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Prev Professional Automotive Repair Technical Discussions for August 31, 2004
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Help Request Answers
1993 Acura Legend 3.2L gauge VIN: JH4KA676MC
Customer complaint is a very intermittant high coolant temp gauge reading at idle, gauge returns to normal with engine accel. We have not confirmed this as its never happened in the shop and we've had the vehicle in twice. Major work has been done to the vehic...
1999 Audi A4 1.8L Front brakes VIN: WAUCB28D6X
To those marvelous Audi Techs out there, This car is giving me some problem. Customer complained of front brakes locking up and staying locked up if the brakes were used hard, stranding him. We tested and found it to be true, plus the brakes started binding a...
1987 Buick Regal GNX 3.8L fluid leak at breather tube VIN: 1G4GJ1174H
thanks for reading my post. i have this grand national that has a trans leak at the top of the transmission through the breather tube. the transmission is not over full and it operates properly. the trans mission has been replaced about 7 years ago with a perf...
1989 Buick Century Custom 2.5L Poor Idle Quality VIN: 1G4AH51R7K
This car has a very erratic idle. It will idle normal and then start raising until its over 2000 rpm. Then sometimes it comes down and surges up & down. and then goes high again. We have replaced the ECM, IAC, injector and MAP sensor. The throttle body has bee...
1996 Buick Regal 3.1L Calipers/Pads
I am looking for anyone that has experienced a W-Body GM car that came in with the outer pads missing on the rear disc brake calipers. I know from my experience, the slides were the problem. They would freeze up causing the inner pad to do all the work. What I...
1995 Cadillac DeVille 4.9L performance VIN: 1G6KD523B4
car has no power. when you break torque it a code 99 flashes on my snap on scanner. cruise control servo applied. then engine has no power due to the strategy of this code, the ecm will shut down half the injectors. on my scanner i shows koeo 33% when you star...
1982 Chevrolet Corvette 5.7L No Start, Contamination VIN: 1G1AY8781C
This C-3 is worth plenty of money...once it runs. Extremely low miles, mission is to get it running. Unfortunately the fuel tank sender and pump assembly has rusted off in the tank and severe contamination is evident. Although there is rust in the tank it appe...
1983 Chevrolet C10 Suburban Custom 6.2L Poor Idle Quality, Surge, Stall VIN: 1GDT355H67
this is where it is getting fun. they could not locate my original pump so they gave me another reman so i took it to a local rebuilder and he found plenty wrong with it well i install the pump for the third time and it starts ok but it will idle up and down o...
1988 Chevrolet K1500 Cheyenne 5.7L Cuts out, Misfire VIN: 1GTDK14HBU
truck came in with no power off idle.did a spark check and found weak spark.installed rebuilt the engine will rev up to around 300rpms and start backfiring out the exhaust.has dual t-pipes and shoots flames.very loud in the shop.seems to have go...
1995 Chevrolet K2500 Suburban 6.5L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1GNGK26FXS
Truck starts very hard when cold, has very heavy smoke. Runs with good power, but has a miss. Trouble codes: 13 (engine shut off driver fault), 48 (intake air temp sensor circuit high), 62 (turbo sensor circuit low), 91 (cyl balance failure 1 cyl)
1996 Chevrolet C1500 Suburban LS 5.7L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GNEC16R8T
Hello everyone I have waited as long as I could before posting for help, but we are against a wall. This suburban came in a couple a months ago and we installed a Jasper engine. Last week it came back, not sure if there is any relation to engine install. What ... Trouble codes: 1345 (cam crank sensor corelation problem)
1999 Chevrolet Silverado 1500 5.3L abs stop VIN: 1GCEK14T6X
Customer complaint ABS pulse @ low speed stop, verifying condition and is true at low speed stopping, below 10 mph, abs ratchting condition at all times. System hookup and sensor monitoring revealing no serious or exception speed variation between front left &...
2002 Chevrolet Corvette 5.7L flywheel VIN: 1G1YY22G82
The question for GM Corvette techs is. The ls1 engine is supposidly balanced with the hamonic damper and flywheel meaning that when they balanece the crank, they also balance teh damper and flywheel as a unit. My customer wants to install a excedy clutch and f...
1996 Chrysler Concorde LX 3.3L Surge, Stall, MIL Lamp on VIN: 2C3HD56T3T
This car stalls coming to stops,and idle does roll up and down,fuel trim is at negative 18 any ideas would be greatly apprciated. Trouble codes: 172 (rich system)
2001 Chrysler 300M 3.5L keeps on having air in the cooling system VIN: 2C3HE66G41
Customer came in saying their vehicle is over heating. We pressureized the system found no leaks so we recomended to change out the thermostat. We put in the thermosat and bleed the cooling system the way (Mitchel on Demand) says to do. Drove the vehicle for a...
1991 Dodge B250 5.2L No Start, Stall VIN: 2B7HB21Y1M
Hi, This van came in on the hook, driver said it started cutting out, then stalled and would not re-start. When I attempted to scan for codes, I could not communicate with the PCM. I then noticed that the check engine would not illuminate at any time. I had no...
1999 Dodge Intrepid 2.7L Surge, HIGH IDLE VIN: 2B3HD46R7X
Hi,The problem i have is a high idle with a/c of it idles at 1048 rpm with a/c on idle goes up with compressor ingaged to 1800 rpm when compressor disingages it drop to 1048 rpm.No codes,I have inspected & cleaned TBI, no change!I feel there is a vacumm leak b...
1999 Dodge Intrepid 3.2L Door locks VIN: 2C3HH46R3X
This vehicle has a problem with both of the front door locks. When you lock and unlock the door the door make a very high pitched screen. At times they will not operate to the unlock position after numerous times of activating If you wait about 20 seconds and ...
1967 Ford GALAXY 390CID a/c VIN: 7D54N14090
need to know the amount of freon and ref oil for this is a factory style a/c system thanks
1967 Ford thunderbird 390CID dash lights
I have a Ford shop manual of wiring diagram, which is not helpful. Has anyone had a similar problem on this car??
1990 Ford Aerostar 4.0L Misfire VIN: 1FMDA41X8L
upon roadtesting vehicle after repairs with snap on scanner. noticed when cruising at 60-65 mph at steady throttle for 2 miles system would drop out of closed loop and o2 reading would be fixed at 135 to 145 mv. if throttle is tapped,system would resume close...
1993 Ford Crown Victoria LX 4.6L engine VIN: 2FALP74W4P
This ford has a very loud clatter which seems to be from the left valve cover gasket. First this car came in with alot of coolant mixed with the oil and real high up on the dip stick. I found a frost plug leaking behind the front cover. I removed front cover a...
1994 Ford Aerostar Eddie Bauer 4.0L 3-4 shift VIN: 1FMDA41X5R
this areostar comes out of overdrive irratically,I found that it is losing the signal from the ecm that supplies the ground that energizes the 3-4 solonoid. I first tested at the trans connector then at the ecm.Signal was lost right at ecm connector{ this step...
1995 Ford Windstar 3.8L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2FMDA51485
Hi super techs, this vehicle we think needs a computer, but before we do, I'd like to rattle the cage. We find no ground signal to injector #6. Pin 99 out of computer not grounding. Customer states at times it drops other cylinders. Cleared codes and these, pl... Trouble codes: P0340, P0402, P1400, P1403, P1405, P1406
1996 Ford Contour GL 2.0L Poor Idle Quality, Stall VIN: 1FALP6536T
Hi there Ford Techs. We have this Contour that will exhibit a very low idle when first started in the am. If it is wet out chances are it will die at least once, up to 4 times before continuing to run. The PCM shows it is trying to raise the idle, but the idle...
1997 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30F7V
This ALS unit came in for repair of an oil leak and when cranking after repair developed a fuel leak. After fuel leak repair unit would not start. These units are very high milage.(350,000+)At that time High pressure oil pump,IPR valve,fuel pump and oil was ch...
1997 Ford MONDEO 1800CC Hesitation VIN: WFOAXXGBBA
hesitation when overtaking usually around 3000 rpm , feels like engine holding back . this is a uk car equivelent to a ford cougar in us market . zetec engine
1997 Ford F-250 XL 7.3L Cuts out, Misfire VIN: 1FTHX26F9V
1998 Ford Mustang 3.8L Mechanical VIN: 1FAFP4048W
Have this mustang came in for squealing noise. We took the belt off and checked the pulleys and the tensioner all seemed ok. We can run engine without the belt on it and it makes a squealing or maybe a high pitched metal to metal noise? The noise is a come and...
1999 Ford Windstar SEL 3.8L Sliding Right Door VIN: 2FMDA5344X
Right Sliding door will open with remote and switches, but will not close with any of these.
1999 Ford Windstar LX 3.8L overdrive VIN: 2FMZA5143X
Vehicle came in with check engine light on and O/D light flashing. Vehicle would go in and out of overdrive. Connected it to scan tool and scan tool came up with codes P0708 and P1702. Scan tool would read Reverse when van was in Park, and the reverse lights w...
1999 Ford Expedition Eddie Bauer 5.4L start up VIN: 1FMRU17L0X
Vehicle will sometimes not start with ignition switch.Vehicle's battery,ignition switch,starter,starter relay's and fuses have all been checked and everything seems to be good.when turning switch to start position,the step board lights and dash lights will all...
2000 Ford Explorer XLT 4.0L Front&rear wipers,Dome light, Rear Def., Power lo VIN: 1FMZU73EXY
This is a weird one. Came in with inoperative front and rear wipers, dome light, rear def., and power locks. Maybe other things which haven't been noticed yet. No blown fuses and swapped relays around. No change and I don't know where this stuff would be commo...
2000 Ford F-350 Super Duty Lariat 7.3L lack of steering at idle VIN: 1FTSW31F3Y
I replaced the hydrobooter due to lack of power assist accumulator on braking ( the accumulator was bad ) I had noticed this before the steering was hard to turn at idle stationary but when moving it seemed OK . I read TSB about lubing ball joints but since th...
1996 GMC Jimmy 4.3L code 1860 VIN: 1GKDT13W3T
hope someone can help me on this one...the truck came in with light on with 1860 code tcc fault. i dont have a trans cartrige to check into this futher . the freeze frame says the code was set at 2 miles an hour the customer states it jerks when taking off mus...
1997 GMC Safari SLE 4.3L Hesitation, Cuts out VIN: 1GKEL19WXV
I am grasping at straws on this one. After driving a long time, usually a couple hundred miles on the freeway, when you stop and then take off again, the engine runs rough for a second or two and then runs fine. It has occurred once after driving for only abou...
1995 Honda Accord EX 2.7L Modulator VIN: 1HGCE666XS
Came in with code 13, replaced modulator and bled system. set code 18 before left shop. bled system again and ran through code 18 diagnostics, light went out. customer back two days later, code 18 again. diagnostic flow chart says replace modulator. Anyone ran...
1996 Honda Accord LX 2.2L No Start VIN: 1HGCD5639T
Hello Honda Techs, I have a 1996 Honda Accord 2.2L (non VTech-no immobilizer) that is a no start and has a very eratic injector pulse. Car was towed in. Customer stated ”It quit while being driven, sputtered a little bit, died, will crank but not rest... Trouble codes: P1381 (Cylinder Position Sensor Intermittent), P1361 (TDC Signal Intermittent)
1997 Hyundai Sonata GL 2.0L obdii readiness VIN: KMHCF24F6V
Dear technicians, I'm having problem running the OBD II monitors to completion. I got a print out from all data and ran all the steps twice and not even one monitor status changed. they are still all unready. I've spent two days on it and still have no clue w...
2002 Hyundai Accent GL 1.6L No Start VIN: KMHCG45C72
this car ran the night before, next mourning it would not start. all fuses good.scanner will read ecm. nocodes no spark . no injector pulse. power to coils & inj -ok-- no rpm signal on scanner while cranking. i think it is bad crank signal. i cannot find pictu... Trouble codes: C0MP, C0KP
2000 Jaguar S-Type 3.0L No Start, CODE 1586 VIN: SAJDA01C9Y
after repairing vac leak and clearing codes veh ran for about 5 min and then died. veh would not restart. fail safe mode is lit up on dash and code 1586 is always present. i suspect throttle body is the problem but have no info on how to test it. please help w... Trouble codes: 171 (lean), 174 (lean), 1587 (throttle actuation control command redundancy malf.), 1586 (throttle actuation control module to pcm communication failure)
1995 Lincoln Mark VIII LSC 4.6L steering system VIN: 1LNLM91VXS
vehcile was brought in with no power steering at all. flow rate appears to be ok. we do not have a pressure tester to check pressure. our scan tool does not interface with suspension/evo system to see if there are any codes. the pump is not noise at all. with ...
1998 Mazda 626 DX 2.0L Stall VIN: 1YVGF22C6W
customer says vehicle stalls when cold and turning out of driveway but not all the time, our diagnosis using a scan tool found the long term fuel trim to be 18% at idle using a vacuum gauge we found vacuum to be about 20in. at idle. My concern is with the fuel...
1998 Mazda 626 DX 2.0L MIL Lamp on VIN: 1YVGF22C7W
Hello all. This help request is directed to any ford mazda techs. We have a mazda 626 lx with a code p1131. Replaced the 02s11 and retested after a long test drive and the same code sets. I found a ford bulletin #013/99R. I tested voltage at front 02 and monit... Trouble codes: P1131
1995 Mitsubishi Eclipse RS 2.0L inj.#3&4 on constant VIN: 4A3AK34YAV
After installing cylinder head and gaskets this is what happens: Cylinders # 3,4 injectors "on" constantly fouling spark plugs for those cylinders only..., and running rough,black smoke out exhaust. thought it might be injector driver in computer, installed a...
1997 Mitsubishi Diamante ES 3.5L battery drain VIN: 6MMAP37P3V
i could not find the source of the drain. the keys to the drain are the door ajar light stays on all the time along with the dome light,. you can turn the light off with a manual switch but the ajar light stays on along with the drain. also the door locks seem...
1983 Nissan 280ZX 2.8L Misfire VIN: JN1HZ04S6D
looking for information on pulling codes from this car MOD states vehicle has a self-diagnosis mode but does not tell how to enter or read codes. ecm has lite on side reminding me of some toyotas any help would be appreciated vehicle came too me with miss and...
1991 Nissan 240SX 2.4L No Start VIN: JNIM536POM
please help or show me what i have missed, thank you mark. fax # [...]. Trouble codes: 21 (no impulse firing detected), 31 (ecm bad)
1997 Nissan Sentra GLE 1.6L compressor clutch not engage VIN: 1N4AB41D7V
This car is my car the AC system work very cold for yesterday, then next day the compressor don't work. I am checked the Freon is ok. I hear about this vehicle have a thermo control amplifier. Doesn't anyone know about how this vehicle AC electrical work. If s...
1992 Oldsmobile Toronado 3.8L Dash waring display , The A/C ,heater display VIN: 1G3EZ13L9N
The customer came in complaining that the electronic display on the dash and the electronic dislpay on the temp. contols go out when the car is cold or wet.The systems work when the car is warm or dry.When they go out the dash disply is blank and the temp cont...
2001 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NF52T41
I reassembled car and tried the BCM/ECM relearn procedure after reading some closed no start help requests on here (the 10 minute wait relearn). The car will start and die, but the security light is not operating as my Shop Key describes it will. When I try to... Trouble codes: P1632 (Theft System Fuel Disabled Signal Recieved)
1989 Porsche 944 S2 3.0L cooling fan resistors VIN: WP0AB2945K
does someone know the location of the cooling fan resistors on this vehicle?
1992 Saab 9000 CD Turbo 2.3L Poor Idle Quality VIN: YS3CL48M9N
HI all O have this 9000 cd it came in as a stall no start .I started it in the bay and let it run till it died. Replaced the crank sensor andcar run with out dying .But it idles very low and will not accel properly .ALLDATA has almost no info on testing this s...
1993 Toyota Corolla DX 1.8L speedo VIN: 2T1AE09E6P
i have a problem with the speedo. it will quit working and then come back to life. i have pulled on the harness and the engine harness also. i replaced the connecter pins (3) at the trans due to corrosion and also the speed senser due to water intrustion . i h...
1998 Toyota RAV4 2.0L Timing Belt VIN: JT3HP10V4W
If any one has ever run into this problem I will be very glad to here how you fixed it . THANKS, BOBBY
1999 Toyota Sienna XLE 3.0L MIL Lamp on
Thanks for any help ahead of time, this van came in with a blown head gasket, the tech replaced both, and the van ran great, when the van came back two weeks later it had a po171, and once every to weeks it comes back now. all the vac. numbers have looked good... Trouble codes: P0171
1978 Volkswagen Bus 2.0L No Start VIN: 2242080043
I have a 1978 vw bus that will not start. fuel presure is 30psi I have spark but a verry weak injector pulse the noid light barly lights up. I checked the injector resistor and it seams ok all 4 injectors have good power no gound single can be dected by my pow...
1994 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWFA81H0R
i have this one for the wv techs this golf have 2 codes one for the cam sensor and the otherone for the cranck sensor, i did check the wavw forms using my fluke 97 and the wave forms look ok after i errase the codes they will came back i did drove the vehicle ... Trouble codes: 00515 (hall sensor open circuit or short with power), 00513 (engine speed sensor no signal)
1998 Volkswagen Beetle 2.0L No Start, Stall VIN: 3VWBB619C9
This is the second of 2 beetles that are causing me problems. This one has given this customer trouble 3 times apparantly over the last 4 months always the same symptoms. Car starts and runs rough for a few seconds then stalls, turns over but wont restart. C... Trouble codes: P1565 (idle speed control throttle position)
2001 Volkswagen Beetle GLX 1.8L Poor Idle Quality, Stall VIN: 3VWDD21C51
Hi All, Customer reported that one time car quit on the freeway but was able to restart with no other symptoms. One month later car would start however would not stay running. Car was towed in w/no mil on however their were codes as stated below (P1297, P157... Trouble codes: P1297 (unknown fault), P1570 (control unit locked)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 BMW 635CSi 3.5L park VIN: WBAEC841XJ
Well I finally got the Bimmer in today. I want to thank Michael from Texas, Brian from Ontario, and Ronald from Georgia. I ordered in the shifter cable just to be prepared and drove the 30 miles to pick up the car. I got it back and started to disassemble the ...
1986 Chevrolet Caprice Classic Brougham 4.3L Hesitation, Surge VIN: 1G1BN69ZXG
First I would like to thank the seven people that took time from their own buzzy day to help me.We were unable to locate new prom.GM dicontinued part Sept 03.We ran jumped wires to eliminate harness problem and switch wires to other solenoid to prove valve was...
1987 Chevrolet motorhome 454CID cooling system VIN: 1GBKP37W6H
Thanks to all who answered my cry for help. Most of the suggestions we had already covered but just in case we went back through each reply to verify. Thanks especially to Dennis [...] @ A-1 radiator for some very good information. Also Blake [...]. Altho we s...
1991 Chevrolet Corsica LT 3.1L Stall VIN: 1G1LT53T4M
replaced tps. never saw it glitch or anything, but that was the most common reply. drove it all day and no more stalling. thanks everyone.
1994 Chevrolet S10 LS 2.2L pump / bushing VIN: 1GCCS194XR
Thanks to all for the detailed info given to me - general concensus says I needed a pump puller to prevent possible breaking of case or pump body & a pump alignment band to keep the pump halves together while tightening the bolts, but both could be done withou...
1997 Chevrolet K1500 Cheyenne 5.7L ecm-b fuse VIN: 2GCEK19R4V
Hello, I remove the fuel pump to find wiring to pump connector was melted. replaced fuel pump and retested vech runs great and no more blowing fuses. Thanks guys for all your help.
2001 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12451
I would like to thank everyone who took time to help me The repair was a charcoal canister. I check for reflashes but none applied. I used a motovac evap checker and a vacutec smoke machine but could not find a leak. The dealer found the leak and said when he ... Trouble codes: P0442 (EVAP system small leak detected).
2002 Chevrolet S10 2.2L Hesitation VIN: 1GCCS14571
Three Techs got it right. Paul from Massachusetts hit it on the head. When I back probed 1 and 2 ign wires to the Ign switch when it would act up there was a voltage drop. I replaced the switch and drove the truck a few days myself with out any problems. I the...
2003 Chrysler Town & Country (Van) Limited 3.8L dvd VIN: 2C8GP64L03
The customer wants to have a region 1 on a Mexican Chrysler town and country which has an OEM DVD that was region 4. Our fix was changing the DVD that we bought in USA. When doing this watch out for the letters that has on the front panel, some has an RF for R...
1962 Dodge lancer 225CID cylinder head VIN: 7327149212
Thanks to all of the members that sent me information.I have had a run on old cars the last couple of weeks. Thanks again
1996 Dodge Grand Caravan ES 3.8L converter?? VIN: 1B4GP54L3T
Thank you Jeff from our neighborhood in the north. You hit it on the head. Definatley a tricky motor mount to bolt up blindly. Vibration gone and another happy customer. See Jeffs responce below and thanks to the others that took time to lend their input on ...
1998 Dodge Grand Caravan SE 3.3L cooling fan relay VIN: 1B4GP44R8W
Well,this Caravan is fixed.It was the Harness going to theb fan relay, after cutting it apart i saw the melt down. called parts and wired in new one, also cleaned the painted surface were it bolts to the frame,put di electric grease on back. called owner one w...
1989 Ford F-250 Custom 5.8L lacks power VIN: 1FTHF26H5K
Well, thanks to all who responded. The consensus was that the vehicle most likely needed fuel injectors. One suggested valve timing. I had thought of that and it was ok. The water separator filter had already been discarded as well. The customer didn't have th... Trouble codes: 41 (lean condition).
1989 Ford F-250 Custom 5.0L Poor Fuel Economy VIN: 1FTEF26N2K
There seem to be a lot of switching valve and fuel pump problems. There are several different types of fuel pumps used depending on the year and if the wrong pump is used, problems will occur such as filling one tank while running on the other, low fuel pressu...
1994 Ford F-350 XL 7.3L Cooling Systems VIN: 1FTFTGYIOH
found the oil cooler that is mounted on the side of the engine block. coolant passing through the rock hard orings.
1994 Ford Escort LX 1.9L Poor Idle Quality, Surge VIN: 1FARP15J4R
I received 5 replies. 2 said the compression is too low, 1 said to check the ect, so I did & it's good and one said to check #1 intake gasket & it also turned out to be ok. I went back to Ford and showed the car and the noise to the 2 best guys there and the...
1997 Ford Mustang 3.8L Poor Idle Quality, MIL Lamp on VIN: 1FALP4043V
I'm sorry, I thought I'd closed this already. The fix was to replace the DPFE sensor. As I understand it, the metal bodied version has ineffective noise filter in it. I replaced the part with the latest version plastic bodied DPFE sensor and all is well. T... Trouble codes: P0340 (Camshaft position sensor malfunction).
1997 Ford Escort LX 2.0L random idle speeds VIN: 1FALP13P0V
Eric from Jersey hit it on the nail head. I went ahead and put the new Ford TPS on since 6 of 8 said replace it even if it tests good. I did, same problem. Went to harness at Right strut tower and unwrapped it. I then watched scanner tps voltage and pulled on ...
1998 Ford F-150 4.2L MIL Lamp on VIN: 2FT2F1720W
Thanks again for all the help. The fix was replacing the rubber elbow for the PCV valve under the intake plenum. There was a big gash in it. Carlos Trouble codes: P0171 (Too lean bank 1), P0174 (Too lean bank 2).
1999 Ford Windstar LX 3.8L lights,wipers,blower,starting,etc. VIN: 2FMZA5149X
sorry i'm taking so long to reply,it's vacation time and i'm fairly shorthanded. even though it was recommended that i investigate the instrument cluster i believed the problem had to be in the lighgting circuit and continued beating my head against the wall l...
1999 Ford Econoline Super Duty Custom 7.3L compressor VIN: 1FDXE40F8X
it appears this will be a long drawn out affair. i really appreciate all 19 who wrote with suggestions. many said to check the blend door, which will be the next step. others asked about engine temp. the temp is always normal whether idling or running under lo...
2003 Ford F-350 Super Duty XLT 6.0L unknown VIN: 1FTSW31P63
I appologize for not closing sooner. This vehicle ended up at the Ford dealership. They flashed the computer with some new updates also and the customer said it runs a lot better. I don,t know if it cured the jerking when you pull a fifth wheel but I do know y...
1996 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GZ5S2TC
We tried replacing both O2 sensors and the light still comes on. The information we received says that the computer does the test on start up and sends 5 volts out on sensor line and as the heater heats the sensor looks for the voltage to drop thus knowing tha... Trouble codes: P135.
1999 Jeep Grand Cherokee Laredo 4.7L loses power VIN: 1J4GW58N6X
Many thanks to all who replied but this vehicle has not had the problem happen yet.If it does i will check what the 5 replies said.
1998 Land Rover Discovery LE 4.0L Ignition Key VIN: SALJY1243W
Thanks again for every ones help. The Problem turned out to be the micro switch at the bottom of the shifter housing. It had slid off the detent bracket and was sitting on the bottom of the housing.. It was tough to get back on (No room and a miserable spring ...
1997 Lincoln Town Car 4.6L Air suspension VIN: 1LNLM81W1V
The fix is in!! This one proved to be most difficult. I checked all possible items as per Ford shop manuals and Ford Tech hotline, also talked to a Ford engineer at one of the training centers, and with all that information and the replies from iatn, I was abl...
1997 Mazda B2300 SE 2.3L Poor Idle Quality, MIL Lamp on VIN: 4F4CR16A6V
Received 3 replies, suggesting IAC, Maf sensor and KAM. Tried them all, OE and aftermarket, no luck. Customer has not returned for further diagnosis. Thanks!
1998 Mazda Millenia S 2.3L No Start VIN: JH11A2228W
Thank you for the replies,a few pointed to the timing as the problem.When the right hand head was reasembled the cam gear has a dot on both sides and the gear can go on either way,the way it was done put the timing out about 30 degrees.When the gear was flippe...
1972 Mercedes-Benz 450SL 4.5L fuel injector control VIN: 0441200472
First of all thanks to all who replied. We found that this was a technician error problem. After we replaced the contacts in the distributor, we installed the distributor two teeth off. Once we corrected our problem the vehicle started right up. Again thanks.
1993 Mercury Cougar XR-7 3.8L Poor Idle Quality VIN: 1MEPM6244P
Well,sometimes I think I make it harder than it has to be.Recieved four replies this morning.One suggestion was to disconnect the battery for a few minutes to remove power to the KAM.This is a relearn stategy for the pcm.A couple of others had problems with th... Trouble codes: 172 (system lean bank 2), 181 (Adaptive fuel rich limit reached), 189 (Adaptive fuel rich limit reached at part throttle bank 2).
1991 Mitsubishi 3000GT VR-4 3.0L compression VIN: JA3XE74C3M
Well as expected the rings were stuck to the pistons, I did the ring job in chassis, wasnt that hard, just time consuming, installed new rings and honed out cylinders and compression was back to normal, thanks to all those who replied
1995 Nissan Altima SE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1N4BU31DOX
Thanks guys for all your help. The problem was like everyone said there was oil in the dist. So first I cleaned it off with brake cleaner and I tried starting it and it fired right up. So then we went ahead and replaced the dist. Thanks again.
1997 Nissan Altima SE 2.4L MIL Lamp on VIN: 1N4BU31DOV
Thanks to everyone that responded to my Help Request. I am happy tp report that after having returning the vehicle to the customer over a week ago, the check engine light has not reappered. I called the customer to check up on the car, and he was happy to repo... Trouble codes: P1400 (Improper Voltage Signal Sent to ECM through EGR Valve Solenoid).
1991 Pontiac Grand Am Value Leader 2.5L Poor Idle Quality, Cuts out VIN: 1G2NG14UXM
Check vacuum leaks have not found any. Haven't had enough time to pursue any further. Thanks for all the replies.
1991 Pontiac Grand Am Value Leader 2.5L timing chain tensioner VIN: 1G2NG54U0M
I don't know if this is really a fix or not but it is the best I can do given the circumstanses and the customer's thoughts on spending the extra money necessary to fully investigate further. One person suggested checking the cam and crank gears for runout. ...
1999 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Stall VIN: 1G2WP52K9X
I never did get a chance to finish this problem, the customer declined further repairs and is going to live with the problem. Most replys felt the PCM was at fault.
1966 Porsche 911 2.7L cam timing VIN: 3473211560
Ok, we finally got the info. for timing the cams on this beast, thanks to Sergio, who luckily lives in the same town as I do. I want to thank each and everyone of you who replied to my message. The fix on this one is actually very easy, 'once you know how to d...
1988 Porsche 930 3.3L Excessive Emissions, Poor Idle Quality, Hesitation VIN: WP0J609313
Thank you for everyone who replied. We are a VW/Audi specialist so I dont see alot of Porsche problems. The clanking sound I was concerned with everyone says is the intake diverter valve and is normal, but the seals may be bad which we are going to take a look...
1996 Saab 900 S 2.3L "not ready" VIN: YS3DD75B9T
The fix was replacing the thrmostat to a higher (88) thermostat. After changing it, I drove the car an additional 120 miles (2 round trips to home) and the car passed. As I indicated in my initial post, you almost do have to own the road. One of the replies in...
1986 Volvo 244 DL 2.3L Shifting M46 VIN: YV1AX8840H
Well as many have stated I double checked the entire clutch and fork. I also looked at the pilot bearing and all these things were in good shape. The entire problem was I got a bad clutch and after installing a new unit the car was fine. After all these years ...
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