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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 31, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
1995 BMW 740i 4.0L Poor Idle Quality VIN: WBAGF6328S
Bmw techs and others. I need help. This BMW runs great and has no problems except for a low idle. It is at 550-600 and should be 700-750 RPM. The only problem from this low idle is the alternator will not keep up with power demand. A/C on, idles at 720 and cha...
2005 Cadillac SRX 4.6L steering VIN: 1GYEE63A25
Hi all thanks in advance for any help received. I have a cadilac srx it has no steering assist sitting still you can barely turn steering wheel driveing down the road seems to be fine. I had customer take to cadilac and they said the pump and pressure hose wer...
2001 Chevrolet Impala 3.4L Monitors Not Set VIN: 2G1WF52E71
Hello Every One. I Got One Here. Car Came In With Engine Light On. Found 2 Codes Cat Efficiency & Fuel Gauge Module Shorted. Replaced Fuel Pump Module Remember Its In Trunk Access Hole. Also Replaced Cat With OEM From Dealer.Already Went Around With After Mark...
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, MIL Lamp on VIN: 2MECM75WIN
2 problems,first and main is a vibration at idle only and worst cold,fells ok in reverse but vibrates in all other, PND123. I know, sounds like a motor mount, but mounts seem ok? so we dont know the one to start with. the vibration seems harmonic and is felt i... Trouble codes: P0014
1999 Dodge Ram 1500 Van 5.2L No Start VIN: 3B7HF13YZX
This was towed in yesterday with a cranks, no start. Customer had had it to 2 other shops for rough running, stalling and eventually no-start. It hasn't been running for about a year. Customer replaced both heads with reman units, supposably he had some bent v...
1972 Ford mustang 351CID correct link VIN: 2F03H13650
Dear friends, I have a Mustang with 351 engine size and AOD transmission just installed, with Holley 650 cfm, and a Lokar tv kit, Please Ford techncian,How to adjust this cable??? My car runs well, but when acelerating in drive,there is a "little gap" between ...
2000 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNW21FXY
This is a question for the ford guys, ive worked on quite a few of these 7.3 strokes. But ive not been able to find a voltage test for the idm. any ideas? Ive replaced alot of idms but not for this code. Thanks Trouble codes: P1670 (ef feedback signal not detected), P0340 (cam sensor)
1999 GMC Sierra 1500 SL 4.8L Cluster VIN: 2GTEC19V0X
The Odometer and PRNDL display on this truck will come and go. I have removed the cluster and can recreat the problem by flexing the small circuit board that is solder onto the large (main cluster) circuit board. Does anyone know what goes wrong with this and ...
2004 Land Rover Freelander SE 2.5L reverse
start vehicle and put in reverse ,, let it roll and no problems ,, feather the fuel just a little and the trans binds in reverse ,,, like a drum piston or seal is over running ,,, more gas and it will back up but still binding either way i dont have a lot of...
2006 Mazda Tribute i 2.3L cylinder head??? VIN: 4F2YZ92Z76
Hello Techs, This vehicle came in with a very loud knocking noise, noise gets louder and faster with higher rpm change..does not seem to have a misfire at this time but engine is very loud.The noise sounds like a knock, but from the valve train. (not a tap)Th...
1991 Mercury Grand Marquis GS 5.0L Warning chime
Have and audible chime, unlike the lights on, key in ignition, or seat belt chime.This will be heard when the intial turn of ignition switch on. Three beeps, pause, three beeps and then go off. And will come on going down the road, in just 5 second intervals, ...
1995 Oldsmobile Achieva S 2.3L cooling fan VIN: 1G3NL52T6T
Engine fan runs as soon as car is started, and does'nt cycle like I feel it should. I checked the fan relay visually/audible noise can be heard from switching, when plugging in and out of the harness. I thought it might have stuck in a closed position but cann...
1993 Plymouth Grand Voyager LE 3.3L Surge VIN: 1P4GH54R7P
hello, i got this vehicle w/surging/missing after 35mph or when rpms after 2750. i checked fuel pres. ok, replace igniton coil, same thing, check spark plugs ok. unbolt cat. wigle test, compression ok. no codes. all pids normal.
1993 Pontiac Grand Prix SE 3.1L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1G2WJ14T7P
This car has a erratic idle. It will run rough and smell very rich and then smooth out and idle at a higher rpm.When it is running bad the map sensor goes up about a volt fuel trims go up to ST 174 LT 156.It apears all you have to do is touch the throtle a lit...
1997 Saturn SL2 1.9L engine VIN: 1G8ZK5274V
Thanks in advance. Car came in with check engine light on. Scaned for codes p0341 crank sensor. We saw that when the car was running spark was coming from the crank pully. The crank sensor is in the rear of the block. Pulled sensor and inspected for cracks. No...
2001 Saturn SC2 1.9L No Start VIN: 1G8ZY12781
three days ago car was towed in as a crank/no start. checked for spark and fuel. both good. found spark plugs worn and somewhat fouled with antifreeze. found tsb for updated intake manifold gasket to prevent coolant from leaking and fouling spark plugs. before... Trouble codes: P1599 (engine stall condition detected/history code)
2001 Toyota Camry CE 2.2L Readiness Monitor VIN: 4T1BG22K11
Emissions testing in Illinois requires the OBDII monitors to have been run prior to a retest. If they are not run the center performing repairs is given a failing grade. (as of 02/01/09.) (thank you Illinois) This vehicle does not want to run it's readiness m...
1998 Volkswagen Passat GLS 1.8L Hesitation VIN: WVWAA63B4W
hi everyone, ive got a problem that i cant figure out with this passat. ive got a code for p1559. now for all ive read most likly im going to need to relearn the throttle. i tried with the VAGcom by rosstech. problem is i cant do this without clearing the code... Trouble codes: P1559 (17967 Idle Speed Control Throttle Position Adaptation Malfunction)
2005 Volkswagen Golf GTI 1.8T 1.8L No Start VIN: 9BWDE61J75
customer called in said he needs a clutch car was towed to my shop and we are unable to get it running. called customer and he says went to friends house and car would not start for him and that he did not know why,so please check it out. i put the solus sca... Trouble codes: P1570 (ecu blocked), 01176 (key not allowed), 01304 (radio no communication)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 330Ci 3.0L reverse VIN: WBABN53481
i recieved many replies several said that the drum inside the transmission has failed .we installed a remanufactured unit in and car is up and running.thanks to all
1992 Chevrolet K2500 Cheyenne 5.7L no power VIN: 1GCGK24K6N
thanks to randy [...] for having me check trans data on scanner instead of engine data. trans position was working ok. turned out to be low fuel pressure like most of you guys thought. thanks.
1997 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 1GCEK19R1V
MOST OF YOU SAID DO A COMPRESSION TEST WHICH WOULD HAVE BEEN MY NEXT STEP IF CUSTOMER CALLED AND SAID HE WANTED TRUCK BACK AFTER MUCH TALKING TO HIM I GOT THE REST OF THE TRUTH OUT OF HIM. WHEN HE DROPPED OFF VEHICLE HE STATED ANOTHER SHOP HAD REPLACED ENGINE ... Trouble codes: P1345 (cam/crank correlation), P0340 (cam sensor problem), P0300 (missfire), P0131 (o2s signal low b1s1), P0102 (mass air flow circuit low), P0101 (mass air flow out of range).
2001 Chevrolet Silverado 1500 4.8L Starting VIN: 2GCEC19V51
Thanks for all the help. I did replace the chassis harness when I replaced the fuel pump. I check out the fusebox and replaced the relay. Working good.
2002 Chevrolet S10 4.3L heater VIN: 1GCCT19WX2
First off, want to say a big thanks to Norm,Christopher,Jose,Don, Stephen, Dick, James, Kevin, William, Alex, Philip, Austin, Rick & Karl for their input. Everything I looked at told me we had a restriction in the system. My customer was bullheaded as well as ...
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality VIN: 1GNDT13S82
had some interesting respones. Some f you did suggest t inspect timing. Instead I elected to pull the valve cover and inspect the variable timing system. Found that the variable cam actuatr (cam gear on the exhaust side) was seized. replaced it and shes just f... Trouble codes: P1345 (CMP/ CNK correlation).
1999 Chrysler 300M 3.5L starter and injectors VIN: 2C3HE66GXX
I want to thank all that helped educate us a bit more with that chrys 300. The no start was indeed a "theft lock" situation that blocked fuel delivery. We tried grounding the door sense circuits at the bcm but stll no sucess. At the end of testing, the car was...
2005 Dodge Magnum SXT 3.5L powertrain VIN: 2D4FV48V25
well this one is fixed, i would like to thank everyone for there replys. a few of you mentioned to check the mounts, well we replaced the trans mount and all is well. there really wasnt a hole lot wrong with the mount it self, when we removed it there was a lo...
2000 Ford Excursion XLT 6.8L fuse 14 VIN: 1FMNU41S8Y
Thanks to all who spent their valuable time to respond to my post. Special thanks to John from New York and Brian from Indiana. Checked for possible water intrusion first but this vehicle is as dry as can be. Looked at the running board lights next. When I ...
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPX14514
Thanks to all who offered help. After employing Dave with identifix I believe I have found the answer. Seems 4 psi back pressure at idle and 13psi at less than half throttle snapped indicated a restriction in my exhaust which would explain MAF readings being b... Trouble codes: P0171 (p0174-), P0174.
1990 Honda Civic 1.5L alternator
the only reason alt had not been replaced to this point was because it had been installed by cust. 3 days prior. however like said i removed and bench tested. alternator tested ok voltage wise. We tried to get oem part but nothing available, also looked into b...
1991 Honda Accord LX 2.2L lt signal VIN: 1HGCB7651M
The grounds are good Becous the lights light for the Hazerd and i checked them prier to posting a new switch didnt help and it dos not have a box in the trunk Costimer needs carf to get to work i will try an dup date if he returns Thanks for tring to help.
2002 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D32
Thanks to all replies, after removing the exhaust manifold and rear shield I found a crack where the Hyundai service bulletin shows for warranty issues, told the customer it was covered by Hyundai but the vehicle does not fall under the date of production for ... Trouble codes: P0133.
2005 Isuzu NPR 5.2L No Start VIN: JALB4B16A5
This vehicle turned into a real tail chaser. I borrowed another truck to compare to this vehicle and then realized I had bad test data. Scan readings on the "good" truck were the same as the "bad" truck. I then went to compare everything the old fashion way...
1999 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1JYGW5859X
Well I thank everyone who took time to respond to my help request, I got a lot of good suggestions, but Matt [...] was right on the money. I had 12v. on the cruise switch on/off ckt. at the pcm with the clockspring unplugged,with the ign. off[supposed to be 5v... Trouble codes: P0123, P1596.
1996 Lexus LS400 4.0L ride control VIN: JT8BH22F4T
Greetings all, thanks for all your input. this one is fixed, replaced all mentioned in my update, realigned and no more steering wheel shaking. i'm not 100% on actual culprit, but I believe the strut/control rods (suggested by Chris from Mass.) were the crux o...
2002 Mercury Sable LS Premium 3.0L timing chains VIN: 1MEHM55S02
Got this engine/trans/subframe down. Pretty straightforward, disconnect PCM connector and bulkhead connector on trans. Front exhaust pipe(a bear when rusted) and fuel line. Alt/starter harness down. Disconnect cooling, p/s, trans hoses. A/C lines at comp and p...
2000 Nissan Maxima GLE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: JN1CA31DXY
ya don't always get what ya pay for--after pulling my hair out for 2 days-we went on another ride to the dealer for another flash job and all is finally well-being unfamiliar with nissan's scan tool , i don't know what went wrong , but the next time i will dri...
2003 Pontiac Bonneville SE 3.8L Fuel Injectors VIN: 1G2HX54K83
1st. of all, THANK YOU ALL! Albin, Matt and Harv gave me help in Chat area too. Ray, your idea for me to check ALL injectors, was the lead I needed. I was "randomly" checking for drive signals. After I ohm checked them(11.3-11.6), I found that #1 and #5 had ...
1993 Volkswagen EuroVan CL 2.5L Cruise Control install VIN: WV2HC0702P
Hi, thank you, appreciate 2 replies received, both suggested cruise system pin# detail. Still searching for factory OEM harness install/hookup diagram, prefer a clean OEM CC harness direct hookup than do a 'buildup'. Will update as found.
2001 Volkswagen Jetta GLS 1.8L runs good VIN: 3VWSD69M61
Thank you everyone for your replies. It made it obvious I should check the cam timing and sure enough it was off 1 tooth before the crankshaft. I Put a new belt,waterpump, and pullys on it and it finally smogged. Sorry it took so long to reply but I had to wai... Trouble codes: P0340 (Camshaft sensor circuit).
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