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Prev Professional Automotive Repair Technical Discussions for November 22, 2004
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1991 BMW 750iL 5.0L transmission VIN: WBAGC82010
When accelerating from a stnding start, the dash emits a loud beep noise and the transmission will not shift. This vehicle came to us from another workshop with the transmission only allowing one forward gear. Our Snap On Scan tool will not communicate with th...
1997 Buick LeSabre Limited 3.8L Surge, Stall VIN: 1G4HR52K7V
Hi everyone. I have this 1997 Lesabre that will start & run fine both idle & driving. With no pattern it will exhibit at times a surge/idle hunt & then stall as well as idling ok & then stall w/ no surge. The stall seems more likely on a colder engine,(this mo...
1985 Chevrolet S10 2.5L plug in for panel VIN: 1GCCS14E2F
This s-10 has had someone try to rewire the dash panel plug for gauge cluster, now I have to rewire back to get the panel to work as original equiped. the problem is that none of the wiring diagrams from gm manual match the wires found in this truck, I am wond...
1991 Chevrolet Caprice Classic 5.0L radio VIN: 1G1BN53E9M
customer is complaining the radio cuts out. it never seems to loose power but the sound cuts out. if you put the sound all the way up you can hear it very faintly then it will play full blast!!! the radio was sent to a a/c delco repair center and they said not...
1992 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GCEC14K6N
this truck was towed in died on the expressway started when it came off the truck but surges bad & cuts out sets all kinds of codes when it runs but clears them the minute it dies the alldata test for code 42 has led me to ecm replacment am i on the right trac... Trouble codes: 42 (esc problem)
1994 Chevrolet S10 4.3L 3-2 shift selenoid
Hi all, got a real head scratcher here, veh came in a few days ago with the complaint; after driving a few minutes veh takes off in second gear, trans was built at another shop for this problem, also ecm has been replaced 3 times with no effect on the problem...
1997 Chevrolet K2500 Suburban LS 7.4L RF Suspension VIN: 3GNGK26J9V
I am posting this for a friend. This vehicle has a thumping noise in the right front fender that no one has been able to locate. It sounds almost like a loose shock but the shocks have been replaced and everthing checked for looseness. It makes noise travellin...
1999 Chevrolet S10 2.2L Misfire VIN: 1GCCS1445X
engine has skip on cylinder # 1 under load only in 4th or 5th gear. shop before us replaced for the second time, then a 3rd to be sure plugs and wires. coils, ignition module,crank and cam sensors was replaced also. we have tested the tps,map sensor, fuel inje... Trouble codes: 420 (catalyast efficency)
2002 Chevrolet Monte Carlo SS 3.8L No Start, Cuts out, Stall VIN: SG1WX15K32
This car will start and run good when cold. After a hot soak it will start, stall (like an old chrysler ballest) it will continue the start stall from 3-30 min. then run great. Fuel pressure is good. No check engine light.
1995 Chrysler Intrepid 3.5L Hesitation, Stall, Misfire VIN: 2C3HH46F3S
vehicle was towed in with a no start siruation... fires but won't run - as if it was flooded... first problem encountered was a plugged catalytic converter, replace and now vehicle can be revved up but still runs with a miss on no 4 and 5 cylinders... there is...
1999 Chrysler Intrepid 2.7L instrument panel VIN: 2C3HH46R5X
Help chrysler techs, This is a canadian-built Intrepid. The customer complaint is dash lights inop. Upon checking I find that the instrument cluster is completely dead - unless the headlights are on high beam and the dimmer switch is depressed halfway. If the ...
1988 Dodge Dakota 3.9L steering column tube VIN: 1B7GR14X7J
Hi All, I have an 88 Dakota 4wd pickup in the shop,came in for loose steering column,figured the bolts for the tilt mechanism came loose but upon tear down found they were tight,removed column from vehicle and tore it down.the top of the tube is broken.Dodge p...
1996 Dodge Neon Sport 2.0L won't turn off VIN: 1B3ES62Y3T
Car came in for no speedo operation, tested and determined instrument cluster circuit board defective. Replaced circuit board, instruments work fine now but engine does not shut off right away when key is turned off. Oil light comes on, flickers and finally go...
2001 Dodge Ram 3500 Truck 5.9L fuel lines VIN: 1B7MC33731
This vehicle will break fuel lines from fuel distributor to injectors It just returned from a trip and had 2 fuel lines break. Now the #5 injector line is cracked and leaking fuel. My question is: Is this a common problem or is it possible that the lines have ...
2004 Dodge Neon SRT-4 2.4L readiness moniters VIN: 1B3ES66S14
Thanks in advance to all that can reply on this one.The problem with this car is that it is time for it's emissions/safety inspection.I hooked it up to our EASE machine at work,and it shows 2 of the readiness codes not set.(the O2 and the catalyst)This is my p...
1986 Ford F-150 5.0L Poor Idle Quality, Hesitation, lean VIN: 1FTCF15NOG
I have this f150 that is going lean after about ten seconds of closed loop can rev the engine to about 2k and the o2 switches normally for about 10 sec after which it goes very lean and will not return to switching until rpms are dropped back to ... Trouble codes: 44 (air injection system not working)
1995 Ford Aspire 1.3L No Start, Stall
This car cranks forever and then finally will start just before the batt. dies and will idle along just fine. If you touch the throttle it dies. With hood open and running the throttle by hand you can get it to accelerate fine as long as you move the throttle ...
1996 Ford F-350 XL 5.8L Stall VIN: 1FTJW36H7T
Truck belongs to the rail road and used on the tracks. Orignally came in with intermitten stalling while driving. Pulled codes 211 and 212 but could not confirm engine dying. Replaced ignition module and crossed my fingers. Its back and still stalling. Spun di... Trouble codes: 212 (Loss of ignition diagnostic monitor to pcm/spout circuit grounded.)
1997 Ford Taurus GL 3.0L heater VIN: P5MZU73E04
replaced water pump,thermostat,heater hoses,upper and lower rad hoses, back flushed rad. then replaced heater core. still no heat all damper doors seem to be working fine. anyone ever seen this before?
1997 Ford Taurus LX 3.0L No Start VIN: 1FALP58S2V
Vehicle was towed in for a no start.Could not communicate with the scanner to retrieve any codes or data in the powertrain section.Anti theft system has acode u1147.Vehicle has spark and fuel pressure but no injector pulse.power to injector is 12v.Checked aldl... Trouble codes: U1147 (SCP Comm error)
1998 Ford E-250 Econoline 4.2L Hesitation VIN: 1FTNS2424W
van has heavy missfire under load, esp. cold , has lean codes, all systems seem ok, fuel pressure in specs(28psi on decel- 39psi under load) even while acting up on a road test.but if i pinch off fuel re-turn hose van runs fine all the time. are my pressure sp...
2001 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on, hard start cold VIN: 1FTSW31FX1
This vehice came in with customer complaint of very hard to start when cold, and check engine light on. We didn't really have time to let the vehicle sit all day to verify cold start complaint so we went toward the check engine light problem. This vehicle had ... Trouble codes: P1316 (IDM Codes detected), P1272 (Cyl. 2 hi to low side open), P1274 (Cyl. 4 hi to low side open), P1276 (Cyl. 6 hi to low side open), P1278 (Cyl. 8 hi to low side open)
1995 GMC Sonoma SLE 2.2L Poor Idle Quality, Hesitation, no power above idle VIN: 1GTCS1942S
Hi guys, this sonoma is not making sense in that it has no codes for an engine that runs as bad under accel as this one. Checked fuel and spark however no problems found nothing in any manuals at shop have any systoms that match it in any way. Checked compress...
1999 GMC Sonoma SL 2.2L Speedometer VIN: 1GTCS1443X
This truck came to us with the speedometer not working. All of the other gauges and lights in the instrument cluster work OK. The correct speed is indicated on the scanner. Wiring diagram shows VSS goes directly to PCM. There is a single wire labeled VSS OUT t...
1989 Honda Civic 1.5L Head gasket VIN: 1HGED3604K
Initially replaced head gasket because it was leaking coolant internally, white smoke out the tail pipe. After replacing the head gasket, there was an oil leak from the back of the head. Installed oil dye to confirm gasket leak. Pulled off valve cover and reto...
1996 Honda Accord EX 2.7L air bag/srs VIN: 1HGCE6674T
scanned srs system: code 08-5 need trouble chart or help with this code
1992 Isuzu Rodeo LS 3.1L heater VIN: 4S2CY58Z4N
This is a family vechile that intermetively loses all heater fan speeds and at the same time "daytime" headlamps blink on off especially when hitting bumps but does cut off even when I'm in the process of trying to fine a common ground circuit but s...
1998 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4FX58S3W
Jeep came in on hook as a no start, died on freeway ran scanner tests, no codes ran aldata nostart tests Run tests on ASD relay, checked good ran vantage cam and crank sensor tests, no 5 volt reference voltage to either sensor back probe ECM A17, no voltage ba...
2000 Land Rover Range Rover SE 4.0L can bus circuit VIN: SALPV1540Y
can bus circuit runs between tcu and engine ecu, connections good, continuity check ok. can interface timeout fault. tcu replaced, fault still present. disconnected valve body electrical connection. code did not reappear until middle of road test(#3 shift sole...
1992 Mitsubishi Diamante ES 3.0L eml VIN: JA3AXC57B9
Helping a friend with this Mitsubishi. Came in on a hook. Wouldn't start. Changed fuel filter, fuel pump (original!), ignition pack. Once it ran, it intermittently only fired on two of the six cylinders. Opened the computer and found two capacitors were burnt....
1986 Nissan D21 XE 2.4L No Start VIN: 1M6HD11YOG
This truck came in with a died on the road complaint. We found a bad coil ( the module on the coil was swollen up and the bracket rusted) and a burned fusable rsistor in the ECU. New oem Coil package installed. We had the ECU rebuilt and when we plugged it in ...
1987 Oldsmobile Cutlass Supreme 3.8L runs on - desiels VIN: 2G3GR51A4H
Fellow techs, This engine continues to "run on" for several seconds after shutting engine off. It does not have a temp. gauge, just an idiot light. However, I measured temp. at the thermostat housing w/ a temp. gun and get 180F. I checked EGR operation, valve...
1977 Other European 308 GT 4.0L timing spur gears VIN: 1F2E3R4R5A
Good afternoon Gents, I have a DIY customer who has called me in reference to his 77 ferrari 308. He noticed that upon him servicing the timing belts the spur gear/shaft for the timing belt closest to the interior has a loose bearing. He has attempted to pull ...
1993 Plymouth Colt Vista 2.4L No Start VIN: JP3CC50G0P
Been trying to find replacement ignition coil for this car, and other similar vehicles, like Chrysler/Mitsu 2.5L.. The coil failure is common, and only available with whole reman distributor. I found places overseas that manufacture and sell the coils, but it ...
1992 Pontiac Bonneville SE 3.8L Dome lamps VIN: 1G2HX53L6N
Happy Thanksgiving, I am working on a friends car, The dome lamps are on at all times, He lubed the latch switches and traced some of the ground circuits to the door jam switches. He also removed the illumination module, the only way to disable the lamps is to...
2000 Saturn LS1 2.2L Poor Idle Quality VIN: 1G8JU52F4Y
engine has fast (approx twice a second) surge in gear at idle at stop. no problems noted under any other conditions. occurs hot or cold... The worst beating I ever took was a quad4 in a Grand am. After installing a waterpump, the mechanical part of the chain t...
2001 Saturn L200 2.2L Poor Idle Quality, Misfire VIN: 1G8JU52F41
Hello, fellow techs, I have this 2001 Saturn fullsize sedan with a MIL on & a misfire. It has the 2.2 l Ecotec 4 cyl engine. It only misfires at an idle. When the MIL comes on, it does not flash, it just stays on. It feels like the traditional bad spark plug w... Trouble codes: P0300 (random misfire detected)
1991 Toyota 4Runner SR5 3.0L no overdrive VIN: JT711VND00
This Toyota is driving us nuts! It wont get overdrive until the coolant temp is around 85c. This takes 10 miles in city traffic to achieve and on the highway the overdrive will drop out for periods of time. We have replaced the thermostat and temp sender and I...
2000 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCA21C8Y
Vehicle has code P1128 again, without any symptoms. Scan test shows O2 working well. If you clear the code it is back in a couple of days. Customer does not notice running problems when the MIL comes on. VW claimed O2 was a problem item and it was very inexpen... Trouble codes: P1128
1998 Volvo V70 X/C AWD 2.4L obd 2 monitors VIN: YV1LZ5644W
This vehicle came to our shop with the mil light on. We found a code p0330 knock sensor problem in memory. We tested and replaced the knock sensor and cleared codes. Codee has not returned and check engine light is out.Our only problem is that with over 80 mil... Trouble codes: P0330
1998 Volvo S80 2.9L Lighting VIN: JV1T597C5X
On this vehicle for 3 times before the low head lights stays on and can not turn off with the lights switch. The turn signals do not work. I have check relays and grounds. I reset by disconecting the batery but after some days (10 to 15) then it happens the sa...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Audi V8 Quattro 3.6L unkown VIN: WAUKE54C2M
Finally no more coolant leaks! As stated we could see the coolant running down, but not exactly where it was coming from. Since the customer did not want to spend any more money, we just retighten all hose clamps, mainly the two hose clamps in that area. Custo...
1988 BMW 635CSi 3.5L tachometer VIN: WBAEC8411J
No solid information to report. First reply suggested checking signal at coil, but I already have a signal at pin 8 of the c-1 connector ) therefore this test would be pointless. Second reply suggested that the problem may be in circuit board, however symptom ...
1984 Buick Regal 3.8L shift points VIN: 164AK47961
Well thanks for all the help guys, The cure was to add a can of trans x and replace the lock up solinoid. After a 50 mile drive it worked like a new trans. The car only has 42k miles on it did not find any junk in the pan again thanks for all the help Paul
1996 Chevrolet C3500 Cheyenne 7.4L Hesitation, Surge VIN: 1GCHC33J7T
I tried an EGR block off plate with no improvment after talking with the owner I found the engine only had around 50 miles on it, I suggested he try driving the truck for awhile. He took the truck on a short highway trip and came back and told me everything se...
1998 Chevrolet Lumina 3.1L SRS light VIN: 2G1WL52MXW
Half of the replies said to go with a factory SDM and 2 others said to check resistance and/or replace wiring to drivers airbag. Vehicle has not returned as of yet. One reply mentioned of a program that can remove the latched 51 code and others had no idea tha...
2000 Chevrolet Prizm 1.8L Timing chain VIN: 1Y1SK5288Y
After removing the front timing cover for further inspection we found the timing chain to be streched. The tensioner shoe was hitting a stop on the front of the block and not allowing the chain to become fully tensioned. We reaplaced the timing chain and chain...
2000 Chevrolet Tahoe 5.3L ABS Module VIN: T8YJ200133
Thanks to all replies. The fix was in a bulliten that I had missed. It also took several days to get the truck back. Chris [...] brought my attention to the bulletin. Cleaning the mounting surface might have been enough but to be shure it was fixed I measu...
1986 Chrysler New Yorker 2.2L axle seal VIN: 1C3BT56E9G
Wow, 17 replies! You guy's are great. I usually work on trucks so my knowlege of front wheel drive is limited. The fix was to pull the front mount and exhaust pipe and rotate the engine up so I had clearane to remove the diff cover and diff. Once I had it out ...
1990 Dodge Dakota 3.9L Poor Idle Quality, Stall VIN: 1B7FL23X3L
well i guess it's fixed as the customer has not gotten back to me - first, i replaced the SBEC with a used unit, left the new MAP sensor on, and plated off the EGR. i also threw an ECT sensor at it for fun - ran fine here for four days before the customer pick... Trouble codes: 51 (lean operation).
1995 Dodge Dakota 3.9L rear brakes VIN: 1BGG23X7SW
I want to thank everyone who responded i got some good replies and some not so good what i did was i decided to rule out the hyd system first by blocking off the rear hose and opening the bleeders then road test.the left rear was still getting to 175deg and to...
1996 Dodge Ram 2500 Truck 8.0L oil pressure VIN: 1B7KC23W4T
I received 3 replies, all responses said to make sure vehicle had the correct weight oil. Checked with customer and found he has been running 10W40 oil, spec is 10W30. Changed engine oil and pressure dropped to 45 psi @ idle and 80-85 psi @ 3000 rpm. Responses...
2004 Dodge Ram 2500 Truck ST 5.9L Poor Idle Quality, Stall VIN: 3D7KU28C04
Sorry for the late reply. Took the dealership some time to fix it. Ended up being a poor injector connector at one of the injectors. Each injector had to be tested individually. The technician was on the phone most of the time with a warranty center contact. I...
1993 Ford Probe 2.0L No Start, Stall VIN: 12VCT20ASP
HI out there in this crasey world of fixing cars this whan had me pulling all of my hare out but i finly got it so it will run and stay running i found some info on this car that let me fix it i would like to thank the 2 people that did respond but one of the ...
1997 Ford Escort 2.0L Speedometer VIN: 1FAFP13P8W
Sorry Guys, I have not fixed this vehicle. The cuastomer has had the car and today ios the day I will get it back. This request must be closed so I have taken all the information and decided that I will replace the speed sensor, only because of the amount of r...
1999 Ford Mustang 4.6L turn signals VIN: 1FAP42X4XF
All replies said replace the muitlfuction switch as this is common problem, we will be doing the job after Thanksgiving break. Thanks for the help.
1995 Geo Prizm LSi 1.8L No Start, Stall, Misfire VIN: 1Y1SK5287S
First I want to thank everyone of the six replies I received. Gilberto from California and Merle from Montana came close, but their suggestion was not the fix. Gilberto suggested to replace the distributor cap and rotor, Merle suggested the posibility of a wea... Trouble codes: 31 (VAF/MAF meter sensor signal.).
1992 GMC motorhome 454CID engine VIN: 70N6322373
I would like to start out by saying thanks for all of those who helped me out with this beast dating back over 4 weeks. I'm sorry that I have taken so long for this final post, but I was hoping I could post a fix. This is one of those black sheep that doesn't ...
1999 GMC Sierra 1500 SL 5.3L fuel gauge washer light 4wd light VIN: 2GTEK19T1X
After testing I found that all the problems were seperate ones. The fuel gauge was the fuel level sender the 4wd light was the push button on the dash and the washer never came back on . Thanks to everyone who replied . Brian at RT's Auto Center Inc.
1999 GMC K1500 Suburban SLE 5.7L theft deterrant VIN: 3GKFK16R3X
Thank you to all the techs who replied. I replaced the ignition switch and that solved the problem. i had trouble doing the relearn procedure due to battery voltage dropping during the 10 minute intervals.I realized I did not have the parking brake on, so the ...
1997 Isuzu Trooper LS 3.2L Lifter VIN: JACDJ58V7V
I must thank every one for all your help. I showed the customer all your replies which included the most likely thing on these is that the oil passeges are too small in these applications and varnish builds up causing this condition and about the only hope shy...
1999 Jaguar XJ8 L 4.0L low compression VIN: SAJHD6048X
Thank all you members for your support and information. I did disable the fuel pump and added more oil and spun engine over, and found forgien material in cylinder. It appears that b1 ( right bank has jumped time and possible broken the piston or valve on cyli...
2000 Jaguar S-Type 4.0L Unknown VIN: SAJDA01D4Y
Thanks for all of the suggestions. Replaced transmission filter and fluid, and car shifts great! Everyone's a happy camper.
2000 Jaguar S-Type 4.0L No Start VIN: SAJDA01P51
Yes the purge valve seemed to be the fix contacted customer they have not had any hard start issues, it's been 3 weeks and it was happening often enough for the customer to think it's fix. Thanks to all who responeded.
1999 Lexus RX300 3.0L Safety VIN: JT6HF10U6X
THank you to David for the inforamtion on the programin as folowing. It stard and no problem. This procedure is for engine immobiliser programming, not remote entry. 1.put master key in ignition, check that security light is off. 2. hit gas pedal 5 times. 3. h...
2000 Lexus RX300 3.0L shift solenoid valve D VIN: JT6HF10U1Y
Thanks to all who responded to my post.Lexus powertrain warranty is 6years 70k so this vehicleis covered. Im sure this code will return at wich point this one will go back to dealer for repair so I dont void warranty. One reply stated that they see this code o...
1991 Mazda B2600 2.6L Hesitation, Surge, Stall, Misfire VIN: JM2UF3143M
Well it's fixed! It was a faulty ECM. Almost everyone that responded confirmed this belief. Special thanks to Peter from Georgia and John from New Jersey who were 100% correct. I lost the 5 volt reference to the TPS, which is supplied directly from the ECM. I ...
1994 Mazda Protege 1.8L Hesitation
Thanks to everyone with their valuable info. The book with the spec is confusing. Anyway, as I suspected the fuel pressure should be 64 to 90 psi dead headed. This car it was only 30 psi. I replaced the fuel pump and the car runs fine now. Thanks again Mik...
2002 Mazda Tribute DX 3.0L Misfire VIN: 4F2YU07121
Well guys. This one was pretty easy once I found out where to look. I got three replies on this one and all three hit it on the head. John [...]. Many thanks to you guys. The fix was to repair the broken green/white wire at pin ... Trouble codes: P0301.
2001 Mercedes-Benz C220 CDI 2.2L Starting VIN: WDB2030061
Hi Everybody, i like to thank all the people who helped me on this car, i tried another pressure valve & sensor from another car and the same code still came out so the customer decided to take it to Mercedes dealer to try to do something on it, because here i...
1991 Nissan 240SX 2.4L Trans/Diff VIN: JN1MS36S0M
Thanks to all who replied. Great suggestions. The fix for this one was 1/ new u/j's and 2/ replace all 4 tires (all were out of round). My initial test was to run the car with the wheels off, I found the u/j problem. Did not think in terms of all 4 tires out o...
1992 Nissan 240SX 2.4L steering rack VIN: JN1MS36S2N
Thanks to all who responded. After compiling a checklist and using process of elimination, I was able to narrow it down to the inner tie rods.(thanks to F.Charlie f/N Ca.) Even though there was no discernable play in tie rods while car was on hoist, they did n...
1987 Porsche 944 2.5L Mechanical VIN: WPOAA2956H
first of all , thank you guys for the help, the problem is fixed. removed the filter housing and found o rings in pipe and gasket defective. flushed the cooling system and the oil. the car is good to go.
2003 Saab 9-5 Aero 2.3L srs VIN: YS3EH49G93
Thanks to Robert [...], and the fax from Haddick's Auto Body and Paul and Mat for their input. I put a 2.2 resistor into the harness simulating the pretensioner (Saab has a resistor with the appropriate pins: 8612095). Once this was installed, I was able to c...
1990 Toyota Camry DLX 2.0L Cruise Control VIN: 4T1VV21E3L
I thank all who read my request, I am posting it without fix as I have not gotten the customer to return for me to look at this again yet, he wasn't really sure he wanted to put much $$ into such an old car... The replies I have recieved indicate the modules a...
2001 Toyota Prius 1.5L Gas Engine Shuts Off VIN: JT2BK12U81
Thanks for all the replies, and kudos to Eigil [...] for sending me a TSB relating to the problem. Apparently these have problems with the ECU's and fuel pumps (replaced as an assembly with the tank per the TSB). A few of the replies also noted issues with ...
1995 Volkswagen Golf GL 2.0L Poor Idle Quality, Misfire VIN: WVWZZZ1HZS
Hi Thanks for you all for the benefit information you sent to me. The fix was the bad timing synchronization. All of you claimed the Timing, so I went this morning directly to the timing belt and I found the timing was disturbuid, I corrected the timing belt a... Trouble codes: 00515 (Hall sensor -G40....No signal).
1992 Volvo 940 T 2.3L Stall VIN: YV1JS8713N
I went back and did some more wiggle tests at the crank senser ck.angle pulled on the wires and a glitch in the system replaced ck. angle senser all is good thanks for all the help joey.
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