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Prev Professional Automotive Repair Technical Discussions for May 31, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
1994 BMW 320i 2.0L No Start VIN: WBACB12080
Hello, car came in with crank sensor code and intermitant hard start cold, found insulation on sesnor wires missing and wires touching. Replace crank sensor, no codes but now car won't start with sensor connected, only disconected (must use cam for ref). Doubl...
1991 Buick Park Avenue 3.8L Hesitation, Stall, Misfire VIN: 1G4CW53LXM
Hi, Why does all teh hard to repair cars have to be owned by a relative (My parents) This one has very low power under acceleration and will backfire on acceleration and sometimes when raising the RPM in park. I've done the noted repairs and tested the fuel pr...
2005 Chevrolet Colorado Sport 2.8L MIL Lamp on VIN: 1GCDT14805
Good morning,I need help. This truck was brought to me because of evap codes after the engine was replaced.The harness and valves were changed over from the old engine.We found a broken wire that was the ground side for the evap vent valve repaired wire then w... Trouble codes: 443 (Purge valve fault), 449 (Evap vent valve low), 300 (Multiple misfire)
2005 Chevrolet Impala 3.4L No Crank VIN: E559394552
This 05 Impala has me confused! I have a no crank no start condition. I have battery voltage at the starter, but what i don't have is power at the purple signal wire. I have checked the wiring to the relay. I have power on the red and pink wires, and power (on...
2006 Chevrolet Trailblazer EXT LT 4.2L p.window VIN: 1GNDT13S76
Hi,my customer has a trailblazer in Belize at his 2e home,and all his go randomly down while driving down the road,and go back up later again,all by them self,has anybody seen this? is there a BCM to controle this,or just the main door switch in left...
2002 Dodge Intrepid SE 2.7L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2B3HD46842
Mentor scanner says cam/crank sync -33 degrees start sync ok, run sync out Does anyone know what the cam/crank sync should be? Is there a way to resync? Thanx!!! Trouble codes: P0355
1978 Ford f-600 330CID starting system VIN: 1278ZB45T1
ok guys Im a member of a local volunteer fire dept and we have a 1978 ford f-600 tank truck thats kind of puzzling me. they called me the other day and said truck wouldnt start, thought starter had went out. i went and checked it and when you try to crank it, ...
1997 Ford Taurus GL 3.0L Mechanical VIN: 1FALP52U7T
I have this customer that is from out of town and inherited this car from his grand mother and from the milage it seems that it sat in the garage most of the time. It has the typical ford problem of leaking fluid from the front transmission seal when it gets h...
2000 Ford Ranger XL 3.0L Mechanical VIN: 1FTYRI4V7Y
Had customer come in with this Ford Ranger with a 4R44E Transmission with a complaint of a slipping transmission "NO PULL" in any gear other than 1st & Reverse. Pulled dipstick and transmission fluid was severly burned. Removed transmission & disassembled unit...
2002 Ford Expedition XLT 4.6L high pressure VIN: 1FMZU73K32
this truck came in with a seazed ac compressor. I put a new compressor, orfcie tube, replaced the receiver dryer adn flushed the system. This truck has a rear airconditioning unit btw. I put the recomended charge and oil in and the pressure imediately spiked t...
2005 Ford Focus ZX4 2.0L MIL Lamp on VIN: 1FAFP34N05
Got a good one here. car runs good. only the engine light is on code p0411 for faulty air pollution system. no code with key on engine off. code p0411 with koer. pump runs and pumps. vacuum is good to solenoid. solenoid works, from which the vacuum flows to di... Trouble codes: P0411
1999 GMC Savana 1500 5.0L MIL Lamp on VIN: 1G53678563
cant seem to fix p0340 sets right away have replaced dist due to worn cam gear, Have good square pattern at pcm with scope reluctant to replace same old story $$$ pcm looks rough white powder but pins look ok Trouble codes: P0340
2003 Honda Civic DX 1.7L no ac compressor VIN: 2HGES16463
No ac compressor and no AC cooling fan when AC requested. Green light come on on button, but that's it. All blower speeds works. Pull the AC codes with the control panel and got the check engine light flashcode number 5... well that doesn't exist according to ...
2000 Infiniti I30 T 3.0L cooling system VIN: JNKCA31A1Y
I'm not familiar with this engine and hoping someone can confirm what I suspect is the source of a coolant leak on this car. Car has coolant dripping off of oil pan at left side of engine. Pulled ac compressor and alternator out of the way for better visual an...
2004 Nissan Quest S 3.5L No Start VIN: 5N1BV28U54
Hi all, been away for a while. Had a Quest towed in with no start condition, cranks great but, have no spark, noid light won't light, don't hear a fuel pump, and get "no communication" from ECM with any scanner. Anybody got any ideas, or run across this one be...
1990 Plymouth Voyager LE 3.0L limp mode VIN: 2P4FH55351
The transmission is in limp mode. there is no power to engage ETAX relay. If I power the relay, when you put it in drive, the Torque convertor locks up. There is no power to pin 56 and 57 unless you power the ETAX relay. I figured I would bypass the relay, e...
2000 Porsche Boxster Roadster 2.7L Ims VIN: WP0CA2982Y
Hello to all Porsche techs, this vehicle came in to have some oil leaks to be taken care of. Of course the rear main is suspect of leakage. At the same time I removed the intermediate shaft flange and to may surprise the bearing is about ready to blow. What a ...
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & CEL flashed s... Trouble codes: P0301 (misfire cyl. 1), P0302, P0303 (cyl 3), P0304
1993 Toyota Tercel S 1.5L hydralic system VIN: JT2EL43DXP
We have this tercel in the shop, customer has had car for just over a year. He had some bearing noise which we have fixed. He just had his summer tires put on and said he noticed that he can not lock up his rear brakes. When asked if this is a recent event or ...
2003 Toyota Camry LE 2.4L MIL Lamp on VIN: 4T1BE32K13
why is it only my vehicles give me this trouble??? unit had a code p0010 which i troubleshot using toyotas manual and found the ocv to be open, replace valve and drove around for a few days, light came on w/code p0012, troubleshot per toyotas book again and r... Trouble codes: P0010
2001 Volkswagen Jetta TDI 1.9L Hesitation, Cuts out, MIL Lamp on VIN: 3VWSP29M91
Hi thanking everyone in advance for any help you can give. Under part to heavy acceleration check engine light comes on and car looses power turbo cuts out restate car it will reset and work fine till next heavy acceleration. Replaced glow plugs to get rid of ... Trouble codes: 16764 (glow plug monitor), 17965 (charg pressure regulation control limit excedded), P1256
2002 Volkswagen Jetta GL 2.0L Noise VIN: 3VWSK69MX2
We see more and more of these VW transaxles with noisy final drives-but have never replaced the bearings or gears in one. It sounds like it may be excess slop in the bearings, but I am not sure if this noise may also be the gears. We have seen 4 of these in th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet K1500 Silverado 5.0L Excessive Emissions, Poor Idle Quality, Surge VIN: 2GCEK19H3R
Thanks to everyone for the helpful suggestions. Fuel pressure was right around 15 psi. I removed the egr for a visual inspection and it opened and closed fine. No concerns found with the evap system, vacuum leaks or intake gasket concerns. I removed the distri...
1998 Chevrolet Cavalier Z24 2.4L Cooling Systems VIN: 1G1JF12T3W
thanks guys for the turns out to be heater core.even though i had must be partially clogged. it was just enough restriction caused engine to run 20 deg hotter than normal.flush out the heater core. let it run at idle and the gauge stayed at...
2000 Dodge Ram 1500 Van 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B6HB11X6Y
I finelly got this vehicle back for further diagnosis and thats because it seems to be running worst now after a long trip to CA. Vehicle came back with a dead mis on cyl. #6 at idle but fades away at high idle. It turns out its got low compression on some cy... Trouble codes: P0300 (Multiple misfire), P0301 (Cyl. 1 misfire), P0303 (Cyl. 3 misfire), P0305 (Cyl. 5 misfire), P0306 (Cyl. 6 misfire), P0320 (No crank ref. signal at PCM).
1997 Ford F-150 Lariat 4.6L MIL Light ON VIN: 1FTDF1767V
Thanks for all of the responses. The special tool used to adjust the range switch fixed this concern. This taught me to never ignore diagnostic steps because you think they are not important. Thanks again.
2006 Hyundai Elantra GLS 2.0L shift 2-3 VIN: KMHDN46D06
customer opt out of repairs and will continue to drive against my warnings. but from what i found it seems the bands were staying engaged while shifting thus causing the buck or bang. but never confirm it. but i thank all that have helped!!
1988 Lincoln Town Car Signature 5.0L Poor Idle Quality VIN: 1LNBM82F2J
I was able to locate the PCV valve on the Town Car this morning. Someone had left the valve connected to its vacuum hose but pulled the valve out of its housing on the back of the intake manifold. The breather was completely sludged with oil, but a new breat...
2004 Lincoln LS 3.0L Misfire VIN: 1LNHM86S34
Well we think that we have this fixed. As stated before we have hosed down car to try to get problem to happen no good.Thanks to MARIO DOUG MIKE JOHN AND RUSSELL that all mentioned a tsb for this problem on this car but with V8 not V6 to replace cowl seal,part... Trouble codes: P0304.
1998 Mitsubishi Eclipse GS 2.0L Poor Idle Quality, Misfire VIN: 4A3AK44Y8W
sorry guys no fix for this one the customer declined any more testing. this was most likely a valve timing issue. like many of the guys stated, But I was not given the chance to prove this.
2004 Nissan Sentra 1.8L Unknown VIN: 3N1CB51D74
Well, a little dissapointed here on the replies. But, thanks to the people that at least gave an effort. I have never heard a power steering pump knock the way it did on this vehicle. That was my question. Can a pump knock or are they known for doing this....
1989 Pontiac Firebird Formula 5.7L No Start, Stall, No start cold VIN: 1G2FS2185K
Hi Again Y'all!! I still need some help. The stalling @ idle is still there. The injectors were bad. When warm #3 was shorted 5ohms and #5 was out of spec too. Now it starts good and runs SO much better. I'm not happy with the tps! .54v at idle but, it wont go... Trouble codes: 52 (Customer had unplugged timing connector DUH).
2005 Saturn Vue 2.2L Unknown
Customer did not return so Ineed to close this request. There were replies for iether abs or transmission problems, Iwould have to believe it to trans related. If it was abs related the brake pedal would have to be depressed. This vehicle would make this soun...
1997 Toyota Previa LE 2.4L Cooling Systems VIN: JT3GK12M9V
As most of you probably noticed, the reason I asked for help was the challenge of the fix. The customer has decided not to go ahead with the repair, which would be removing the head and getting it crack checked. One of you kind people out there hit the nail on...
1998 Volkswagen Beetle 2.0L Compressor VIN: 3VWBB61C7W
Hello, thanks to everyone for their replays, specially to Chris, he was right, the cut off swicht on the coolant system was the problem, only costs 25$ from the dealer, replaced today and so far AC is working ok.
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