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Prev Professional Automotive Repair Technical Discussions for October 23, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HP52K7W
Hello everyone and thanks in advance for any help. I have a 98 LeSabre with cylinders 3 & 4 misfiring like crazy. No other cylinder is affected. Replace spark plugs, plug wires, ignition module, pcm, had injectors rebuilt, replaced ignition coils, map sensor, ... Trouble codes: P0300 (Random Misfire)
1988 Chevrolet C1500 Cheyenne 5.7L Stall VIN: 1GCDC14K2J
vehicle brought in for intermittant stalling when turning at slow speeds or backing up. distributor was replaced at another repair shop. funny thing happens...sometimes idle will increase while in gear, if you go to neutral idle will be around 2000 rpms. somet...
1995 Chevrolet Lumina 3.1L Stall VIN: 2G1WL52M5S
Thanks in advance for any help, vehicle will start then stall imediatly or up to 10 seconds after starting. Has 94 junk yard engine not sure if its ever ran since installed Will run if spray carb cleaner in engine,never loses fuel pressure or spark.all data lo...
1995 Chevrolet Monte Carlo Z34 3.4L lifters VIN: 2G1WX12X65
Had removed rear head to replace oil pump drive o-ring. After reassembly, a lifter on that head takes forever to pump-up. We tore cam cradle back down & replace two lifters that were solid - not spoungy. Now the noise isn't as bad. Must drive about 7-8 miles f...
1994 Dodge Dakota 3.9L lose OD, Cruise Cont VIN: 1B7GG26X2R
Got this Dakota that will occasionally drop out of Overdrive, while at the same time the cruise control quits, and whatever mode the Air Cond clutch is in, it stays there (on or off). Some of the time the OD light on the dash will flicker, some times it will s...
1993 Ford Probe 2.0L 3,4 gear VIN: 1ZVCT20A3P
This trans was just rebuilt by me after a complete burnout. The previous overhaul done at another shop was completely botched. Now that it is done it slips in 3rd and 4th gear. I am suspecting something in the valve body because the clutch packs air checked g...
1997 Ford Expedition XLT 5.4L Misfire, MIL Lamp on VIN: IFMFU18L6V
i have ford expedition has codes p01131,p0171,p0172.idle surge and missing.so far i check for vacuum leak.i could not find any.i know smoke macine is the best way check for vacuum leak. unfortunately i dont have.check fitting at pressure regulator is ok.all va... Trouble codes: P1131, P0171 (p0172-), P0172 (testing and results)
1999 Ford Ranger XL 3.0L MIL Lamp on VIN: 1FTYR14U3X
Hello every one,i have this Ford Ranger with a stubborn PO455 code. It came in 7 days ago and i told them i would do some research and they could see if the light went off by itself, as i checked the obvious which is for a loose gas cap and the associated hose... Trouble codes: P0455
2000 Ford Windstar LX 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 2FMZA5141Y
This van will run bad intermittently. It will surge at lower rpm + stalls + trips code 1100 (MAF voltage out of range) & sometimes an 1121 (TP out of sync with MAF). We found the intake was sucking in oil so we replaced the intake gaskets + bolts + front valve... Trouble codes: 1100 (MAF voltage out of range), 1121 (TP not in sync with MAF)
2000 Ford Ranger XL 3.0L Hard to fill gastank VIN: 1FTZR15V1Y
Customer complained he had a hard time filling tank. The nozzle wants to click off like the tank isnt venting. My mechanic removed the carbon canister vent assembly. With the assembly removed, he was able to put gas in the tank normaly. He then replaced the ve...
2002 Ford F-350 Super Duty Lariat 7.3L gas in deisel VIN: 1FTSW31F52
This truck had unleaded gas put into the deisel tank, the customer drove it home and it started running terrible and lots of smoke. He phone the gas station and told them they have bad deisel but they looked it up and realized they had put gas in it. He drove ...
1996 Land Rover Discovery SD 4.0L MIL Lamp on VIN: SALJY124XT
I am not familiar with the Land Rover system and cannot find any help of importance anywhere. I guess I am looking for help from a Land Rover Technician. Massachusetts requires that no codes or MIL lights be active when going for sate inspection on 1996 and ab... Trouble codes: P1193 (Manufacturer Fuel Air Metering)
1991 Lincoln Continental Signature 3.8L ride heights control VIN: 1LNCM9845M
Aloha every body this is my dad's car, and I am trying to help him out, this lincon has bad air bags and is seating on the ground, i want to change it to regular springs and struts, I know that there is a kit they sell that is arround 500 to 600 dollars for al...
1999 Mazda Protege DX 1.6L Excessive Emissions, MIL Lamp on VIN: JM1BJ2Z28X
Hi guys this is my first post so bear with me. I had a 99 protoge come in with mil on, tested 02,fuel pressure,tps,vacum(purge valve etc.) found a bad pcv valve. cleared code and shipped car. car came back a couple of weeks later with same code. I found cyl #3... Trouble codes: P0172
1999 Mercury Sable GS 3.0L Surge, Misfire VIN: 1MEFM58F4X
vehicle complaint possible, transmission problem, fluid is good no oxidation or burnt smell, shifts properly, at about 2000 rpms feels like vehicle is missing in overdrive it is more noticeable but you shift into drive problem persists but not as bad. have no ...
1997 Oldsmobile Silhouette 3.4L fuel guage VIN: 1GMPUO6FSV
perform fuel guage inpo test disconnected gray body connector behind d/s seat used instrument panel tester (j33431-b) connected to no.3d purple wire and 3b black/white wire turned key on set resistance dial to 0 ohms fuel guage read empty and then set resistan...
1993 Other Chrysler van 3.3L engine fuse VIN: 45VXA0239F
Hello this is one that has been really making me pull my hair out. I am working on a 93 aeromate van,it uses the chassis and engine of a caravan. when you push the throttle down past the half way point it blows the engine fuse and shuts off.It does that whethe...
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWMA23B1Y
have gottten lots of info from knowlege base + will use when i get back to car I am trying to run factory reddiness monitors with baum + dirrections in vesis I cant get any monitors to set The vag com says to hit # 4 first -- in baum this is clear codes , have... Trouble codes: P1136 (lean idle), 17544 (vag idle adaption lean)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 Chevrolet wcm31rq 454CID OverheatingEshaust m VIN: 1GBKP37W0J
I want to thank all of you for helping me on this motor home.Some of the suggestions were to check timing, make sure the carb was not running lean,check diverter valves and check valves. We did all of that and more. So I am going to agree with Sam [...] who sai...
1991 Chevrolet LLV Grumman 2.5L Stall VIN: 1GBCS10A0M
First I want to thank all the people who replied to my post. I had about 15 replies in all. Most said to replace the transmission, which I did(it was leaking from the center seal anyway), that did not solve the problem. I found vacuum leaks electrical connecti...
1991 Chevrolet C1500 Cheyenne 5.7L Stall VIN: 2GCEC19K6M
The customer could not afford repairs at this time so I have not repaired the vehicle. But based on replies and further inspection it is obvious the problem lies with the distributor shaft. The trigger wheel is damaged. Thanks all for the help!!
1996 Dodge Grand Caravan ES 3.8L wipers VIN: 1B4GP54L3T
thanks. we felt like it was the bcm all along. we sent bcm to an aftermarket repair facility 2 times. both times we were told bcm checked ok. we found a used one that worked great. we will let the customer decide if he wants it with the wrong mileage. dont kno...
1992 Ford Mustang LX 5.0L Poor Idle Quality, Surge VIN: 1FACP41EON
adjusted the idle air plate made all the differance, thanks for everones help.
1994 Ford Thunderbird LX 4.6L No Start, MIL Lamp on, posessed (lol) VIN: 1FALP62W8R
the brand new cats were clogged solid due to the miss on #5&8.i would like to thank everybody for there input and help...especially rags...he help me post my problem from the chat room. i didnt know how. thanx rags! and thank you everyone in the lobby. wallyg1...
1997 Ford Explorer XL 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FMDU34X2V
well look's like iv'e finally found this intermittent (stall, cut's out )taken care of ,the input's and output's for ign systen tested current ramp fuel system ,tested maf ,and most of the ecc relay wiring , turn out that the customer installed the wrong air f...
1994 Honda Civic LX 1.5L Poor Idle Quality VIN: 1HGEG8564R
2 of the replys I got suggested the idle air control valve was sticking, and this was the problem. I got it to act up, tapped the valve and the the idle went down. replace iac and all is well. Thank you. Pete.
1995 Jeep Grand Cherokee Laredo 4.0L Hesitation, Misfire VIN: 1J4GZ58SOS
thanks too all that have replied,i found the problem at about 11:30 pm last night. someone had installed bosch plat. plugs. allthough the plugs were farely new i replaced with champion plugs,too my surprise the stumble was gone and so is car.thanks again too a...
1997 Lincoln Mark VIII 4.6L Hesitation, Stall VIN: 1LNLM91V3V
Thanks to all who replied. The CaseGround PID does matter: most of the time, it was well under 250mV. When the driveability symptoms occurred, a scope between the battery negative and pin 25 of the PCM showed a sharp downward spike of nearly 4.5v! This gave ri... Trouble codes: P1000 (Monitors not complete).
1995 Mazda Protege DX 1.5L Surge, MIL Lamp on VIN: JM1BA14185
thanks for all your help guys and gals. for those that have not seen this set up i'll explain the tp sensor and the closed throttle switch are not the same unit. the switch is a on off switch mounted on the throttle body opposit the tp sensor. richard wrote an... Trouble codes: P0510 (closed throttle positon sensor.).
1989 Plymouth Reliant America 2.5L Stall VIN: 3P3BK46K9K
thanks for the help! the injector was the problem! i ohmed the injector and it showed 1.3 ohms. is that too high? not sure! i need more technique for injectors! thanks again!
1996 Plymouth Grand Voyager 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 2P4GP243XT
Well finally the thing was (after customer hum and ha) was to take car to yet another location. They seem to think, all of us were leaning the wrong way. Still looking for that cheap fix. Majority believe, (8 out of 10 replies) it to be carbon or burnt valves ... Trouble codes: P0300 (multiple cyl misfire), P0304 (cyl 4 misfire).
1988 Volkswagen Fox 1.8L Fuel Pump harness VIN: 9BWGA0302J
First, let me pass on two sources for VW parts that were passed on to me. Fun Buggies Unltd, Grand Rapids, Michigan [...] Second, we could not find the wire ends we needed in the time limit the c...
2000 Volkswagen EuroVan GLS 2.8L none VIN: WV2EH4703Y
according to the replies this requires a vw specific scan tool , they are headed to salt lake and will get it fixed there
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