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Prev Professional Automotive Repair Technical Discussions for July 5, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1993 Chevrolet Cavalier RS 2.2L No Start, Stall VIN: 1G1JCI442P
Hello, I have this Cavalier that will start and run for 1-2 seconds then stall. If you hold the key between crank and run everything works fine. (I have seen this problem many times on Hondas and replacing ign switch fixes it) Well another tech had allready re...
1995 Chevrolet K2500 Cheyenne 6.5L Excessive Emissions VIN: 2GCFK29S8S
This ones eating my lunch. Hope someone out there is diesel intelligent. Truck came in setting code 36 - injection pump width long. Installed a new injection pump from gm. No more light. But the truck is blowing black smoke on medium acceleration and is low on... Trouble codes: 36 (injection width long)
2001 Chevrolet Venture LS 3.4L Misfire VIN: 1GNDUO371D
Vehicle came in with MIL on. checked all the basics, code scan and it showed P0300, misfire. traced it to the number two cylinder. comp test showed OK. tested plugs and wires, they showed OK. I even replaced with new to make sure. Coils put out good voltage. I... Trouble codes: P0300 (misfire)
1991 Chrysler New Yorker Fifth Avenue 3.3L blower fuse VIN: 1C3XY66R6L
We tried all we can check under the dashboard there is a wire that comes out of the a/c module that I don't know were it goes Alldata does not help at all because it does not show anything about this system. The Amp withdraw increases as the speed of the blowe...
1993 Dodge Caravan 3.3L Misfire VIN: 1B4GH44R8R
This 93 Caravan came in with intermittant miss on accell at about 20- 30 MPH, but only does it about once or twice during a 10 minute test drive. Scanner shows no codes, O2 goes high during event, cannot duplicate in shop. Replaced plugs, wires, and tried anot...
1995 Dodge Grand Caravan SE 3.3L extended crank time VIN: 1B4GH44R7S
Vehicle originally came in with a stalling problem and I found an intermittent crank signal.I replaced the crank sensor and all was well at this time. It came back 1 week later with and extended crank problem. At this time when it wouldn't start I was still lo...
1986 Ford F-150 XL 5.0L Hesitation, Surge, Stall VIN: 2FTCF15N4G
Hi all. This truck came in with a lack of power/surging/stalling when hot complaint. I test drove it and after about 5 min. it was almost not drivable. Checked fuel pressure and volume which tested ok. Checked timing as customer had done his own tune-up and fo... Trouble codes: 31 (EGR valve position sensor)
1991 Ford Taurus GL 3.8L Cuts out, Stall VIN: 1FACP5240M
this one stalls out frequently & is hard to restart. have spark, good fuel pressure, but no injector pulse on cranking. when it does run, it runs good, but the noid light pulsing stops & motor stops. only code that keeps setting is 564-fan relay circuit failur... Trouble codes: 564 (fan relay circuit failure)
1993 Ford F-350 XL 7.3L Engine VIN: 2FTJW36MXP
I just bought this truck. Was told that the motor was fine. It starts and runs great. But it drinks oil. It is a '93 non-turbo IDI. It has 105,000 miles on it. It was a fleet truck and well maintained. I did a compression check today and most were 420 to 440 o...
1996 Ford F-150 Eddie Bauer 4.9L clutch VIN: 1FTEF15Y7T
Need help with an on going problem, have replaced clutch twice in this truck. After customer drives truck for a couple of weeks the pedal releases at the top and the clutch slips. Have tried the new updated slave cylinder from ford per a tsb. No luck. One prob...
1998 Ford Contour 2.5L #2 cooling fan
engine overheats. thermostat & gauge sending unit damaged due to excessive heat. #2 cooling fan inop. replaced cooling fan resistor, now fan operates. On at 213 degrees, shuts off at 217 degrees, resistor starts to glow redhot. I have to shut down engine. Hel...
2000 Ford Explorer Sport 4.0L battery drain VIN: 1FMYU60X8Y
Hey Guys, Customer states every couple of days battery is dead. I disconnect neg. battery term. and connect test light between cable and neg. batt. term. The light is pretty bright. I put voltmeter between cable and batt. term. and I get 11.5 volts. I pull on...
1994 GMC Yukon 5.7L Poor Idle Quality, Hesitation, Stall VIN: 1DAEK18KAR
The owner came in complaining of idle on his yukon, when he drove it in he had to keep his foot on the accelerator to keep it going. Once let off it would immediately die, and wouldnt start till you stepped on the gas. Then it would idle nice and as soon as y...
2001 GMC Sierra 2500 HD SL 8.1L Valve body VIN: 1GTHK29G91
This truck has very low mileage and is driven to and from work(approx. 7 mile) daily. Upon initial start-up, no problem. After the engine gets to operating temp though, if re-started, a loud clunk is noticed in the valve body of the Allison 1000 trans. No DTC'...
2001 GMC Sierra 1500 HD SLE 6.0L batterie light VIN: 1GTGC13U31
Hi..I have some trouble with the dash warning message light..this 01 GMC has a batterie light that will come on intermittantly while driving for no apparent reason the light will come on and stay on for a minute one time maybe 30 seconds another time or it may...
1992 Honda Accord LX 2.2L No Start VIN: 1HGCB7657N
My granddaughters car and is usually trouble free but won't start lately when hot. All I have is a Haynes manual that tells very little. No codes show up on test. The spark is there but very yellow in color. Plug are running clean and all wires are good. I hav...
1999 Isuzu Trooper S 3.5L Misfire VIN: JACDJ58X9X
Hello Group- What I have is a miss under load that suprisingly does not set a misfire code. There are no ABS codes and the fuel level in the tank is about 3/4 so I'm not sure what's up with that. Anyway my dilemma is that during a pressure check of the coolin...
1987 Jeep Cherokee Limited 4.0L No Start VIN: 1JCMR789XH
I'm kinda stumped on this one. Anyone who can help me out, would be great! This is my personal vehicle, I normally work on semi's. So, gas engines are not my breed of engines. lol. I just replaced the motor, after completely rebuilding it. I tried to start it ...
1979 Mazda RX-7 GS 1.1L backfire VIN: SA22C-5496
This car backfires in exhaust on decel...have double checked points & timing...believe may have a problem with anti-afterburn valve...don't know where it is, or how to test it...Mitchell 5.6 has no repair info, Identifix has no repair info, only place I found ...
1993 Mazda RX-7 1.3L Unknown VIN: FD3S-10703
This car runs perfectly apart when I came to tune it on the Rolling Road it was pulling only 190 BHP and compared with others it should be about 250 BHP. My question is that when I check the ign timing by grounding TEN in the diagnoses socket and using my stro...
1993 Mercedes-Benz 300SE 3.2L compressor VIN: WDBGA32E2P
Air compressor runs ok and is cold for the frist 15 minutes when the engine is started then shuts off. when you shut off the car when hot the compressor runs for about 5 to 10 seconds then shuts off. I replaced the evapoprator sensor and temperature sensor on ...
1993 Mercedes-Benz 300E 3.2L Poor Idle Quality, Surge VIN: WDBEA32E4P
Hi all I am A Cadillac Tech and work for a GM dealership and I was asked to look at this MB. The car drives perfect plenty of power, starts right up hot or cold. The catch 22 is the car will have a 1000 RPM surge at idle when in park or neutral. .The RPM will ...
1995 Mercedes-Benz E320 3.2L daytime running lights VIN: WDBEA32E2S
daytime running lights stay on after key is off,,have to remove daytime running light fuses to shut off,,sometimes they stay off after fuse is replaced and sometimes they stay on,,replaced multifunction switch daytime running lights fuctioned fine for a week a...
2002 Mitsubishi Galant ES 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4A3AA46G92
...after replacement of engine with used unit, repetitive mil(code p301-#1 cyl misfire), and rough idle with noticeable "misfire" attributes... replaced ignition wires, spark plugs and coils when engine was replaced. verified fuel injector operation-then teste... Trouble codes: P0301
1991 Oldsmobile Cutlass Calais 2.3L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G3NL54D5M
hey guys this one has got me beating my head on the steering wheel. car came in for rough idle, and check eng light. car ran great cold but as soon as it goes into closed loop it started running very rich and black smoke , a lot of it. so i checked with snap o... Trouble codes: 26 (quad module failure)
2001 Other GM Navistar 4.5L Compressor Clutch VIN: 1HTMMAM82H
Is anybody familure with a International Navistar JERR-DAN flat bed wrecker, I have No compressor engagement, I have all blower speeds & mode controls system is full or refergent Does not have any voltage on any pressure switches either side of the switches. ...
1990 Pontiac Grand Am 2.3L no power VIN: IG2NE1102L
Hi guys and girls.Sorry to bother everyone about this,my pulling tractor did not perform any better on the weekend,the RPM's still stayed low and not much power.Ithink its a gear problem-too high.My question today is this,could I use a planetary gear set to de...
2001 Pontiac Montana 3.4L heat/air system
i have check and looked, at this i think it might be in evaparator.but i want to see if anyone else has had this problem before i take dash out to check evap.the smell gets worse with heater on,and seems to be getting worse as time goes.
2000 Saturn LS1 2.2L water pump VIN: 1G8JU52F1Y
The noise is very obvious off idle. Listened with stethescope and was certain the noise was in the new pump. The new castings are slightly different, but Saturn parts assured me that that is not the problem. Also, the new pump has a metal impeller. The origina...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 BMW 735i 3.5L heater fan VIN: WBAGB62080
Hi all, The fix for this vehicle was to replace the electronic fan speed controller located on the RHS of the heater box. The part looks like a 'sword'. The part was available from our local BMW dealer with a minimum of fuss. We were still unable to fault the ...
2000 BMW 740iL 4.4L warning lights and messages VIN: WBAGH834XY
The igntion switch did it! Proof positive three weeks later and not an electrical blip of any sort...just heard from the customer..clean bill of health.. Thanks to all on this network who take the time to answer my query; although, I have been on this ride f...
1991 Chevrolet Corsica LT 3.1L Inner RH CV Joint VIN: 1G1LT53T3M
Still not sure on what the problem on this car was, with all of your helpfull replies we guess that it is probably a bent frame due do looking at it a little closer. But the owner did not want to take it to a shop to dbl check instead wanted to fix it, so ende...
1994 Dodge Shadow 2.5L cooling system VIN: 3B3XA46K4R
I recieved some replies stating check water pump may be the wrong one so i looked up all water pumps for 2.5l and 2.2l have a parts store in the same building compared them seen nothing wrong with the one inside the shadow . Also had a few on rad being plug bu...
1996 Dodge Caravan SE 3.0L Cuts out, Stall VIN: 2B4GP4539T
Well we finally fixed the Caravan. The cutting out and stalling when accelerating was due to a tab under the battery box that had pierced the wiring harness and was shorting it out under extreme load. Thank you all for your help. It took a while but we set up ... Trouble codes: 320 (No voltage crank sensor).
1997 Dodge Grand Caravan LE 3.3L dash shut down VIN: 2B46P44RXV
Well this car has been running around for a week with the customer, so far so good. most replies said to check the dash grounds and the circuit board and so on, one had a reference to a diode in the rear defrost relay. I took the dash all apart for a visual in... Trouble codes: 37 (ABS System over voltage).
1995 Ford Taurus GL 3.0L torque converter clutch valve VIN: 1MELM55U4S
thank you very much to all who did reply to my help request. i found all of them very interesting and learn a lot from all of them but i can't put it in practice because the customer didn't come back. that's the reason i haven't answer to all of them thank you...
1999 Ford F-350 Super Duty Lariat 7.3L No Start, No pwr at pcm VIN: 1FTWW33F8X
Thanks for all the replies, did find out vehicle doesn't have aux pcm. Orginal complaint was engine miss, took to dealer, they tried to reflash pcm wiping out pcm and power chip. We replaced pcm and found missfire on #3, replaced bad injector and test drove. R...
1993 Honda Accord EX 2.2L Hesitation, Surge, Cuts out VIN: JM2RG40920
The fix for this car was a new ECT sensor located at the water inlet on the front of the head on the elbow for the lower hose to the head. I caught it acting up finally, saw that it went open as engine temp rose then came back at about 165deg. Thanks for all t...
2001 Hyundai XG300 3.0L MIL Lamp on VIN: KMHFU45D71
Dear members, Thank you very much for all who replied to my post.I finally fixed this car by performing the fuel injection service.Most of you suspect the maf sensor but on this one,it appears almost new and clean,and all the sensors readings are very normal... Trouble codes: P174, P171.
1994 Lincoln Mark VIII 4.6L Theft deterent VIN: 1LNLM91V2R
Sorry guys , The vehicle has been in direct sun since the day after I opened this post without any unwarranted activation . The three people that responded said mostly the same thing . The trunk lock tamper switch and the hood tamper switch can cause trouble w...
1976 Mercedes-Benz 450SL 4.5L aux cooling fan VIN: 1070441203
Thanks to everyone that replyed to this request. Located the relay installed a new one, replaced the #8 fuse with the correct amperage fuse. Tested the operation of the fan works just as I thought it should, comes on when the A/C is activated, and as the coole...
1995 Mercedes-Benz C220 2.2L srs
since code 54 does not exist , and since turning the light off , it has not come back , there is NO fix to this bizzare problem . another bizzare thing is the IATN way to rate people , i think its a cheap shot that has no purpose in this type of forum . you wo...
2001 Nissan Pathfinder SE 3.5L MIL Lamp on VIN: JN8DRO9X81
Thanks for all the responses. All said replace the Cam Position sensor(s). Many have seen this code and the sensors are to blame. Apparently, there is no good way to test them. I advised the customer, and recommended that we at least replace the right sensor... Trouble codes: P1140 (Intake Valve Timing Control Position Sensor).
1953 Other European hillman 1.5L master cylinder
A lot of you gentilmen have sent some good information and sorry to make you wiat for this fix. I wanted to be sure the customer was happy with his brakes. the 54 willys master bolts right on you need to adjust the master cylinder rod and the willys master is ...
1998 Plymouth Voyager 3.3L compressor VIN: 2P4G925R8W
Hi everyone, thankyou to all who gave their help and it is valued. what we did was put in a new compressor [ we had put in reconditioned ones] after a little bit of explaining to the customer we got about %80 quieter and the customer is pleased, but since doin...
1996 Toyota Avalon XL 3.0L Misfire VIN: 1N4DL01D71
Thanks to everyone who replied. The vehicle is fixed and back on the road, however, a misrouted vacuum line wasn't our problem after all. What threw us off was the switching valve sitting in the intake without any vacuum lines going to it and the fact that som...
1996 Volkswagen Golf GL 2.0L Misfire VIN: 3VWAK01H8T
Thanks to all which replied and soory for the long wait. Since we had aleady fixed and replaced the the monojetronic base gasket, wire set and 'big' brake booster vaccum hose the problem had to be in the monojetronic. Finaly we recieved the the 'used' mono-jet...
1997 Volkswagen Jetta GL 2.0L No Start, Cuts out VIN: 3VWRB81H3V
The car is not fixed, but I've made progress. The customer said 'no hurry' and I took him literally. My tech line had me check AC voltage from the crank sensor. It needs to have at least .8 volts, but 1.5 is more like it (on the red and green wires, plugged in...
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