Automotive Technicians Technical Discussion and Fixes for Jan 18, 2004

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1990 Cadillac Brougham 5.7L MIL Lamp on VIN: 1G6DW5475L hi to all you great techs, it all started with a check engine lite and loss of power. performing normal routine tests showed no problem with the acception of a tsb for a code 43 mil and possible drivability concerns. ecm updated prom was to correct tsb concern... Trouble codes: 43 (knock sensor circuit)	View
	1995 Chevrolet Blazer 4.3L Excessive Emissions, Hesitation, Cuts out VIN: 1GNDT13W6S Hello all, This blazer is dumping fuel, very black out the pipe and loading up. Once you get above 2000 rpm it cleans out and runs relatively well. This is the first time that I have seen this rig and it has been sitting for about 6 months. Owner is trying to ...	View
	1995 Chevrolet K1500 Suburban 5.7L cd VIN: 1GFNK16K7S Replaced battery cables and repaired all engine grounds. Replaced drivers side wheel sensor. Cranking speed now good and consistant and ABS fault was corrected. Now remote CD player (single disk) displays "Err" message when CD is loaded. Radio works fine and C...	View
	1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GNDT13W3T This S10 Blazer has a dead miss--at least #3 is dead and I think #5 also. The mechanic next to me has over 12 hours in it. Please look at the test results BELOW. Also, all spark plugs have been replaced with the proper ones (they were loose Champions gapped t... Trouble codes: P0300 (random multiple misfire code 3 and 5 are flooding)	View
	1996 Chevrolet C1500 4.3L Starting VIN: 1GCEC14WOK hi guys have a funny one here.have plenty of spark,have fuel pressure, good cranking,just wont start,just cranks. no codes. i know these engines have a history of bad fuel pressure regulators, but i cant see it under the plenum. any help is appreciated. thx r...	View
	1998 Chevrolet Blazer 4.3L Transfer case VIN: 1GNDT13W3W This 1998 S-10 Blazer with a 4.3 engine and 3 speed automatic with overdrive trans, Electric select 4x4 transfer case came in December 15th with a problem going into 4 wheel drive. I put the truck on a lift to check over everthing and when attempting to switch...	View
	2003 Dodge Grand Caravan EX 3.8L head lights VIN: 2D4GP74L53 Hi everyone, I hope that someone can help me with one. Customer says that when it is raining or snowing out that the head lights go dim at times and will brighten up after a while and go dim again. It works fine when in the shop. Has anyone seen this before or...	View
	1992 Ford Ranger Custom 4.0L block I am rebuilding my own engine. (my first one ever) I placed plasticgage on the crank/mains. I measured my clearence at .005 for #1 main, and .004 for the other 3. thats with all new bearnings and a polished crank. My hayns book said the spec is about .0005 fir...	View
	2000 Ford Taurus LX 3.0L brake pedal I hope a tech out there can help me out. I have this taurus that somebody else worked on and now I'm stuck with it. The rear wheel cylinders were replaced because the owner drove with e brake on. The pedal would still slowly sink at a stop and so the master cy...	View
	1964 GMC c60 327CID Mechanical VIN: 6525712223 I am in need of a repair manual for this transmission. Also need to find a parts supplier for seals,gaskets,bearing ,ect Thanks to all Mike	View
	1976 Jaguar XJ6 L 4.2L Cuts out VIN: UG2T605831 engine losses power only whiile in gear at 2500rpm and drops off as if foot slipped off pedal	View
	2000 Jaguar S-Type 3.0L Hesitation, Cuts out VIN: SAJDA01COY engine stutters at cruise 40-60 mph has had fuel hose recall, customer states has almost died out never that severe for me have. just purchased WDS no codes have been stored. Anybody no how to use this WDS unit not too user friendly. What Ford uses this engin...	View
	1994 Jeep Grand Cherokee Limited 5.2L security VIN: 1J4GZ78Y6R I have read many security system posts for Jeep but none seem to be similar. First the security system will intermittantly cause a crank/no fuel condition, but if it is tried 4 or 5 times it will usually start and run fine. Second, when started the security li...	View
	2001 Jeep Grand Cherokee Laredo 4.7L start or SKIS system VIN: 1J4GW48N01 Hi gang Does the control unit or the SKIS system need to be reprogrammed after a engine control unit replacement? I see from the owners manual, the SKIS system shuts down the vehicle if it does not recognize the key. That's exactly what I seem to have here.	View
	1993 Mazda RX-7 1.3L Stall VIN: JM1FD3319P For any RX7 gurus out there, I hope you can help me. The car works good most of the time. However, when it is driven in stop and go traffic for an extended period of time it will stall at when stopped in drive. I'ts worse when the a/c is on. I even jumpered th...	View
	1993 Nissan Altima 2.4L No Start VIN: 1N4BU31D5R fuel pump not getting current KOEO.Ck.fuseOK.CK.relayOK.CK.volts@relay connector Batt.voltage pin3&2.[...] FP runs CK.volts@FP OK.Crank eng. goes dead want stay running.Disconnect ECM CK.wire to FP relay for open/shorted OK.[I did have code 34 return aft... Trouble codes: 34 (knock sensor)	View
	1995 Nissan Maxima GLE 3.0L No Start, Misfire VIN: JN1CA21D7S Very erratic spark on some coils, none on others, Ive lab scoped both cranks, cam, maf,and all vital input sensors. all wave forms are text book good. Scoped coil output at pcm (poor). erratic wave patterns and flat lines.disconnected condensor, same patterns....	View
	1996 Pontiac Grand Am SE 3.1L No Start, Stall VIN: 1G2NE52M4T Need Help from techs that may run across this before. 1996 Pontiac Gran Am SE with a 3100 SFI that starts every time and shuts right off within 1 or 2 seconds. The car has a Viper security system and a Remote car starting system installed. The car will start e...	View
	1992 Toyota Camry LE 2.2L No start cold VIN: JT2SK12F1N Hey Toyota Techs. I have this Camry in the shop right now that floods itself out when the temperatures are in the freezing mark. After letting car sit in warm shop and drying plugs off car will start.I don't know what I am overlooking and am hoping someone can...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi Allroad Quattro 2.7L radi0 VIN: WA1YD64B02 Thanks to all that replied. I couldn't respond sooner as I just got the correct tools from the dealer part # 1H0 051 530. You need 4 of these to remove the radio, They are very,very cheap both in cost & quality. Made out of stamped aluminum easily bent & broke...	6
	1986 Fiat X 1/9 1.5L Poor Idle Quality, hard start VIN: 2BBBS00A2G Thanks for the help. I fixed the hard start with a fuel pump and air meter. as for the low idle i replaced the auxillary air valve.	8
	1996 Ford F-150 Special 4.9L MIL Lamp on VIN: 1FTEF149FE Thanks for all the replies. There was a discrepancy on the fuel pressure spec. on this vehicle. Alldata said 50-60, Mitchell says the old 35-45. Turns out that this vehicle has one bad fuel pump and one good one. When running on the good fuel pump the trims we... Trouble codes: P0171, P0174.	21
	2002 Ford F-250 Super Duty Lariat 7.3L Starting VIN: 1FTNW21F72 Hey Guts, First of all this truck has not duplicated the original problem. A week or so ago it did quit running on me while driving down the road. I replaced the cam shaft sensor and that seemed to take care of that problem. As for the original problem the w...	15
	2003 Ford expedition 5.8L ride control Many thanks to the members who responded to my request for help and advice. I received very favorable advice from Mr. Clyde [...] for pointing me to www.superlift.com, both excel...	3
	1991 GMC G2500 Rally 5.0L Speedo VIN: 2GNEG25H4M upon getting info eslewere on the system. I found I did have a Digial low output to the Cluster as Required on the Blu/Blk, wire. The fix was then to replace the Cluster. Thanks for Your Time to those who replied. Red Brake lite on was the Block shifted to the...	4
	2000 GMC Sierra 2500 SL 6.0L hard start hot VIN: 1GTGK29U9Y Thankyou to those who responded to my help request.I ended up pulling the injectors,reconnecting the fuel lines and pressuring up the system.What I found was 8 leaking injectors,so the customer bit the bullet and I was the the hero because I fixed the problem ...	11
	1999 Jaguar XJ8 4.0L A/T Fluid VIN: SAJHX1049X There seem to be alternative fluids that can be used. The correct fluid is the one sold by Jaguar, at a price of $65.00/qt. here (...10 qts needed=$650.00 a fill!!!...)This same fluid is supplied by ESSO, as LT71141. I called the ESSO Corp. distributor, who to...	5
	1995 Jeep Cherokee SE 4.0L fuse box VIN: 1J4FJB8S5S IATN strikes again!!!Many thanks go to the Highlander & Osvaldo.The problem was the Power Aerial was overloading the system thus for 30 seconds the amperage would be too high thus drawing on the battery. Again a problem solved without too many man hours going ...	3
	2000 Mazda MPV DX 2.5L air filter assembly VIN: JM3LW28G2Y Hi everyone, i got 10 replies on this mpv noise, I must thank everyone for there instant replies. All of you wrer correct, the IAC was no good.Thanks for being there for the input ant this great web site.	10
	1987 Mercedes-Benz 300SDL 3.0L engine VIN: WDBCB25D7G Thanks for all the responses. It gave me some food for thought. most of you suggested the vaccuum pump. Unfortunately, I do not know after removing, checking and reinstalling the vac pump. No more of the ball bearings appeared. the 5mm ball bearings are too la...	18
	1999 Mercury Mountaineer 5.0L No Start VIN: 4M2ZU55P7X I received 5 messages. All of them were very well thought out and pertinent. Three members mentioned a power supply problem, most likely the pcm power relay. The clue was that the check engine light was not coming on when the car wouldn't start.I was told that...	6
	1997 Mitsubishi Galant ES 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 4A3AJ56G7V Thank you all for your replies. After replacing the O2 sensor, the wires, cap and button. The car was still idleing rough. I drove the car for about a week and the MIL came on again. This time it came up with EGR valve malfunction. I replaced the valve and the... Trouble codes: P0130 (o2 sensor circuit malfunction).	7
	1997 Pontiac Grand Prix SE 3.8L MIL Lamp on VIN: 1G2WJ52K5V Finally fix the problem.It was an open in the bypass circuit tan/blk wire near the icm. Thanks to everyone who tried to help me.A special thanks to Romain and Ron that led me to the Fix Trouble codes: P0350 (Knock sensor problem), P1359 (Ignition control IC circuit), P1361 (Ic circuit ckt not togling or grounded).	8
	2000 Saturn LS2 3.0L pressure VIN: 1G8JW52R4Y Hello- i am glad to say this is fixed , i got thru with this car after waiting a little while for parts, i wanted to make sure it never came back, the problem as you know was a service light would come on just after take off from a stop and then it would shift...	3
	1993 Toyota Supra 3.0L Electronics VIN: JT164JA800 First a big thanks to all who replied especially John [...] who took the time to mail me over the wiring diagrams & relevant test procedures. The posts all pointed to one of three things. The main fuse located under the bonnet(120 amp) which should protect the...	20
	1990 Volvo 740 2.3L No Start VIN: YV1FX8946L sorry about the huge delay for the fix, it was the relay thanks to every one for the responses and again sorry for the delay . Trouble codes: 232 (oxygen sensor control lean/rich at idle), 312 (knock signal).	11

(Also Available: All, Asian, Chrysler, European, Ford, GM.)