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Prev Professional Automotive Repair Technical Discussions for November 7, 2006
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1993 Audi V8 Quattro 4.2L timing belt VIN: WAUBV84C1N
After replacing timing belt, rollers, tensioner dampner, water pump, engine developed a chatter noise from timing belt area after 2 days of off/on driving. Removed left cover and found measurment at 125mm-not 137mm where it was originally set cold. Replaced da...
1996 BMW 740iL 4.4L MIL Lamp on VIN: WBAGJ832TD
Not sure where to go on this one. Another teck is looking at this car. Got this BMW in and we got a couple of codes(check up top). O2's move pretty good. Car seems to run fine, just MIL on. Checked for vacuum leaks, but can't find any. Checked the waveform for... Trouble codes: P1175 (air fuel metering), P1174 (air fuel metering), P0170 (fuel trim bank 1), P0173 (fuel trim bank 2)
2000 BMW 740iL 4.4L brake rotor VIN: WBAGH834XY
While doing struts replacement a front rotor slipped out of hand and broke. I ordered a Brembo rotor and installed on the passenger front side. Test drive revealed a terrible knocking sound when braking, up on the lift again and rechecked installation. Picture...
1985 Buick Somerset Regal Limited 3.0L No Start VIN: 1G4NM27L7F
Cranks no start cold, will start warm if you can get it to run, but lacks power and stalls, runs rough and rich. C3I ignition, type 1. new coil and wires. checked crank and cam signals at ign module w/voltmeter when cranking, both fluctuate between 2-4 volts. ...
1992 Buick LeSabre Limited 3.8L Misfire VIN: 1G4HR53LXN
Hello, Anyone have any idea what I might be overlooking here? The car only misses/vibrates (front of car jumps up and down as if a tire is out of balance) under a load at about 47 to maybe 55 mph and only in overdrive with the TCC engauged, with a slight acce...
1992 Buick Century Custom 3.3L Hesitation, Stall
Hi all !!! We have a 92 century that seems to start good and it revs up nice and smooth but at idle it stumbles and wants to stall ( sometimes does ) On a road test it will stumble a little on acceleration, and the more speed it picks up it smooths out, runs g...
1999 Cadillac Catera 3.0L fuel door,radio, trunk release VIN: W06VR52RXX
This Catera is something strange, onece in a while the radio, the fuel door switch, and the trunk release switch become inop. then when the key is recycled they'll sometimnes come back on. it's so intermittent. if anybody has come across something likle this p...
1995 Chevrolet Blazer 4.3L No Start
i have got a good one. this blazer came in for a no start. the battery was dead from where the customer tried to start it. after charging the battery for 6 hours the blazer started. no codes were found in it except for an egr code which was disconnected by som...
1996 Chevrolet Tahoe LS 5.7L lo range VIN: 1GNEK13R6T
i have a 96 tahoe electric transfer that is in low 4x4 dont seem to want to come out.if i push the buttons on the dash they they will start blinking but nothing i assume they are doing their job.i am not familiar with operation of these electric one...
1996 Chevrolet C1500 Cheyenne 5.7L master cylinder VIN: 2GCEC19R2T
customer's original complaint was-brakes noisy-pulsation & low pedal-proceeded as a normal brake job,replaced front pads & rotors-replaced rear shoes & wheel cyls. & machine rear drums.pedal still low - replaced master cylinder,replaced abs hydralic unit,repla...
1996 Chevrolet Blazer 4.3L Shift Motor?? VIN: 1GNDT13W9T
This Blazer is stuck in 4wd. Will shift 4 hi & 4 lo with no problem. When 2 hi is touched the light flashes, the tccm clicks & the shift motor acts like it is trying to shift, it clicks in unison with tccm. I get 12 volts at tccm when pushing corresponding but...
1997 Chevrolet Corvette 5.7L Cuts out, Stall, MIL Lamp on VIN: 1G1YY22G7V
code p1514 tac system, idles fine but when accelerating mil comes on, goes to reduced power setting, kicks in code, inspected all work done earlier by dealer and cust, appears fine, tried another maf sensor(had one handy)no difference, scan seems to show good ... Trouble codes: P1514
2001 Chevrolet Blazer LS 4.3L alternator VIN: 1GNC518W91
i have a charging system problem i have replaced two alternators and a pcm in this vehicle and can get it to charge i have no power to the red wire on the connector which comes from the pcm and is the exciter wire i have tested the wire from the pcm to the alt...
2003 Chevrolet Tahoe LT 5.3L rear heater VIN: 1GNEK13Z43
I have a rear heater problem. The heater core is fine I have plenty of water flow. The problem is in the climate control in the rear. The mode door in rear works fine, the blend door motor does not. Since the motors are the same part number, I switched motors,...
1999 Chrysler Sebring JXi 2.5L No Start, no spark VIN: 3C3EL55HXX
car came in for tune up, after replacing cap, wires, plugs, will not fire. checked everything. cam and crank sig. there, syn. there no codes found but still no spark. used snap-on moduis, manually fired the coil, still no spark. installed used dist. same resul...
2001 Chrysler Concorde LX 2.7L oil leak VIN: 2C3HH46R91
Vehicle came in with an oil leak. We had installed new front crank seal & timing cover set when water was replaced. Cleaned engine and put dye in system. Found oil leaking from a small hole in the engine block on driver's side of block right next to the thermo...
2002 Chrysler Intrepid 2.7L timing chain
1993 Dodge Dakota 5.2L Misfire VIN: 1B7GG23Y6P
Help this car has come from a local trans shop and we are having a heck of a time diagnosing this thing, the truck has a slight miss at idle,and backfires through intake while accelerating. isolated miss at idle to the #5 spark plug, removed plug and it was bl... Trouble codes: 277
1994 Dodge Spirit 2.5L Ign Swt VIN: 3B3AA6K9RT
Hi guys, This one is alittle puzzling. It will not cut off with the ign. switch at times. You may have to sit there and go off and on with the key for several minutes before it finally shuts off. We replaced the ign switch but it still does it. What am I mis...
1994 Dodge B350 5.9L Pedal Travel VIN: 2B7JB31Y1R
Got a head banger here. Hope one of you fine techs can help. The vehicle was presented after a bit of a cold spell and the customer stated when it was started after sitting for a few days , the brake pedal would go to floor and it wouldn't stop. ABS/RWAL warni...
2000 Dodge Intrepid 2.7L timing tensioner VIN: 2B3HD46R7Y
Chrysler techs, I need help. Doing a timing chain on this 2.7 and i'm having problems with the tensioner, put in new tensioner and i cannot get the tensioner to extend to the guides to put tension on the chain. Is this normal? I've tried to crank the motor to ...
2003 Dodge Neon SXT 2.0L MIL Lamp on VIN: 1B3ES56C73
The customer came in with a check engine light on. There is no drivability complaint. The code is a P0340 cmp sensor circuit. I have monitored the cmp and ckp numerous times and have not been able to confirm the compplaint. Any chrysler tech out there familiar... Trouble codes: P0340 (cmp sensor circuit)
2003 Dodge Sprinter 2500 2.7L long crank time
hello, and thanks in advance for any help on this one.this sprinter came in w/glow plug light staying on, which would kill the battery overnite. i have replaced glow plug controllers in these trucks before,so i ordered a controller, tested all glowplugs, (foun...
1986 Ford Ranger STX 2.9L No Start VIN: 1FTCR11T4G
Truck will not start when hot. Cranks fast (cyl.'s washed out possibly) has spark at time of problem, can smell fuel while cranking.
1989 Ford F-Super Duty 7.5L Hesitation, Stall VIN: 2FDLF47G7K
Thanks for any help... This is a Cab and Chassis Dump Truck. This is going to be the third cat installed. This Cat Lasted 6months/7k Miles. After The Cat was replaced last time we had emissions tested and all were with in Spec. Sorry I dont have those numbers ...
1990 Ford Bronco Custom 5.0L Rear defroster VIN: 1FMEU15N7L
My question is has anyone out there ever heard of the rear defroster blowing out the rear glass. Right before this happen I did smell what I thought was an electrical burning smell. No wires are burned in rear tailgate or at switch. I am going to leave the swi...
1996 Ford Crown Victoria 4.6L starting vechile VIN: 2FALP7363T
when cold vechile tries to start barely catches and dies this happens around a dozen times then catches. know if you put your foot on the gas while its trying to catch you can hear popping out the intake. fuel pressure key on is 42 psi and doesn't change while...
1996 Ford Escort LX 1.9L Excessive Emissions VIN: 1FASP15J2T
hi group this thing failed the smog test, readings at 15 mph hc 63, 25 mph hc 50, limit is 15 mph hc61, at 25 mph hc45, barely failing, fuel pressure is perfect, ignition system checks out good, maf sensor, ect, iat,baro all reading properly, came timing is ok...
2000 Ford Expedition Eddie Bauer 5.4L Batt Drain VIN: 1FMRU17L4Y
This vehicle was brought to us from another shop, that shop installed a "Battery Saver" and shipped it to me. The complaint is after 3-6 days the battery is dead. We have not been able to duplicate a completely dead battery but we do see a drain that we cannot...
2000 Ford Ranger XL 4.0L leakage VIN: 1FTZR15X6Y
I don't do much engine work anymore, so I would like some advise before I start on this truck. The customer informed me that everything was fine and the temp went to hot, he stopped the truck and check the coolant to find all of it was in the oil pan. I check ...
2001 Ford E-350 Econoline 7.3L No Start, Poor Idle Quality, LONG CRANK VIN: 1FTSS34F51
2003 Ford F-350 Super Duty XLT 6.0L Hesitation, Cuts out, Stall VIN: 1FTSX31PX3
this truck will cut out almost stall very sporadically when it is doing it badly it will barely even move itself in low gear (4wd) and almost dies under higher speeds, where this is a deisel i am kinda on the lost side it was taken to a ford dealer previously ...
2004 Ford F-350 Super Duty XL 6.0L Surge, noise on decell VIN: 1FTSW31PX4
Hello Everyone. This truck came to us. It was stolen, there is a banging noise coming from the air filter area on decell, it also surges intermintantly. Trouble code p0488 is hard code, but can not do diagnosis on this code, our scanner will not do the contro... Trouble codes: 0488
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Starting VIN: 1FTNW21PX4
Ok here goes this truck has been in a number of times for a intermiton no crank. I first tested the starter it was htis point it would go back to starting and I would be donecostomer picks up truck couple days later same thing.So to determone with curc...
1994 Honda Accord LX 2.2L Surge, MIL Lamp on VIN: 1HGCD5634R
The car idles fine but just of idle it will cycle the injectors off and on. This will vary in throttle opening from around .7v up to 2v and sometimes up to 4.7v or WOT. I've watch the tps voltage at the ecu which is the same as at the tps. I have check and add...
1996 Honda Civic EX 1.6L Cuts out VIN: 1HGEJ6537T
First time we've seen this car. Dies on acceleration. will sit and idle good. If you run up rpms slow, no problem. When you snap throttle, or accelerate from a stop, engine hesitates so bad it dies. Looking at ignition with a timing light, light gets brighter ...
1998 Isuzu Trooper S 3.5L Valvetrain VIN: JACDJ58XXW
This vehicle had an external coolant leak at the rear of the passenger side head. We removed the heads and sent them to a machine shop and one head was cracked externally. One head was exchanged and the other was rebuilt and both were installed with factory ga...
2001 Isuzu Rodeo LS 3.2L rear wiper VIN: 4S2DM58W01
Customer complaint is that rear wiper wouldnt shut off. When vehicle came into the shop the wiper didn't work at all, had no power from alarm control unit. Replaced alarm unit and fixed open wires to park switch and rear latch switch, now wiper works but doesn...
1993 Jaguar XJ6 Sovereign 4.0L blower VIN: SAJHW1744P
need some jaguar expertise here. i have normal operation from left side blower and no operation from right side blower. i have determined that i have no power from fuse #4 in rt fuse block at blower harness, fuse and fuse block look fine. i tried powering up c...
1998 Jeep Grand Cherokee 5.9 Limited 5.9L Lighting VIN: 1J4GZ88Z4W
head lights on all the time disconected switch and dimmer switch and head lights still on pulled all relays one at a time still on only goes out when fused under hood pulled help please
1996 Land Rover Discovery SE 4.0L anti-theft VIN: SALJY124TA
This truck has already been complicated up to this point. The Rover tech that started it was fired so I've had to piece together where he was on it. Came in locked down in immobilized. No check engine, no crank, red LED in dash on flash fast.We sent the Fuel E...
1995 Mazda Protege DX 1.5L No Start VIN: JM1BA1418S
Car was towed in for no start. Checked for spark and fuel. It has both. I have cleaned the sparkplug. Car still doesn't start. Checked timing belt all is lined up right. I went back and checked spark again and it will only jump about 1/4".checked on scope and ...
1999 Mazda Protege DX 1.6L Altenator VIN: JM1BJ2229X
This vehicle was brought to me from another shop who was also unsuccessful at repairing this problem. No matter what we do we cannot get this vehicle's charging system to operate at all. Now this particular system the altenator and the PCM work together in reg...
1970 Mercedes-Benz 280SEL 2.8L modulator VIN: 1080191205
this vehicle was using trans fluid and smoking out the tailpipe. Easy fix right? after 2 weeks searching for a vacuum modulator for the trans we installed the new one but do not have the specs or procedures to adjust it correctly. Now the trans is very late sh...
1993 Mercury Sable GS 3.8L Poor Idle Quality VIN: 1MELM5549P
this car came in with a idle and stalling problem, it has been to many shops including dealer. the problem is this. at idle the 02 sensor goes lean and the engine will flood itself and stall,however if you unplug the mass air flow sensor it runs perfect.there ...
1999 Mercury Mystique GS 2.0L timing belt VIN: 1MEFM6539X
Hey guys. Vehicle towed in with failed timing belt. Removed cover and confirmed. Noticed belt was missing 1/4 thickness on outer edge( walking away from engine while running). Replace timing belt and components(idler pullies and tensioner assy.) with new. Inst...
2001 Mitsubishi Galant ES 3.0L Poor Idle Quality, Surge VIN: 4A3AA46H31
Customer complains of a low idle almost stall when coming to a stop, checked base timing ok checked base idle ok has no trouble codes, smoked for vac leaks found none, I also noticed the idle seem to flare when putting into park or in neutral up to 1300 rpm th...
1988 Nissan D21 2.4L No Start VIN: JN6NDIIS8J
Wits end Nissan troubles. 1988 D21 pickup 4 cyl TBI. No Start. History, came into shop with no start. Queried customer and he said that after launching his boat it quit. Must have taken a little water soaking a few times because the ECM was a ball of corrosion... Trouble codes: 51 (Injector circuit)
1995 Nissan Maxima GLE 3.0L Long Start VIN: JN1CA21D1S
The long start is most noticeable when cold, but it will do it when its warm too. We've followed the trouble shooting diagnois and we're running out of ideas.
2002 Nissan Sentra CA 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3N1CB51D82
This car came in with a bad battery, and a complaint that it hesitates and idles high, and the check engine light on. I replaced the battery and checked the codes which were P0510 (closed tp switch), and P0732 (gear 2 incorrect ratio). I replaced the combinati... Trouble codes: P0121 (tps)
2002 Nissan Pathfinder SE 3.5L MIL Lamp on VIN: JN8D2O9Y22
vehicle came in with active 1140 code, pulled mitchel trouble shooting help, found inconclusive. Pulled schematic, tested both banks, have power and ground to each plug, voltage reading at 13.33 volts, 1140 code is for bank one only, put new ivtc sensor on ban... Trouble codes: 1140 (ivtc circuit high or low voltage)
2004 Nissan 350Z Touring 3.5L No Start, Poor Idle Quality, Cuts out, Stall VIN: JN1AZ36A54
installed new clutch and now the gas pedal does nothing,we have tried to relearn gas pedal but still nothing Trouble codes: P0011, P0021, P0506
1972 Oldsmobile Cutlass 350CID no spark VIN: 3J57K2R175
Here I go again! I don't have spark after I replaced the cap, rotor & points. I don't know if it had spark previous because it sat for 7 years. It probably is the way I set my points, let me know what you think. Here is how I set em', I had the distibutor on t...
1996 Oldsmobile Bravada 4.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 16HDT13W9T
At this time engine surges at idle, engine is rough at idle. Mifire counters show cylinders 1,3 & 5 misfireing at idle. As soon as throttle is moved off of idle misfired disappear, surge disappears and engine vacuum climbs to a normal 18-19 in HG. I have perfo... Trouble codes: P0300 (random misfires)
1997 Oldsmobile Bravada 4.3L Accessories VIN: 1GHDT13WXV
Hi, I have this suv that the blower motor don't have power to the fuse or have power to the window fuse .I check all the fusible link,they are okey.I would like some help with this suv.
1998 Oldsmobile Cutlass 3.1L starting VIN: 1G3NB52M9W
The customers complaint was the battery, brake, abs, and air bag lights are on. Performed a battery and charging system test. Alternator is charging at 14.8v, so I checked the archives for any simular problems and came across with someone replacing the alterna...
2002 Oldsmobile Bravada 4.2L Control Arm Bushings VIN: 1GHDT13S42
Hi fellow techs, I have a customer with a 2002 Olds Bravada All wheel Drive, Air suspension in the rear. The front control arm bushings are worn on it. He doesnt want me to dissassemble it before I have the parts in the shop. Here is my Question. Aldata show...
2002 Pontiac Aztek 3.4L battery light VIN: 3G7DB03E72
customer brought in car said alternator was bad had been at a nother shop they replaced the battery i tested the battery checked the cables and cleaned terminals so we replaced the customers alternator everthing okay took car out for a ride soon as we got back...
1998 Subaru Forester S 2.5L MIL Lamp on VIN: JT1SF6556W
This Subaru starts and runs OK. The "Check engine" light is on and flashing at all times. The codes are as follows. P0130, P0136, P0500, P1100, P1101, P1120, P1121 and P1540. We disconnected the battery over night and the MIL light was back on and flashing bef... Trouble codes: 130 (136 -), 136 (500 -), 500 (1100 -), 1100 (1101 -), 1101 (1120 -), 1120
2001 Subaru Forester L 2.5L harsh shift VIN: JF1S63562H
hey guys here we go ! got a forester here that has a flashing code 45 indicating no map signal detected from ecm to tcm . verified harness from both units , no opens or shorts . harsh shift and seems to bind/chatter when making sharp turns . installed updated ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi TT Quattro 1.8L ambient air temp VIN: TRUUT28N01
Thanks to all, I replaced the front air temp sensor (ambient). Still had no illumination on teeemp cluster. Customer brought back to audi, they replaced illuminated cluster.
1989 BMW 735iL 3.5L No Start VIN: WBAGC4319K
this one has still got me stumped!! after receiving some great advice this one still does not start. i have checked all the relays, all good, have disabled the alarm system, we removed it completely, still no start, replaced the crank sensor, still no start. i...
1997 BMW 750iL 5.4L Differential VIN: WBAGK232XV
Thank you to all that replied. Once disassembled, I could see that the grease inside the rear CV joint was hardened and the joint was noisy. This is the CV joint at the rear of the propeller shaft. We replaced joint with new one and packed with new grease. Nic...
1998 BMW 328i 2.8L Brake light warning VIN: WBACD4322W
Hi Guys, Sorry its taken so long to get back to you. Personal problems, you know how it is. Everyone that suggested the brake light switch was right. Replaced it when it arrived and all was well. Thanks! Tina
2002 Cadillac DeVille 4.6L Light VIN: 1G6KD54Y12
Hi Guys! As I said in my other posts on here, I'm sorry its taken so long to get back to you. Personal problems on the home front. The customer of this Cadillac has requested me to find a used module to install since a new one is around $776.00 his cost. S...
1988 Chevrolet C1500 Cheyenne 5.0L Hesitation, Misfire VIN: 2GCDC14H7J
Wow. Thanks to all who responded! Lots of fast replies. I had heard about the distributor shaft problems, but strangely, haven't had many issues with them up here. In this case, changing the EST module fixed the concern, so thanks to those who turned my head i...
1997 Chevrolet K1500 5.7L No Start VIN: 2GCEK197V1
Hey guys thanks for the help, I guess I shoudnt have mentioned the correlation code. I did check it more than once replaced everything or tried other good known parts. Have a friend that works at a GM dealer, he mentioned the valves, I never gave it a ... Trouble codes: P1345 (CKP Error).
1997 Chevrolet Blazer 4.3L starter VIN: 1GNDT13W3V
thanks for all your help roger from indiana had it right. The back of the alternater had a wire not connected i checked all the replies this morning and went to work and applied all your replies to what we had done.So thanks again for all your help.
1999 Chevrolet Blazer 4.3L speedometer VIN: 1GNDT13W0X
Disconnected computer and speed sensor. Then used a light jumpered into the pigtail for the sensor and applied battery voltage to the terminals in the computer harness to see if the harness would carry a load. Did this to check for broken strands in a wire. Fo...
2000 Chevrolet Impala LS 3.8L No Start VIN: 2G1WH55K1Y
we replaced the ckp as likely cause of intermittant trouble (that we never did duplicate). had some suggestions to check other items like ign 1 relay-was ok. and icm-was ok (we actually put the oem one back on). car has been away for a couple weeks now and... Trouble codes: P0336 (crankshaft position ckt).
2000 Chevrolet Silverado 1500 4.3L engine VIN: 1GCEK14W0Y
Thank you to everyone who took the time to reply. We did a little more investigating. We finally ruled out everthing we could think of so we broke down and put a longer belt on. Amazingly problem solved. Apparently there is a misprint in our parts catalog, it ...
1952 Dodge Coronet 230CID engine
It seems the split was about 50-50 between detergent or non-detergent. It was explained that if the engine has any sludge at all, using a detergent would wash it off and cause filter or pump plugging. If the engine is somewhat clean, using a detergent oil shou...
2001 Dodge Ram 1500 Truck 3.9L brakes
Checked all of the things mentioned ,rec. replacing prop. valve but have not seen cust again to try.Checked whl.cyl. bore and condition and found to be fine,rechecked rear shoes and drums and those also found the only other option seems to be valve even...
2001 Dodge Grand Caravan Sport 3.3L No Start VIN: 2B4GP44341
sorry for the long delay, put a new ignition switch in vehicle. after finaly getting it to act up long enough to get useful information, found leg of ignition switch with no power. vehicles has been gone for almost a month with no reported problems. Trouble codes: P0351 (coil primary circuit 1), P0352 (coil primary circuit 2), P0353.
1991 Ford Taurus SHO 3.0L No Start VIN: 1FACP54Y9M
Hello everyone and thanks for the help on this one. I received replies stating to check the grounds closely and that crank sensor failures are common on these. I tested the sensor and the grounds and found no problems. When i lowered the ECM, to my dismay, i f...
1998 Ford Escort ZX2 Hot Coupe 2.0L timing belt VIN: 3FAKP1134W
thanks to all that replied...with the special tool installed in the side of the block and the crank up against it, the piston is actually past tdc.
2000 Ford Focus ZTS 2.0L engine VIN: 1FAHP3831Y
Well, I took and pulled the oil pan. Could not find excessive movement in lower end. Removed the caps and found them very scored. Plasti-gage, and found number 4 at .003 and measured the journal and found it tapered .002 over spec. Advised the customer and rec...
1998 GMC Jimmy Envoy 4.3L intermittent VIN: 1GKDT13WXW
Receiving all the replies, they hit the nail on the head. I called the GM dealer to order a switch. Guess what?? There was a service bulletin on the ignition switch for the same complaint. I replaced the switch. The customer has ran the vehicle 500 miles. He i...
2001 GMC Yukon Denali 6.0L No Start VIN: 1GKEK63U01
It is finally fixed. This passkey system does not use a special key, it has a system in the lock cylinder and housing. I found that the switch for the key in lock was bad so I replaced the ignition switch, lock cylinder and housing. With the BCM not detecting ... Trouble codes: B2961 (Key in ignition circuit malfunction).
2004 GMC Sierra 1500 SLE 5.3L left inner axle VIN: 1GTEK19Z24
The first thing I tryed was to put the retaining ring in the side gear because the stub shaft has a nice taper to it. This would not have helped for the next time, but our shop schedule was way behind at this point. After several attempts and having to fish th...
1999 Honda Passport EX 3.2L all upshifts VIN: 4S6CMS8W68
I'm closing this one as fixed. Informed customer and gave him a copy of the TSB mentioned in earlier update (Isuzu IB00-S007). He was surprised and assured me his tech hotline would be able to tell him what to fix this problem. I suggested he simply restart th...
1995 Hyundai Elantra 1.6L Hesitation VIN: KMHJF21R4S
I check all the basics - O.K. - Clean T.B., flush injectors with CLEENS, tighten loose alternator and fix leaking exhaust - so far is running satisfactory for the customer (happy), but not good enough for me (I reached the $$$ limit set by the customer)...than...
1997 Infiniti QX4 3.3L Excessive Emissions VIN: JNRAR05Y8V
Replaced engine coolant sensor, EGRC-BPT, and solenoid valve. Adjusted timing to retard, however still high NOX. After replacing CAT, it passed.
2003 Kia Optima SE 2.4L door locks VIN: KNAGD12693
Thanks to everyone who replied. it turned out to be the lock actuators and door lock assemblys. i put one on the drivers side first thinking that it might fix both doors, but it only fixed that one. so the fix was both sides and its all working great. again th...
1999 Lexus ES300 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JT8BF28G5X
i replaced the camshaft timing oil control valves, problem fixed and the car runs much better. you can turn the valves on and off with the master tech, and thats how i found the problem. thanks to everyone who replied. Trouble codes: P1354, P1133.
2000 Lexus GS300 3.0L MIL Lamp on VIN: JT8BD68SXY
Only got one reply. Thanks to Wai for taking the time to respond. After removing the timing belt, it was apparent the VVT sprocket assembly was frozen in one position. Dealer had it in stock. Thanks again. Trouble codes: P1349 (vvt control system).
1988 Lincoln Town Car Cartier 5.0L No Start VIN: 1LNBM83F2J
Thanks to everybody who took the time to help. Most replies were that the timing jumped or restricted exhaust. Well I checked the timing several times & it was good. I removed the exhaust with no help. Then I finally decided to move the distibutor around anywa... Trouble codes: 34 (egr evp closed valve signal too high), 84 (egr vacuum regulator ckt. fault).
1998 Lincoln Mark VIII LSC 4.6L Poor Idle Quality VIN: 1LNFM92VXW
Had a lot of good replies, the one that fixed it was a complete relearn procedure on the idle. Had to kill battery power to wipe out the kam. The idle flare up is perfect now. Thanks for the help..
1999 Lincoln Town Car Signature 4.6L MIL Lamp on VIN: 1LNHM82W9X
hi guys this car got fix with a tune up & fuel injector cleaner car came back a week later for other repair & no light thanks all that help Trouble codes: P0171, P0174.
1990 Mazda Miata 1.6L smell VIN: FMBU14T8KU
After filling the gas tank and driving the car very hard that is; cornering hard. I put the car on the lift again only to find a very small fuel leak coming from the seam in the tank. I still did not smell an order of gas but I was sure that the tank was leaki...
2003 Mazda Tribute LX 3.0L Charging VIN: 4F2YZ94143
Thank you for the pointers on this one. Not to bad of a job when you get the axle and the alternator bracket out of the way took me about 2 hours next one will be quicker.
1999 Mercury Cougar 2.5L turn signals VIN: 1ZWFT61LOX
Thank you for the replies as some of you suggested I wiggled the hazzard switch and this made the problem reoccur, so I went ahead and replaced the turn signal switch and I put a new relay in the new switch just for good measure. It works perfect now, thanks f...
2000 Mitsubishi Montero Sport XLS 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JA4MT31HOY
thank you all for the info and your time. this vehicle was rechecked for cam timing, fuel pressure, egr operation,vacuum leaks, all parts previuosly replaced were factory, rechecked anyway, wiggle test harness.we sent to our local mit dealer, no change, nothin... Trouble codes: P0300.
2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D92
nissan had to replace the whole throttle body assembly. when we replaced the tps sensor , they said the part couldn't be exchanged without replacing the throttle body assembly. go figure? Trouble codes: P1705 (tcm received wrong app signals).
2005 Other Ford motorhome 6.8L abs light on VIN: 1F6NF53S04
hello well, spoke with customer about spending sometime to isolate problem, let customer now that the speed sensors are operating properly but without the proper info time would be involved, he decided that he is going to the manufacturer and will let me now o...
2004 Pontiac Sunfire SE 2.2L engine VIN: 1G25B12F74
Sorry it has been so long before I have replied back about this sunfire. This diagnosis was tough, being the noise could only be heard about 5 seconds after engine was started. The other technicians and I came to the conclusion that it was a lifter or 2 bleedi...
1998 Saab 900 SE Turbo 2.0L Excessive Emissions, Poor Idle Quality VIN: YS3DF55N9W
Hello, thank you to all who replied to this vehicle. The answer was in fact the purge valve. Even though it appeared to be working properly, replacing it did the trick. Thanks to William [...] who hit the nail on the head. I hope this post helps others in the...
1997 Subaru Legacy Outback 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 4S3BG6850V
I recieved a lot of great advice with this vehicle. Much to my dismay, the customer can't afford to fix it now. I came to the conclusion the valves on the other side were not seating properly. I connected a vacuum gauge to the engine and there was significant ... Trouble codes: P1507.
2000 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B4Y
Thanks to everybody who had responded. At first I found a split open vacuum hose betveen purge VSV and EVAP canistr, cleared the codes. Car was back 2 das later with only P0446,I replaced CCV VSV. The vehcle has not been back since. Trouble codes: P0171.
2001 Toyota Sienna CE 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4T3ZF19C41
several good idea's. Customer did not want to proceed any further at this time. I will update in future if van comes back in. Trouble codes: P0300.
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