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Prev Professional Automotive Repair Technical Discussions for September 29, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Cadillac CTS 3.6L HAVAC floor vents VIN: 1G6DP56735
Hello GM techs, this 05 Cadillac CTS makes a ticking noise inside the Heater box cold only. I am pretty sure it's one of the servos.I have been listening with the stethoscope, and the noise is the loudest close to the radio than the firewall. If I change the f...
1991 Chevrolet Corvette 5.7L Poor Idle Quality VIN: 1G1YY338XM
Hi Techs. I have this 91 Corvette with the 5.7 multipoint injection. It has a stumble at idle randomly. It acts like a missfire. It idles fiarly good but every couple of seconds it stumbles and then recovers. It needed a tune badly so I did one complete with n...
1996 Chevrolet C3500 Cheyenne 6.5L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1GCGC34F9T
this vehicle was just bought by my son, and I am not a diesel guy by far, so I am kinda lost on this one! it has a problem with stalling, mostly hot-.. it has some kind of what looks like an aftermarket module on top of motor [labeled ''STANADYNE''] THAT seems... Trouble codes: P0251, P0370, P1216, P1218
2001 Chevrolet Impala LS 3.8L Cooling fans VIN: 2G1WH55K11
This car has an intermittent cooling fan operation. It was driven in overheating. I can manually control the fans with my scan tool and cut them on. I replaced the ECT and it worked fine. Customer drove it a few days and it overheated again and at the same tim...
2002 Dodge Grand Caravan Sport 3.3L No Start VIN: 2B4GP44R82
This Grand Caravan originally came to me with a missfire on clyinder 2. Found and repaired shorted injector harness and replaced fail PCM with a reman from Car Quest. Car ran great for about a month and now it is back as a no start. I turn the key to crank and...
2003 Ford Explorer XLS 4.0L Timing Chain VIN: 1FMDU72K63
Help!!! we're replacing the timing chains on this Exployer and can't seem to be able to get the front cassette out of the head. Anyone know the secret? We've done the rear one already but just can't the front one out. We've got the engine out so there is no re...
1998 Honda Accord EX 2.3L case
Hi please help...I am not a trans guy. I backed this car up, and noticed a leak from the passenger side automatic transmission. Found round hole about the size of a quarter or maybe a half dollar in case! A round blank like piece of aluminum on the ground. Bla...
2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GTDN13636
I am having trouble finding a definitive answer to why this vehicle has a misfire on cyl #2 at an idle. The code I have is for a random misfire but watching it on the modis shows cyl #2 missing all the time at an idle. I swapped the ignition coils, swapped the... Trouble codes: P0300, P0128
1997 Jaguar XK8 4.0L No start VIN: SAJGX2740V
Ive inherited this mess from another shop and it's a no start now I have quite a few codes coming up and not even sure were to start? Apparently the other shop came up with p0354 and p0352 which are ignition coil codes, so they changed two coils then the misf...
2007 Kia Rondo LX 2.7L Misfire VIN: KNAFG52697
Thanks in advance for any help on this issue.At idle vehicle will start to misfire after running about 3 minutes with check engine light flashing,but on misfire monitor shows misfire on number 2 counting off 0 on all others,changed coils,plugs,clear codes misf... Trouble codes: P0300 (Multiple cyl. Misfire), P0301 (Cyl 1 misfire), P0303 (Cyl 3 misfire), P0305 (Cyl 5 misfire)
1982 Mercedes-Benz 240D 2.4L fuel sending unit VIN: WDBAB23A1C
The dash gauge shows more fuel than is in tank and car runs out of fuel. Gauge shows 1/3 when car ran out and died. Customer put 5 gals in and gauge reads 3/4 tank. Removed sending unit from tank and measured resistance and could find no problem. Fuel level in...
2010 Nissan Sentra S 2.0L door ajar warning VIN: 3N1AB6AP3A
customer states that after recent body repair that the indicator for r/r door was inop in cluster and that it showed the 3 other door ajar messages specific to location in cluster it went back to body shop and had r/r door switch replaced and now only shows l/...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Buick Regal Limited 3.1L No Start, Stall VIN: 2G4WD14T4L
Well, this one seems to be a fix. Thanks for all the advice on the fuel injectors on this car. It seems that when one injector fails, it causes the pcm to shut down injector pulse to them all. By the way, Mitchell says something similar but says that an inject...
1996 Buick Roadmaster Collector's Edition 5.7L Poor Idle Quality, Misfire VIN: 1G4BN52P3T
Customer declined further testing. If/when problem worsens, vehicle will return for compression and leak down test. I will also borrow a boroscope and try to get a view on the intake/exhaust valves. The harmonic balancer seemed to be ok. Thanks for all the hel...
2005 Buick LeSabre Limited 3.8L auto climate controls VIN: 1G4HR54K15
Well this will teach me not to skip the basics. Had tried the vent motor relearns(twice) checking for codes ect.. but got caught up in the whizz bang scanners and electronic didn't check basics. As many of you pointed out the charge was a little low(added 5 ...
2001 Chevrolet Silverado 1500 5.3L power steering pump VIN: 2GCEK19T41
First of all thanks for the many great replies. Some of you have had similar experiences to mine. Multiple pumps with no easy resolution. Well I think we can put this one to rest. The bottom line to this problem appears to be a contamination issue. What was ...
2005 Ford E-350 Super Duty 6.0L Not Charging VIN: 1FDWE35P35
vehicle is o n hold waiting for pcm thank u every one that has replied once again every one out there has been for years such a special helpful group thank you all
2006 Honda Civic LX 1.8L Poor Idle Quality, MIL Lamp on VIN: 1HGFA16576
thanks for all the help. well we tried everything new throttle body clearing computer idle relarn vacum leaks endud up being a computer reflash by the dealer. we spoke to dealer they said it wouldnt fix problem i finally said we checked everything has to be an... Trouble codes: P0507.
2009 Jeep Wrangler Unlimited X 3.8L SRS,lights, turn signals VIN: 1J4GA39169
Thanks for all the replies. We had a shorted hazard switch. I had no real way to test it without seeing data. We used only a DVOM and had it scanned when the TIPM was replaced and flashed. By disconnecting all downstream circuits after the cluster was replaced...
2006 Land Rover LR3 HSE 4.4L front wipers VIN: SALNM22262
Actually this is a partial fix.Owner is satisfied that the intermittent wipers are working properly and did not realize that he even had rain sensed wipers. I think a rain sensor would have fixed this problem correctly but the owner rules. Norman [...]...
1988 Mercedes-Benz 300E 3.0L Surge, Stall, MIL Lamp on VIN: WDBEA30D3J
I'm Not Sure If This Is A Fix Or Not But I Got A New OPR From Benz And Just Waiting To Hear From The Customer As To The Results. Thanks For The Help Trouble codes: 3 (Coolant Sensor), 5 (O2 Sensor), 8 (Altitude Correction Capsule).
1988 Oldsmobile Cutlass Supreme SL 2.8L Hesitation, Surge, Stall VIN: 1G3WS14W0J
Ok, first I want to thank everyone for your response. I pulled the upper manifold and checked resistance on all injectors. Found # 1 and 4 to be low. Replaced them and all is well. Thanks again for your help! Trouble codes: 33 (34 -), 34 (44 -), 44 (64 -), 64 (testing and results).
2008 Pontiac Grand Prix 3.8L Stall, no starter VIN: 2G2WP55238
installed replacement pcm,had another local shop reflash and all is well.test drove a few days and worked great.thanks to all evan the gentleman that replied in spanish,dont know what he said, but thanks for the thought.
1998 Volkswagen Cabrio 2.0L No Start
Hello and thanks to all who respond to my help request,this car is fixed and the problem was defective aftermarket crank sensor witch VW calls engine speed sensor,it was so confusing this crank sensor signal because I had very good signal when the car was runn...
2005 Volkswagen Passat GL 1.8L starter VIN: WVWAD63855
thank for all your helb car is fix we descenekt battery over night car is fix
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