT 6.6L Cuts out, MIL Lamp on, loss of power VIN: 1GCHK23D26
This Truck has Been sevral times in for reduced power and MIL with P0087. Problem happens only when towing heavy Loads and going over a Hill. We have not been able to duplicate concern but has happend to customer. Fuel pump pressure ok when commanded to 180MPA... Trouble codes: P0087 (low fuel rail pressure)
2007 Chevrolet Silverado 1500 LTZ 5.3L Excessive Idle Speed VIN: 2GCEK19JX7
This thing must have a ghost. Vehicle came in, for SES light on, DTC present P0121, After checking system, found Air Filter overoiled and dirty, Throttle plate very sticky and carboned up. Cleaned both. Reset fuel trims, Now here is where it went crazy, my Tec...
2002 Chrysler 300M 3.5L ignition, fuel, etc VIN: 2C3HE66G32
This was a dealer car and left the shop running great, the customer purchased the car and now has a p0300 multiple cylinder missfire code and a p0152 bank 2/1 sensor high voltage code. We dont do many chryslers here and do not have a DRB. Here is some data; th...
2004 Chrysler Pacifica 3.5L No Start VIN: 2C8GF68454
Hello Members I have a real problem here and could really use some help Please. We replaced a PCM for not supplying ground to the cooling fans. The old PCM part number was [...]. We understand this computer is a ge... Trouble codes: 1602 (PCM Not Programmed)
2001 Daewoo Lanos S 1.6L oil light VIN: KLATA526X1
the oil sending unit was leaking oil and the light would flicker when hot in gear has good oil pressure when cold when it gets hot it drops down to 8 to 10 the engine does not have any noise to check pressure with a mechanics gauge after i changed the sending ...
2001 Dodge Grand Caravan ES 3.3L heater blower motor VIN: 2B8GP44G41
Hello im trying to replace the heater blower motor and I can't seem to get the cover off to get to the motor. It has a little motor on it that opens a vent on the cover. The directions tell me to just unbolt and remove the motor. It feels like there is a bolt ...
2003 Dodge Durango SLT 4.7L Poor Idle Quality, Cuts out VIN: P77F559463
Got a 07 Dodge Durango thats dies once or twice a week at idle on customer. Had it die on me one time, when it did, i noticed there was no lights on dash except gear shift n milage, no check engine light, battery, abs ... etc installed factory idle air control...
2006 Dodge Charger R/T 5.7L Hesitation, MIL Lamp on VIN: 2B3KA53H46
Came in with egr codes, po405, egr valve passed test with scanner showed it opening and closing. Did reflash per chrysler bulletn, ist drive cycle fine on third drive light came on and seem to have slight hesitation. Has had jasper engine with new intake manif... Trouble codes: P0404 (Egr postion sensor performance), P0405 (Egr postion low)
2006 Dodge Grand Caravan SE 3.3L No Start, Hesitation, Stall VIN: 1D4GP24R96
This is my first time posting for assist. The vehicle came into our shop with a complaint of a check engine light and hesitation at times and a low speed stall. Scanned codes and have a P0107 and P0171. Test drove with no stalling noticed on test drive but did... Trouble codes: P0107, P0171 (1/1 system lean)
1992 Ford F-250 Custom 5.8L Loose Steer. Wheel VIN: 1FTHF25HXN
Hi, this Pick-up has an extremely loose steering wheel. It is a standard wheel WITHOUT TILT. I was expecting to take the steer. wheel off to find bolts which simply needed tightening & have found under the steering wheel a turn signal cancel "collar", a circli...
2000 Ford F-250 Super Duty Lariat 6.8L Cuts out, MIL Lamp on VIN: 1FTNW21S7Y
Vehicle buck/jurks, backfires and cuts out, on light throttle. It is not a miss-fire or coil type fault. feels more like a combination of a bad MAF and distributor cap. Under harder accel it drives through and clears up. Will not do it all the time. Only fault... Trouble codes: P0340 (Cam Sensor Fault)
2007 Ford Expedition XLT 5.4L compressor VIN: 1FMFU16597
this truck has dual ac and heat.
1998 GMC Jimmy Envoy 4.3L Temp air door motor VIN: 1GKDT13W1W
Hey guys I really need your help on this one. We have 2 GMC Jimmy's that have the same problem. The tempature blend door fluctuates from hot to cold. Had code bo408 and bo416. Perform diagnostic tests. Then replaced control module per test results. Did not fix...
2000 GMC Sierra 2500 SL 6.0L Steering VIN: 1GTGK29U8Y
Have a 2000 2500 sierra with a 6.0L. Vehicle originally came in for a power steering leak. Replaced pressure hoses from pump to hydro boost and from hydro boost to gear. Leak fixed. Steering and brakes functioning normally. Few days later it came back for no s...
1995 Honda Accord LX 2.2L all guages VIN: 1HGCD5630S
Hey guys, I have a honda with a problem in the guages and turn signals. The fuel guage goes all the way to full all of the time. the coolant temp goes to cold and comes up slowly like it should but then goes up to full hot eventually. the speedo doesnt work a...
2002 Honda Accord LX 2.3L speedometer needle
I am working on a 2002 honda accord and the speedometer needle fell past the rubber stop! I was seeing if there is a way to reset or restore the needle to the correct position! If not what steps are neccesary to return the needle to factory position???
2004 Hyundai Santa Fe 2.4L Rear Defroster, key illumination, seat belt remind VIN: KM8SB12B94
Customer comes in for a defroster inop. Also noticed while in the shop seat belt reminder and also key illumination light does not work. Removed defrost relay, control side has 2.5v. Also probed key illumination also has same 2.5v from control side. Replaced E...
2000 Isuzu Rodeo LS 3.2L MIL Lamp on VIN: 4S2DM58W6Y
i have just done head gaskets on this motor and had numerouse problems with the timing mitchell and all datas procedure for setting the timing belt is inccorrect there is a tsb that shows the extra steps now that i have that problem fixed i keep getting these ... Trouble codes: P1133, P1153
1997 Jeep Grand Cherokee Limited 5.2L fan clutch VIN: 1J4GZ78Y0V
Hello folks, on this Jeep the fan & clutch was replaced because one of the fan blades broke off.(by a mechanic in Mexico) The car roars loudly off idle. Loud enough for the customer to complain he can't hardly hear the radio. I installed a new clutch (Hayden) ...
2006 Jeep Wrangler Sport 4.0L Poor Idle Quality VIN: 1J4FA39S16
Howdy got this J(just)E(empty)E(every)P(pocket). In for prepurchase. The oxygen sensor readiness test was the only one incomplete. It looked like all the sensors had been removed and reinstalled, the harnesses were all twisted, the 2 upstream were new. I made ...
2007 Kia Sportage LX 2.7L none VIN: KNDJF723X7
The ck engine light comes on with a code of po711 trany fluid temp sensor (a) circuit rang peromance. If any one has seen this please tell me what to do thank you. Charles
2001 Lexus LS430 4.3L vsc light on VIN: JTHBN30F81
Car came in with an exhaust leak causing a P0430, I fixed the leak and the code went away. However, as soon as the car was pulled out of the shop, the "Check VSC" light came on and a red triangle with a "!" mark inside it. I Scanned it with the Modis and got A...
2007 Lexus IS350 3.5L Hesitation VIN: JTHBE262X7
Customer purchased "Certified" from Lexus dealer- Car looks and drives great. Problem is that once the gas level gets below 1/3 of tank it misfires bad and loses power. Exhaust sounds bad like it is plugged and rattles. Add more fuel to tank and problem goes a... Trouble codes: P0300 (Multiple misfires detected)
2003 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU27R13
I'm at a loss on this one. This is a bank 2 lean condition only. No bank one involvement or apparent concerns. Hot idle trims stft b1 0%, ltft b1 0%, stft b2 0%, ltft b2 18%. 2000 rpm stft b1 0%, ltft b1 0%, stft b2 0%, ltft b2 10%. These are all within +/- 6%... Trouble codes: P0174
2007 Mazda CX-9 Touring 3.5L door locks VIN: JM3TB38YX7
I am seeking assistanse with this car. This car alarm will randomly go off in cold-damp weather. Customer states that TCM light comes on while driving in the same conditions but I have not found them to be related. The car sat on the lot yesterday and just aft...
2004 Mercedes-Benz ML350 3.7L Steering VIN: 4JGAB57E64
I can't be sure the noise was not present before the leaks were repaired. When started after sitting for a while it is the least noisy it is going to be. The noise is the normal restricted filter/resevoir noise that gets a lot louder when turning the steering ...
2005 Mercedes-Benz C230 Kompressor 1.8L lr window
hi Mercedes techs, I entered the correct vin in the selection box and it correctly identified the vehicle but then would not proceed further..so this why the no vin post. the vin is..[...] this 05 c230 kopmpressor just had the lr window glass repl...
2008 Mercury Sable 3.5L steering VIN: 1MEHM40W98
i had the original power steering pump unit rebuilt,that did not work,then i intalled a a1 cardone unit,still did not work.i dont have pressure gauge to ck the units.but i did take the ps pressure switch off and put my thumb over the hole and the pressure feel...
1996 Nissan Maxima GLE 3.0L Misfire VIN: JN1CA21D8T
The vehicle has a misfire on cylinders 2 and 3,used a lab scope to determine the cause of the misfire, i have not got a signal to the coils, unplug the crank sensor and the car runs smooth,recheck for coil signal, all was good, plugged the crank sensor back up... Trouble codes: P1335 (Crank shaft postion sensorref sensor)
2002 Nissan Sentra CA 1.8L No Start VIN: 3N1CB51A92
Replaced CKP sensor, still no start. Perform pinpoint test and lead to replace computer. Tried another known good CKP sensor. Both power and ground is good from sensor to computer. I have scoped CKP and CMP at the ECM and the signals are synced, and look ok. M... Trouble codes: P0335
2005 Nissan Altima S 2.5L No Start VIN: 1N4AL11EX5
ATTN.nissan techs,I have a no spark ccondition while cranking,was advised the timing chain has too much slack and ecm wont allow the coils to fire because the cam and crank signals are not synced,what is the allowable range for chain slack? engine will fire an...
2005 Nissan Pathfinder LE 4.0L No Start, Cuts out VIN: 5N1AR18U15
Came in on the meat hook for no start. I hooked up the scanner (pegisys) and the vehicle ran perfect for about 3 minutes and went dead. Since then, no start. I retrieved a P0725 code in that short time. Smells like its starting to flood out and its quitin time... Trouble codes: P0725 (Engine speed sensor)
2006 Nissan Murano SL 3.5L Engine VIN: JN8AZ08W26
This I find very irritating. This Murano, since day one, had oil changes every 3K. Now its burning oil. Nothing visible out the tailpipe. Goes through about a quart and a half. And this happened suddenly. Never lost a drop until it got close to 100k. I tried h...
2001 Porsche Boxster Roadster S 3.2L MIL Lamp on VIN: WP0CB29861
customer has had this car at another shop. have replaced just about everything with the secondary air injection system. purge / switch over valves in engine compartment. used smog pump. new oxygen sensors. switched relays. checked for vacuum leaks. before I ta... Trouble codes: P0410, P1411
2001 Subaru Forester L 2.5L Unknown VIN: JF1SF63541
Came in with extremely hard shifts, feels like you've been hit, AT light flashes, MIL on. Referred to us by a transmission shop. They rebuilt transmission in 3 months ago. Came to them originally with 2 incorrect ratio codes, one was P0733 code along with seve...
1996 Toyota Land Cruiser 4.5L Belts VIN: JT3HJ85J3T
Good Morning from Sunny Tennessee, The sole Toyota Landcruiser we work on has become a real pain in the back area. Car was towed in on Tuesday. We had an opportunity to take a look that afternoon and discovered broken main belts but the ac belt was in good c...
2000 Toyota Celica GTS 1.8L high idle VIN: JTDDY38T3Y
this 2000 celica gt-s has a high idle issue. start the car after a cold soak it idles around 1800 rpms. will stay there till the engine starts warming up. way too long to be the cold start high idle feature. still idles around 1000 after it warms up. cant dete...
1999 Volkswagen Beetle GLS 1.9L reverse VIN: 3VWCF21C8X
Hey out there, I have a friends diesel new beetle here. We both agreed(along with one case in the archives) that the shift cable could be the problem so replaced and adjusted it and still this 5 speed jumps out of reverse and grinds.You can almost hold it in r...
2001 Volkswagen Cabrio GL 2.0L No Start VIN: 3VWBC21V11
car came in with a no start had a good spark can not get date with scanner all say n/a with the scanner pluged in it turns off when trying to start the car. Car will start and stall in about a min with no injection at all can it be the ECM at all crapping out ...
2003 Volkswagen Jetta GLS 2.0L fuse box VIN: 3VWSK69MX3
The fuse box is not getting any power so, vehicle will not start. No horn, lights, etc. No power what so ever! Bus box on battery has voltage on one side but, no voltage to inside fuse box. Checked grounds and power supply from battery, which seem to be co...
2001 Volvo V70 2.4T 2.4L No Start VIN: Y1SW58DD11
this volvo v70 has an intermittent crank no start, usually after it has been driving. got it to happen once outside the shop, and hurried to install test equipment. found that vehicle will crank but not start. found it to have adequate fuel pressure (50-55 psi...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW M3 3.2L engine cooler VIN: WBSBR93412
thanks for all replies ,the problem was aftermarket radiator i got the original one and every things fits good it was under the radiator thanks every one
1994 Chevrolet K2500 Silverado 6.5L Starter VIN: 1GCGK29F9R
Well the customer decided to take the truck back to the shop that broke it, hoping to get a free fix. When I find out what fixed it I will post it. I want to thank all of you for the replies I got. I do think the flywheel is on backwards.
2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEC13T22
Thanks for all the replies. I had no leak down on the cylinder pressure test so after scratching my head and reading the worn cam lobe idea we removed the valve cover. Ahha a broken exhaust valve spring. One spring on #3 was collapsed at the top. Replaced ... Trouble codes: P0303, P0300, P0301.
2004 Chrysler Pacifica 3.5L runs out of gas VIN: 2C8GM68424
I am calling this one fixed. I would have liked to check again before closing but have run out of time. I would suggest replacing both pump for a no transfer condition.
2000 Dodge Stratus ES 2.5L Cuts out, Stall, OBD incomplete VIN: 1B3EJ56H7Y
Hats off to Walter and Rodger, it was the AFTERMARKET TPS we installed two weeks ago ( had a tps code in memory ) and it seems that that Chines have managed to make a sensor that fails with out setting a code. Neal did have a good idea about loosing KAM but I...
2003 Dodge Caravan SE 3.3L No Start VIN: 1D4GP25393
Most of you hit the nail on the head ...flex plate and cam gear...I have not done the repair yet ..customer has dropped off the old engine for me to scavage parts from. You guys and this site are the [...] thank you.
1999 Ford F-150 XL 4.2L No Start, Hesitation, Stall VIN: 2FTZF1823X
Hello everyone and thanks for the replies. Jody and Seth hit it on the head. What I found was a bad Cyl head temp sensor. I guess on the 99 4.2 they did away with the coolant temp sensor and look at the cht. I checked the temp reading cold and found cht @117...
2001 Ford F-550 Super Duty XL 7.3L MIL Lamp on VIN: 1FDAF56F01
thanks for all the replies I still have not fixed this truck. I checked the icp wiring to verify no wires were crossed. I also put a guage on the high pressure reservoir and it stayed steady at 30 psi. I removed the high pressure oil reservoir and found the... Trouble codes: P1211.
2003 Ford Expedition Eddie Bauer 5.4L Cuts out VIN: 1FMFU18L03
The vehicle is fixed.The crank sensor had fixed the quitting & the harsh bucking part of the problem,the customer had told me that the vehicle was still actting up, forgot to tell me it was more of a miss now.SES light came on & I replaced #8 coil.Thanks for y...
2005 Ford Freestyle SEL 3.0L Shifting VIN: 1FMDK02195
2005 Ford Focus ZXW 2.0L Poor Idle Quality VIN: 1FAFP36N25
2002 Honda Odyssey EX 3.5L Lighting VIN: 2HKRL18082
Most everyone was right on. It was internal to the turn signal switch. Replaced the switch and on tho the next one. Thanks
2006 Honda Civic LX 1.8L Oil life monitor VIN: 1HGFA16516
Ok guys thanks for all the replies you posted and thanks to Ken from Kentucky on the website to help reset these cars that we cant figure out as we like to properly reset or notfiy the customer if a problem exists. This one was unique to itself as i had to hol...
1998 Jaguar XJ8 4.0L Cuts out, MIL Lamp on VIN: SAJHX1244W
1991 Mercedes-Benz 300SL 3.0L Excessive Emissions, No Start, Poor Idle Quality, Surge, Cuts out VIN: WDBFA61E3M
THANK YOU TO ALL WHO REPLIED, DID TRY 2 OVERVOLTAGE PROTECTIONS RELAYS WITH NO DIFFERENCE. DID SM0KE TEST VEHICLE CHECKING FOR VACUUM LEAKS AND NONE FOUND. ADVISED CUSTOMER THAT MORE TIME WILL BE NEEDED TO DIAGNOSE, WAS ABLE TO SMACK SIDE OF MAS MODULE IN RIGH... Trouble codes: 18 (Current to idle speed air valve y6 impausible), 22 (Oxygen sensor heater voltage implausible), 27 (Data exchange between cfi control module n3and ignition control module n1/3).
1993 Nissan 300ZX 3.0L rear brakes VIN: JN1RZ24H04
thank you to everyones input on this on replaced the power brake booster and all is well now once again thank you for all your help
2001 Saab 9-5 Aero 2.3L Transmission, ABS, PCM, Cluster VIN: YS3EH48G11
Well, thanks to EVERYBODY! Justin, Pete, Barney, Jim and William. All suggestions made me go back over what I had done. This time the scope pattern was riding a 1.5v! Unplugged TCM and it was still bad!. Unplugged the ABS and pattern was good. Problem was...
2001 Volkswagen Beetle GLX 1.8L noise VIN: 3VWDD21C11
so what Ive found is all of the vw with this system will make this noise some are just louder than others. I have also found that the following year they changed the way it is plumbed into the exhaust system and the exhaust side is a much smaller orifice than ...
2005 Volvo S40 i 2.4L No Start VIN: YV1MS38295
Thank you for all your help. We replaced the CEM and the ignition switch to fix this car. The ignition switch would intermittently fail to send the signal to activate the starter. We checked all the connections at the CEM, but could not get it to work reliab...
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