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Prev Professional Automotive Repair Technical Discussions for May 22, 2004
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Help Request Answers
1989 BMW 535i 3.4L Battery VIN: WBAHD2302K
Hello there. This vehicle has a problem with the battery goind dead if left sitting for a few days. A parasitic load test shows 61mA draw. Located most of the draw on the no. 20 fuse in the underhood power distribution centre. When this fuse is removed the dr...
1992 Chevrolet C1500 Cheyenne 4.3L tcc lockup VIN: Z7NZ228068
no overdrive. it slowly went away and then would not go into overdrive at all. would only go into overdrive when cold then noe not at all.
1996 Chevrolet C3500 7.4L Misfire
Got a ... big block with a lean misfire to say the least. Ill try to make this short as possible, cause Ive spent lots of time on this truck. To start out this is a fleet vehicle that is inside a steel plant and it never goes over 25 to 30 mph. Truck came to s...
1998 Chevrolet Venture 3.4L water pump VIN: IGNDX03E1W
We have put two water pumps in this 3400 engine (both from NAPA) and they both lasted a week and a half and came back leaking at the weep holes. I am curious if this is a water pump problem, a coolant problem or a tensioner problem. Or maybe a NAPA problem. We...
2000 Chevrolet C-Series Kodiak C6H042 7.2L MIL Lamp on VIN: 1GBJ6H1C9Y
2002 Chevrolet Silverado 1500 5.3L overheat VIN: 2GCEK19T22
HELP please. Truck came in with overheating condition. Sympton starter suddenly. After drive of less than 1 mile gauge goes all the way up and computer system says it is hot with gauge and our Tech 11 scanner. Every time this happens we check block with lazer ...
1998 Dodge Ram 1500 Truck 5.2L oil leak from filter area VIN: 3B7HC12Y1W
We have a oil leak comming from behind the oil filter. It gushes oil unless the filter is way overtightened. We have (1)exchanged filters, (2)exchanged the stud & plate from a scrap motor, and (3)installed a new gasket and plate from DC Parts. This started aft...
1993 Ford Crown Victoria LX 4.6L MIL Lamp on VIN: 2FACP74W8P
Vehicle came in with MIL on intermittently. Codes 332 (EGR low flow) and code 634 (P/N switch low voltage). OK, I was aware of the problems concerning code 332. I removed throttle body elbow and cleaned EGR passages, which were plugged solid. I found a hole in... Trouble codes: 176 (Bank 2 Lean), 177 (Bank 2 Rich), 542 (Fuel pump secondary circuit)
1999 Ford Escort SE 2.0L controls VIN: 1FAFP13P6X
After putting on new parts we tried to run a.c. The clutch will not inguage on a.c. and defrost, but it will enguage on everything else. That's right, it works backwords. We tried the constant contol relay module,both pressure switches on the a.c. lines,and al...
1993 GMC G2500 Rally 5.7L running lean VIN: 2GTEG25KXP
Van came in originally for an intake manifold and poor running - information not too specific. I found that the PCV system was plugged at the throttle body and I removed and cleaned up the whole thing. Took van out and it ran fine. Replaced intake gaslets - le...
1999 Jeep Wrangler Sahara 4.0L Speedometer VIN: 1J4FY49SXX
I tried my Snap-on Scanner, and when I select trans, it sends me back to the engine portion of the computer. I found no place to adjust for tire size anywhere. Has anyone had any experiance with doing this on a Jeep 5spd? His dealer is no help either.
1996 Lincoln Mark VIII Anniversary 4.6L air ride
concern is intermittant in nature, hoping someone has dealt with a similar condition, and can offer advise---although I have never been able to duplicate concern, the complaint is air ride system occasionally airing up always in the front, and sometimes the en...
1980 Mercedes-Benz 450SL 4.5L No Start VIN: M239034F5H
does anyone know where the fuel pump relay is located on this vehicle thanks jay
1995 Mercury Mystique 2.5L overheating VIN: 1MEM265836
this car came for ac service not blowing cold low side psi was about 80 so i revac and charge system 2 days later comes back overheating temp gauge rides at 3/4 at idle and maxs when driven i have flushed and replace therostat and checked flow thru radator is ...
1992 Oldsmobile Cutlass Cruiser S 3.3L Cuts out VIN: 1G3AL54N2N
Car came in from another shop. They installed a used ignition module and coil pack. Car starts fine but when it hits 220 degrees it shuts off, if you wait 10 minutes it starts right back up until it gets to 220 again. We loose spark but not injectors. We scope...
1998 Oldsmobile Bravada 4.3L Electronic VIN: 1GHDT13W1W
This Bravada is irritating me big time! The problem is related to the electronic climate control. The blower runs almost full speed at all times when set in the auto mode. Also the heat is always almost full hot, even with the A/C on. I cannot control the temp...
1999 Pontiac Grand Am SE 2.4L instrument cluster VIN: 1G2NE12T7X
I have electronic cluster that will light up all warning lights,tach and speedometer needle will peg to right then go back to normal operation.This will happen at any time while driving.No other concerns.I do not have a tech 2 to check for codes.I believe it m...
2000 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NF12T7Y
This car came to me with a loud rattle in the front of the motor and an intermittent misfire on #1 cylinder that got better as it warmed up. I decided to replace the timing chain tensioner, chain and gears. This eliminated the rattle but it did not eliminate t... Trouble codes: P0301
2002 Pontiac Grand Prix GT 3.8L upper intake VIN: 1G2WP12K12
Hello all. Customer brought vehicle in Friday with the following complaints. Running poorly, brake pedal hard, SES light with 3 DTC's. P0101 MAF performance, P0131 HO2S ckt low V sens 1, P0300 misfire. Found upper intake manifold melted above EGR feed tube cau...
1990 Toyota Tercel 1.5L Excessive Emissions, Poor Idle Quality VIN: JT2EL32D0L
hi all toyota tech . i have this 90 tercel run rich when cold. it has variable venturi carb not too familiar with it .carb flood easily.need help thanks
1993 Toyota Camry LE 3.0L shifts/downshifts VIN: JT2VK12E1P
Transmission feels like has no throttle pressure, short shifts all gears, all throttle pressures. No downshift with any amount of throttle. Grommet on downshift cable is adjusted at end of rubber cover. When you hold throttle full open you can still pull out t...
1998 Volkswagen Jetta GL 2.0L dash illumination VIN: 3VWRB81H9W
HEY HEY EVERYBODY! I'm farfrompukin on the german beauty but, I still need some help from my IATN buddies. here's the story. customer brought car in for check engine light. cruise inop and interior illumination inop. ck engine light was a tranny code. (mechani...
2001 Volkswagen Passat GLS 1.8L Hesitation, MIL Lamp on VIN: WWWPD63B01
there are not really any symptoms, the customer states that sometimes it might hesitate on accelleration. main complaint is that the light is on. our scan testing shows long term fuel trim at +99% and short term at +13%, maf is 4.5 gm/sec o2 sensors look norma... Trouble codes: P171

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1966 Chevrolet Corvette 427CID AC charge VIN: 194676S122
Received many replies to this one, and many thanks to each and every one. Replies ranged from change the fittings and recharge. To change hoses, compressor, oil, fittings,and drier. Some mentioned the fact that this car would be equiped with a POA valve, fille...
1990 Dodge Daytona Shelby 2.2L No Start VIN: 1B3XG74C2L
Hello again and thanks to everyone who replied.I apologize for the long wait but we used this car for a filler and been too busy to spend alot of time on it.Anyway we ruled out the alarm system as all switches checked out and even tried another alarm module. W... Trouble codes: 54 (no cam sync signal).
1992 Dodge Spirit 2.5L fan/alt/wp/belt VIN: 1BX3XA46K5
I would like to close my help request with a fix. I posted on Saturday May 1.By Sunday the following Techs replied. Most suggested and were correct that the alternator bushings/rubber insulator were the cause. The water pump pulley was second on the list of su...
1999 Dodge Neon High Line 2.0L MIL Lamp on VIN: 1B3ES46C9Y
Hi, thanks for your assistances. I first looks for corroded wirings under the battery tray, but there's no wirring looms there. Then I remove the electrical connection at the trans for the torque converter to measure the resistance across the solenoid. It was ...
1995 Fiat Punto 75 1.2L Stall VIN: ZFA1760000
All three replies suggested looking and adjusting the base idle position. I had already looked at this and adjusted it, however this response got me to look at it again and using the spec supplied by Malcolm was able to tune the car and achieve a great result....
1996 Ford F-150 Special 5.0L Poor Fuel Economy, MIL Lamp on VIN: 1FTF15M5TL
Thanks to everyone that responded. After replacing intake gasket pcv valve pcv hose and pcv grommet, code 171 and 174 still returned. Well, after many test and lots of head scratching I found a small ball brg in one of the vacuum line to the air injection syst... Trouble codes: P0171 (bank one lean), P0174 (bank two lean).
1998 Ford F-150 Lariat 4.6L Hesitation, Surge VIN: 2FTZX08WXW
Thank you for all of your help, I scoped the front and rear speed sensors while driving and the front was erratic, I replaced it and all is well, Joe Trouble codes: P0503 (Vehicle Speed Sensor Intermittent/Erratic/High).
1997 Geo Metro 1.0L MIL Lamp on VIN: 2CQMR226XV
Haven't recieved approval for what I believe is the problem.. Pulled the crank sensor and rotated crank while watching for tines on pulley to go by only counted 5 and saw a spot where 6th was broken off. Waiting for customer to approve new crank gear and timin... Trouble codes: 0301 (Misfire cyl 1).
1999 Honda Accord EX 2.3L Excessive Emissions, Hesitation, Cuts out, Stall, MIL Lamp on VIN: JHMCG5551X
Thanks to the many of you guys who promptly responded. I however feel and look like an idiot, though. Yes...the VTEC and coolant fan switch connectors were swapped. That took care of the fans staying on and the VTEC malf. DTC but we could not rev the engine du... Trouble codes: P1259.
1993 Mercedes-Benz 300SE 3.2L Battery VIN: WDBGA32E3P
Thanks to: Robert from TX, Robert from GA, Alain from CA, George from CA, Ron from GA,& Larry from NJ. The drain was caused by the radio. Other possible causes mentioned were: Key shut-off relay, steering angle senson, mirror illumination, gove box and trunk l...
1974 Other European SilverWraith 7.0L master cylinder
Many thanks to all who replied to my post and took the time to explain the system operation. Many had stated that the accumulators are problematic on these cars, but testing has shone that the #2 pump had failed. The customer is still mulling over whether or n...
2000 Pontiac Sunfire GT 2.4L Valvetrain? VIN: 1G2JD12T6Y
Well guys, Thanks for all the help on this, I probed a little deeper with my stethascope this time. It does sound more like a rod. Was going to pull the pan and check (thankfully thats alot easier then the head on one of those fine pieces of GM, But My neigbor...
1987 Porsche 911 3.3L alarm integration VIN: WPOJB0938H
This Turbo is back in action. I received 5 good replies with some great information in how the fuel system safety circuit works, however, this vehicle's problem had nothing to do with the alarm as was first suspected. I found that the after-market alarm does n...
1991 Volvo 740 2.3L Poor Idle Quality, Stall VIN: YV1FA8849M
Again IATN has been very helpful. They say you live and learn. I would like to think thats true. Anyway I was so worried about getting Dist. in right I just never thought about the flywheel bolting on more than one way. After taking Trans. out and lining up fl...
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