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Prev Professional Automotive Repair Technical Discussions for February 28, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 740iL 4.4L trunk wont open VIN: WBAGH8348Y
I have here a 2000 BMW 740il, it came in here for a valley pan gasket leaking, we replaced it test drove car everything great, customer couldnt pick up for a couple days so we brought the car in and out of the shop great no problem, now all of a sudden it has ...
1988 Buick Century Limited 3.8L rear lights, driveability VIN: 1G4AL5137J
Hello I have this Buick and It is doing weird stuff. Car started running rough and died on the customer. towed in would run but really rough. Taillights are really dim and when you stepped on the brake pedal the rear lights would go out and the front marker la...
1995 Buick Riviera 3.8L No Start VIN: 1G4GD2214S
Hello Fellow Techs, I have a problem with this 95 riviera. 3.8 turbo. Customer called and said MIL lamp was on. Car died in hisdrive and hasn't started since. Towed to shop. Won't start and I have no MIL lamp on dash at all. It won't communicate with my scann...
1997 Cadillac DeVille 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6KD54Y0V
This car was repaired earlier in Feb. because of a misfire & CEL on. Trouble codes were for cyl.misfire, O2 sensor and /maf sensor. Replaced 2/5 coil,B2S1 O2 sensor and MAF sensor. Customer drove to Okla.City,Ok.On return trip he started the car and heard a lo... Trouble codes: P0101
1992 Chevrolet Cavalier RS 2.2L Engine VIN: 1G1JC5446N
Engine cranks. Checked for spark, good spark all 4 plugs. Checked for signal at injectors with noid light, have signal at each injector. Sprayed starting fluid into intake, did not start but backfired thru throttle body. When cranking engine, engine spins and ...
1997 Chevrolet S10 2.2L no acceleration VIN: 1GCCS1447V
Hi all,new to IATN.The vehicle in question came in after being at numerous shops and even the local chevy dealership.Vehicle will run and idle but will not accelerate.Tested for 5v reference at tps and had only 0.15 volts.Tested all 5v references at the pcm an...
2000 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W6Y
Vehicle Came in With A No Start Checked Spark Had Spark. Checked Fuel Pressure, Fuel Pressure To Factory Spec. The Vehicle Will Crank but wont start. Checked With Snap on Scan Tool For Codes Found None. Went into the data list checked all readings Have No Inje...
1999 Chrysler 300M 3.5L door ajar VIN: 2C3HE66G1X
hello techs got a chrysler driving me nuts. vehicle has a door ajar light on all the time. hooked up scanner and saw that drivers door was the one staying open causing lights to stay on also, replaced door ajar switch actually a whole latch and didnt cure prob...
2000 Dodge Neon ES 2.0L No Start VIN: 1B3ES46C7Y
This dodge was tow in and does not crank, check and found fuse 10, 15amp fuse blown, install new fuse, started-up, wiggle test wiring with vehicle running and found no problem at this time. Road test okay, return vehicle, two days later, back again. I have rem...
1987 Ford Tempo GL 2.3L No Start VIN: 1FABP36X5H
Need help on this engine starts dies planty of fuel Psi good spark.When i look for fuel very little and not much on excl when i check wires on fuel injector ones hot other no power when plug back in both wires are hot does this mean I have a bad injector it wi...
2003 Ford F-250 Super Duty Lariat 5.4L 4x4 VIN: 1FTNX21L23
Hi iatn. I am working on this truck trying to figure out why the vacuum from the soliond(on the right front fender) stops appling after about 1 minute. When the vacuum stops, of coarse 4x4 quits. I know the vacuum system from soliond down is ok and holds vacuu...
2006 GMC Sierra 2500 HD SLT 6.0L Excessive oil consumption VIN: 1GTHK29U36
This truck has lost oil psi cold only and psi will fall if throttled on but seems fine when engine is warm.It also is using about 1qt. every 1000 miles it all started at same time
2008 Hyundai Santa Fe GL 3.3L MIL Lamp on VIN: 5NMSG73E28
Hello hyundai techs, this one came in i was only able to do a quick check on it, the customer had to go but i did quick smoke test on it, no leaks detected. I wasn't able to find the pvc valve so i wasn't able to check it. Has anyone ran into this before? The ... Trouble codes: P2187, P2189
1999 Mazda 626 ES 2.5L Stall VIN: 1YVGF22D9X
vehicle stalls cold only when shifter is moved from drive to nutral. when vehicle arrived I was only able to duplicate the fault 2 times then vehicle was too warm. after performing other service work (V/C gaskets, knock sensor, thermostat,LOF) and letting vehi... Trouble codes: P1650 (P/S psi switch out of self test range)
1997 Nissan Sentra 1.6L Starting VIN: 3N1AB41DOV
hi every one i have this little sentra thats very hard starting cold tmp sensor reads good. inj pulse good. spark good. fuel pressure good . twice i shot ether in throttle body and seemed to started alot faster scaned and everything checks good no codes tried ...
2001 Oldsmobile Aurora 3.5L MIL Lamp on, oil pressure light VIN: 1G3GR64H71
Vehichle was towed in as a no-start, battery completely drained. Recharged battery and attempted to start vehicle, no-start. Noticed fuel gauge was reading empty, put gas in tank, vehicle started. (Amazing how that works!) Low oil pressure light is on, check e... Trouble codes: P0463
1989 Pontiac Grand Prix 3.1L Hesitation VIN: 1G25768787
Vin wrong I dont have it at this time. Car came in with hesitation at 1/4 thru full throttle falls flat on its face. Ran fuel pressure test 38 psi and scann codes. Tps locked at 1.54v no sweep disconnected battery Tps voltage good and sweep test good but hesit...
2001 Pontiac Aztek 3.4L Poor Idle Quality, Surge VIN: 3G7DA03EX1
finished with the head gaskets and the car ran fine customer picked it up and said by the time she got home the car was surging when coming to a stop. brought back in and the check engine light was on the code was P0341 cam sensor out of range. scoped the cam ... Trouble codes: P0341, P1336 (crank relearn)
2005 Toyota Camry 2.4L MIL Lamp on VIN: 4T1BE430K1
Last month I installed a used transmission for a torque converter fault, all better. Vehicle comes back right away (after I ran 4 drive cyccles) with engine light on for said codes. I cleared them susspecting I got the trottlebody wet when I washed the engine ... Trouble codes: P0138 (o2 ckt hi volt b1s2), P0606 (ecm processor fault ects)
2003 Volkswagen Golf GL 2.0L interior lights VIN: 9BWEK21J53
Hi folks I have a VW golf here that doesnt seem to have interior lights when you open the driver front/rear and the pass front but lights and chime work when you open the pass rear door. The customer said last time it did this fuse 14 was blown he replaced it ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Chevrolet Impala LS 3.8L lights VIN: 2G1WH55K71
allright this impala is fixed...turns out is was the bcm...replaced bcm and programmed it according to mitchell instructions with tech2 scanner and all is well...thanx to all who took the time to respond it was greatly apprecited..Louis
2005 Chevrolet Trailblazer EXT LS 4.2L MIL Lamp on VIN: 1GNDS13S35
I thank all of you that responded to my request for imformation.It really helped my customer out a lot,but unfortunately she decided to trade the vehicle in for a new car.What is disturbing is that she also gave me a very bad time when i needed to charge for t...
2006 Chevrolet Malibu Maxx LTZ 3.5L No Start VIN: 1G1ZU63846
Finally got this car fixed! The final fix was to replace the BCM(apparantly something wrong inside BCM not allowing a valid theft to learn to the PCM after replacement of Theft Deterrant Module). After BCM was replaced and configured to the options in this c... Trouble codes: B0331 (Security system controller in learn mode), B0355 (No transponder modulation or no transponder).
2001 Dodge Dakota Sport 4.7L Poor Idle Quality VIN: 1B7GG22N51
Truck is fixed, we checked and found the intake leaking with carb cleaner-new guy but he is learning. After the reseal it still idled hi. IAC read 0%. I blocked off the IAC passage and found IAC to go up. Tried a relearn. Blocked IAC passage entirely and truck... Trouble codes: P0121, P0442, P0203, P0202, P0207, P0201.
2005 Dodge Grand Caravan SE 3.3L Electronic VIN: 2D8GP24R35
Thanks to those of you who responded. The recirculation door was shorted and drawing too much current. At this point the customer has decided not to fix the van. If she gets it back for the repair I will post an update.
2004 Honda Civic EX 1.7L hydraulic system VIN: 1HGEM22214
Thanks for the replies,we replaced the power steering pump and the car is working good.
2003 Hyundai Sonata 2.4L engime VIN: KMHWF25S53
pulled engine could not verify what went wrong all timing belt components are in normal condition except at the belt, bottom crank gear has cogs striped off. replacing engine n/c per our warrenty. Win some loose some,never loose your creditability. Thanks to a...
2004 Hyundai Santa Fe 2.4L No Start, Misfire, MIL Lamp on VIN: KM8SB12B64
Well this baby is out the door,I started scoping out signals and found that the cam sensor would produce a signal for about 2 seconds then it would start acting erratically.I had tried a cam sensor (aftermarket) but it looks like it was a defect .Install a new... Trouble codes: P0334 (cam sensor circuit a problem).
1993 Jaguar XJ6 Sovereign 4.0L Poor Idle Quality, Cuts out, Misfire VIN: SAJHW1741P
I reconfirmed everything was okay, recheck three times, tps readings, mass air flow meter, coolant sensor, during normal working conditions and stalling conditions, i ruled out on these components. I continue to check the ecm and found no water or moisture. ...
2003 Jeep Grand Cherokee Laredo 4.7L Rear axle seals VIN: 1J4GW48N73
Hi again, Thanks go out to everyone that replied. I waited to see the vehicle in person before wrapping this one up. It's been over two weeks now and both backing plates are dry as a bone. If you recall, this vehicle returned 1-2 weeks after the first re...
1996 Lexus ES300 3.0L abs pump? VIN: JT8BF12G7T
thank you all for responding. we inspected all items , customer unwilling to have vehicle diagnosis. very intermittant problem. when vehicle returns for repair will post final fix. thank you.
2002 Mercury Sable GS 3.0L Misfire, MIL Lamp on VIN: 1MEFM50U72
thanks for all the help. checked opposing cylinder to #6 which was cylinder 2. found wire to be bad draining coil of energy from cylinder 6 replace plug wires. all cylinder sparks from coil look even. missfire gone.
2005 Nissan Sentra 1.8L No Start VIN: 3NICB51D75
Thanks for all the replies. The timing chain is apparently stretched even though we did a visual inspection. We have found that if you superimpose the cam and crank sensor waveforms they are slightly out of sync. Customer has yet to decide if they want to repa...
2005 Nissan Sentra SE-R 2.5L Poor Idle Quality, Surge VIN: 3N1AB51D55
after installing a new throttle body assembly, i had to preform the idle air volume relearn 4 times to get the idle to fix itself! after each time i took the car for a test drive & when i returned it still was 1500 rpm's. i had read a article that it could tak... Trouble codes: P0507 (idle air speed rpm too high).
2006 Nissan Altima 2.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1N4AL11086
I'm not sure if I've ever been more sore about a vehicle scenario. After replacing the Actuator/throttle body twice, (the dealer said they were getting returned left and right for failures, luckily they had 30 in stock) - it still did not work. I had failed ... Trouble codes: P2101 (ECT Range/Performance), P2108 (ECT Current - Performance/ Short or Open in Motor).
2000 Pontiac Sunfire SE 2.2L Stall VIN: 1G2B1246Y7
She drove the car to work and it wouldn't start at this time. Had it towed in to me. Found both battery cables loose. Cleaned and tightened both cables, charged the battery and - problem fixed. I waited several days before posting a repair to make sure she d...
2004 Saturn Ion-2 2.2L power steering VIN: 1G8AJ52F74
Thanks to all that replied, although fix not completed. All fuses were good. Turning off key and restarting re-set p/s every time. Would always work until turning wheel 2nd direction. Tech borrowed neighbor shops modis and told me the only codes that show ...
1998 Subaru Legacy L 2.2L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 4S3BK4356W
Thank you all, I appreciate your time. Dyrell from Virginia gave some usefull info, both in test specs and encouraging me to look at TSB's more closely. I also did a wider search in the forum archives, much MAF info there. I found a post by Jonathan Riggle th...
2004 Volkswagen Jetta GLS 1.8L overheats VIN: 3VWSE69MX4
A big thank you to all who responded. Using the democratic method of auto repair, the majority of responses indicated a water pump issue, so we went for that. Sure enough the plastic impeller had cracked completely around it's hub area and was just hanging o...
2004 Volvo XC90 2.5T 2.5L Timing VIN: YV1CZ59H14
Thanks for those responded. John from Tennessee was correct about the tiny little marks on the cams just had to line up the little marks with the removable top cover, just wish Volvo would make better marks on these VVT cams and thanks for Matt from North Caro...
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