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Prev Professional Automotive Repair Technical Discussions for July 24, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1987 Chevrolet Nova 1.6L Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: 1YSK5140H7
We have an interesting problem here. Car has a motor with 5,000 miles on it. Owner broke the transaxle and car set for about a year. We replaced the transaxle with a used unit. Motor would idle but would not accellerate before or after transaxle replacement. ...
1993 Chevrolet S10 4.3L no mil light VIN: 1GCCT14Z4P
Truck came in with customer stating that after truck becomes hot it will shut down. Temp gauge was not working and I replaced bad sending unit for gauge. Truck runs around 200-210 degrees in shop and was not able to confrim shut down. It does start too run rou... Trouble codes: 14 (coolant sensor high), 15 (ECT low), 23 (IAT low), 32 (egr error), 34 (map sensor circuit low), 35 (IAC error)
2002 Chevrolet Cavalier 2.2L compressor
ok gm technicians were do i start i hooked up scanner pushed ac button on dash computer on data screen says no a/c demand to energize clutch relay i already know i have power at the clutch relay at both spots and if i ground the relay were the pcm is suppost t...
2003 Chevrolet Silverado 1500 HD LS 6.0L pressures
Sorry that I don't have the vin and exact milage on this truck, but I have thought about this all weekend, and I wanted to get the post off now, so I could see some ideas tomorrow. This truck came in with no belt on the compressor. Since we had replaced the be...
1996 GMC C1500 Sierra SL 4.3L peddle travel VIN: NOT AVAILA
hay guys got a gmc with excessive brake pedel travel after reparing rear main brake line and front pads and rotors bleed brakes profusely front and back no difference ... the brakes seem to work fine lock up good kelsey hayse abs works good you dont need push ...
1993 Infiniti J30 3.0L waterpump VIN: JNKAY21DOP
Hi To All, This one came in on the hook with complaint of overheating.Radiator tank was split so we replaced the radiator and t-stat and retested and found waterpump leaking from weep hole. We replaced the pump with a reman and thats when the fun began. We st...
1997 Nissan Maxima SE 3.0L vibration VIN: JN1CA2ID4V
Hello Its very hard to describe this problem. I cannot duplicate the symptoms despite trying multiple times. It only occurs when driving over 60 mph for an extended period. And it only occurs intermittently. The customer is complaining of a noise coming fro...
1992 Oldsmobile Toronado 3.8L Misfire VIN: 1G3EV13LON
I seem to be having a problem that I thought was going to be a piece of cake! I have a engine miss under load that I cant find. After replacing the plugs and wires (Orignal) I found the crankshaft sensor was loose in its bracket and hitting the dampner shutter...
1993 Oldsmobile Cutlass Ciera 3.3L Excessive Emissions, Hesitation
I have tryed to figure this car out ,we have checked it several times and nox prog. gets worst.Car has 84.000 miles on it and runs really well other then slight hes. esp. when cold.Scanned car all data looks good other then block l. seems a little high(around ...
1994 Volkswagen Jetta GL 2.0L No Start VIN: 3VWSC81H5M
Car came in as no start.Turns over but found computer will not ground power relay at computer termenal #9(Black/Brown wire)and will therefor not power up any sensors,fuelpump,etc..If it has a check engine light it is not working. If the wire is jumped to groun...
2001 Volkswagen Beetle GLS 1.9L low power VIN: 3VWCP21C91
This car came in for 50k Service which we replaced the timing belt and performed fuel service. After the car was returned to customer the previous owner drove the car and had noticed the car did not run the same when she owned it. At this time the owner brough...
2000 Volvo V70 2.4L System Shuts Off VIN: YV14W61J2Y
All of the mechanicals check out within spec. Vehicle A/C stops working when a gear is selected, forward or reverse, and the vehicle starts to move. This seems to be the repeatable reason for the A/C to stop working. Fan still blows, but it is warm air. This i...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi A6 Quattro 2.7L cylinder head or block VIN: WAUED64B71
The auxilliary H2O pump was the culprit. Thanks to all who helped. We now have another notch on our belt. Keith
1991 BMW 318i 1.8L pressure control solenoid? VIN: WBACA42050
the problem with this one was the fact it was so intermittent. We were 99% certain that the fault was s software glitch. The problem was that here in australia we cant buy the eeprom seperately & we didnt want to pay for a complete new ecu. Also reco units cou...
1956 Chevrolet 150 350CID Excessive Emissions, Poor Idle Quality VIN: 5612345789
Thanks guys for all of the replies.Based on all the info I received sounds like I have a weak engine.Sorry that I did not give more info in my request for help.I did not build the engine it was in car when i got it.I did however install elect ign.I also have h...
2001 Chevrolet Malibu 3.1L Surge VIN: 1G1ND52J61
I got replies saying the egr was bad, the tcc had problem, but I was unable to find the problem. I will continue to try to find the fix and share it with you all, thanks for the replies
2002 Chevrolet Venture LS 3.4L compressor VIN: 1GNDX03E32
thanks to all who replied to my request, I received several replies from a weak compressor, updated condenser, low airflow through condenser, expansion valve. etc.. At this time customer wanted to try the updated condenser as per bulliten # 02-01-38-004A and i...
2003 Chevrolet Trailblazer North Face 4.2L transfer case VIN: 1GNDT13S93
Hello thanks for the replies. Turns out this vehicle had been to the dealer several times for a service 4wd light and no problems were found. Replaced the encoder motor and was able to get function and switching but not good, was nec. to replace the module and...
1996 Chrysler Cirrus LX 2.5L No Start VIN: 1C3EJ56H8T
Thanks for all the help with this car it turned out to be the crank sensor was shorting out the 8volt ref. and bringing it down to 5 volts again thanks to everyone that responded
1999 Dodge Caravan 3.0L rotors VIN: 2B4FP2531X
Thanks to all who responded to my cry for help. Most of the replies had valid information. Brakes did release when vacuum valve was pulled from booster. Pedal clearance was fine.My wife and I took it for a long drive one evening (took it by the dairy with the ...
2002 Dodge Ram 1500 Truck 4.7L a\ci VIN: 1D7HU18N12
Thanks very much for the excellent replies. Since I do not work on the refrigerant side of A\C systems this one had me going for a while. The replies were devided 50\50 between broken blend air door or motor & low refrigerant charge. After rechecking the opera...
1995 GMC Safari SLE 4.3L Unknown VIN: 1GKDM19W5S
Hello Guys, Well it's fixed. The replies I recieved mostly concerned grounds & power connections at battery,body,& PCM. All these checked out OK. Bill from California hit the nail on the head when he said to jump the battery because it may have a voltage drop ...
1993 Mazda B2200 2.2L bogs down under load VIN: JM2UF3137P
Hey guys, I appreciate the replys I received on this one. There were several good comments and suggestions; Possible restricted primary and or secondary catalyst, leaking pulse air control valves, etc. but as I had stated previously; the problem completely dis...
1997 Other European 550maranello 5.5L elec shocks VIN: FERRARI550
thanks for the replies and offer to help.after getting this 550 back in shop,itook all 4 accuator motors off of there shocks and found one that make more noise than the others.i looked at the top of the 4 shocks and found a small piece of casting broken [same ...
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