Automotive Technicians Technical Discussion and Fixes for May 25, 2004

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	Help Request	Answers
	1995 BMW 740iL 4.0L Misfire VIN: WBAGJ6324S We have checked injectors- swapped from cylinder to cylinder as well as plugs, coils, etc. # 8 cylinder still has a constant misfire- pulling spark plug an inspecting shows fuel on plug- We are out of ideas- is there anything that could cause a misfire on one ...	View
	1997 BMW Z3 Roadster 2.8L Head Bolt Threads VIN: 4USCJ332XV Hi there, We had a customer bring in this Z3 that he just bought on Ebay. It started overheating after he got it, and we discovered it had a leaking head gasket. We started taking the head off and noticed that the 4 corner head bolts were tight, but all the r...	View
	2000 BMW 328Ci 2.8L compressor VIN: WBABM5345J Hello BMW techs I bought this car not running, (a repo) found the waterpump pulley and tensioner pulley broken, replaced and car ran fine, only trouble is the a/c takes about 2 to 3 minutes for the compressor to engage then a/c works great. It only does this u...	View
	2000 BMW 528i 2.8L specs. VIN: WBADM6347Y Hello fellow technicans. This is for technical data. I cannot find the "go no go" specs for the alignment for this car. Our alignment machine operates off of candle power and is not updated for anything newer than Fred Flintstones family cruiser. Can you help ...	View
	2001 BMW 325i 2.5L abs/dsc3 module VIN: WBAAV33471 speedo inop, brake and abs lights on. scanned systems engine control [...] can- asc1, 214 vss, trans control 49,149, 130 can-asc1, vss, gear monitoring kombi 215 rightlever type sensor, 245 can-asc1. checked all fuses good, (bob)at abs/dsc3 control module h...	View
	1990 Buick Regal 3.8L Cuts out VIN: 2G4WB55L7R Vehicle dies while driving, will restart if put into netrual. Has no codes, have good fuel pressure, while in park vehicle will idle for hours. Have replace fuel filter, oil pressure switch, and gave vehicle tune up. has passed smog, also replace TBS. has anyo...	View
	1998 Buick Century Custom 3.1L abs and master cyl Did front pads, clean & adjust the rears, and attempted brake fluid flush. I pushed in the piston pushing the fluid back to the master. No fluid will come out the wheel cylinders for anything. If i opened the lines for the rears at the abs unit and no fluid co...	View
	1988 Chevrolet C1500 Cheyenne 5.7L Cuts out, Stall, BUCKING SURGE VIN: 2GCDC19K7J ON the first test drive I noticed 3 concerns: 1st: BUCKING under light acceleration from slow speed 2nd: CUTS OUT at cruse (like the key was switched off-only for 1 to 3 seconds then comes back to life) 3rd: STALL on decel & at idle in gear. I have checked: M... Trouble codes: 45 (RICH EXHAUST memory has not reset)	View
	1988 Chevrolet Suburban R20 5.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall Please help!!! Running out of ideas. someone else put a t-body on it trying solove this problem. will not idle when cold and will not run unless you pump the pedel. fuel pressure is 14lbs and very steady,intergrator @135.if you hold rpm up at 2500 you can watc...	View
	1992 Chevrolet Camaro RS 5.0L kills fuel pumps VIN: 1G1FP23E2N hello fello techs , maybe you can clue me in the right direction. this car is high milage 182437 ,yet has been kept up in excellent condition. it has a new fuel pump relay ,new sender assembly, wire harness and pigtail connecter that plugs into the body harnes...	View
	1996 Chevrolet K3500 Cheyenne 6.5L Poor Fuel Economy, MIL Lamp on VIN: 1GCHK39F1T need some help after repairing the engine do to a timing chain brake bent valves heads were cracked replaced them do not know if this is a new problem or not but the truck seems to be a dog and lots of black smoke under load. also the ses light comes on for tu... Trouble codes: P0236 (boost sensor)	View
	1997 Chevrolet Astro 4.3L Misfire VIN: 1GBEL19W2V We recently replaced Headgaskets in this van. It has comeback to us with a random misfire. We scanned it determined that 2 of 6 injectors had failed and that #4 plug wire Failed. We replaced all 6 injectors and replaced the wire set again. The random miss was ...	View
	1999 Chevrolet Astro 4.3L Unknown VIN: 1GCDM19W9X this van has an 1870 trans code. freeze frame data indicates problem was detected at 54 mph.13% throttle,engine fully warmed up and 20% engine load. so i have to assume there is a problem in the tcc. where i am lost is,,,i can not duplicate the conditions that...	View
	2001 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W51 I believe I have a problem with a passlock syst. Crank's but no start,security light flashes and dtc P1631C in memory. This vehical started an drove fine when it was inspected as a used car a month or so ago. It looks like it has a set of fresh cut key's that ... Trouble codes: P1631	View
	1995 Chrysler Concorde 3.3L antitheft system VIN: 2C3HD56T8S car came in no start with headlight flashing check for spark, fuel proper battery voltage getting reference on cam and crank sensor but trying to theft system with mitchells and alldata no correct wire schematic do not have electrical connection in doors or tr...	View
	1997 Chrysler Sebring LX 2.5L power steering pump Hey guys, I'm currently and school now and just found out I have to go back to work for a day just to fix this darn Sebring Convertible for a repeat power steering pump shaft leak. There were no known problems from the pump until after we replaced OE pressure,...	View
	1991 Dodge Grand Caravan LE 3.3L 1-2 shift VIN: 1B4GK54R8M This problem is some what intermittant, maybe once a month. Usually in stop & Go traffic, hot or cold. Trans has no drive after 1-2 shift. Have to come to a stop, turn engine off, re-start and is Ok after that. No codes are present. Any help is greatly appreci...	View
	1996 Dodge Avenger 2.0L Poor Idle Quality, Stall, High Oil Usage VIN: 4B3AU42Y1T Looking For A Little Advance Help On This Car. Owner Said It Uses Excess Oil(1 Quart In 500 Miles) Car Also Idles Ruff And Stalls At Times. Do These Engines Have Any Common Problems That I Should Look For? Thanks Dave	View
	1996 Dodge Stratus ES 2.4L MIL Lamp on VIN: 1B3EJ56X5T Our problem on this dodge is we are getting a po455 large leak detected also has another code for o2 center too long which may be related . any way I pinpointed the leak to the gas tank sender o ring but First I replaced the o ring then the sender but still le... Trouble codes: P0455	View
	1996 Dodge Caravan ES 3.3L running/park lites VIN: 1B46P45R5T strange occurance on this van.running/park lites were on with the switch OFF! and key in hand.customer stated had this problem once before and took it to dealer but they could not find cause,they reflashed body and pcm.it was fine for a few months then started...	View
	2000 Dodge Grand Caravan SE 3.3L compressor VIN: 1B4GP44G4Y Hola, the customer states he saw a poof of dust/smoke from under the hood , then the A/C is'nt working. I'm assuming the clutch gave up the ghost. I'm surprised to get over 100 psi on the low side, because the clutch is disengaged, at least the outer hub is'nt...	View
	1991 Ford F-150 Custom 5.0L temp VIN: 1FTEF15N5M hellow guys need some help please this truck came in for a/c not cooling, we pull the truck in the shop turn the air on the air work great for about two minute then got warm i look at the gauge the low side was at 40 psi and the high side was 350 psi i put my ...	View
	1995 Ford Explorer Expedition 4.0L power windows VIN: 1FMCU24X6S Hi folks, Hoping someone has seen this issue that this Explorer is experiencing. Myself I have not been able to duplicate the problem but what customer says happens is that off and on the power windows will not go down on either door. If they go down they wor...	View
	1998 Ford F-150 Lariat 4.6L wipers VIN: 1FTZX18W5W THIS TRUCK CAM IN WITH WIPER PROBLEMS, ENGINE STARTED, IN PARK OR NEUTRAL, WIPERS WORK FINE ON INTERMITTANT AND REGULAR SPEEDS, BUT WHEN YOU PUT IT IN ANY GEAR, YOU LOSE THE INTERMITTANT WIPERS AN LOW SPEED BECOMES INTERMITTANT. aLSO, THE DOME LIGHT QUITS-BASI...	View
	1998 Ford Contour SVT 2.5L No Start, no scanner communica VIN: 1FAFP68G7W vehicle came in with check engine light on - diagnosed bad tps( no change in voltage via scanner & vantage) - replaced the tps and tested (ok) - no codes - Road tested the vehicle several miles and intermittently the vehicle's idle drops below 500 rpm then qui... Trouble codes: XXXXX	View
	1999 Ford F-350 Super Duty XL 7.3L clutch VIN: IFTWX33F6X truck came in this way we replaced the master and slave cyl pedal feels real good but sometimes truck will not go in gear the problem is not there every time am i missing something here or does this truck need a clutch ? clutch does not slip though but will th...	View
	1999 Ford F-250 Lariat 4.6L brake lights VIN: 2FTRX27WXX Hi techs; this ford came in with the brake lights not working on the rear of the vehicle. the high mount brake light on the cab works ok but have no power to taillight assemblys. have traced wires from taillight assemblies to plugin on left front fender and it...	View
	2000 Ford E-350 Econoline 5.4L No Start, Stall VIN: 1FDWE35LXY Won't start cold , starts and dies, dumps smoke ( looks like a flooded diesel) takes about 30 min of start and die to get to run, once it warms up it will idle but detonates and lacks power under load .I have replace mass air flow, air temp and baro are part o...	View
	2001 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP52281 We have a 01 taurus the fuel gauge intermittently goes full/empty Ironically it is much more accurate w/ scanner attached.. 16% fli- 45 % fli A little less than 1/2 tank..so 44% seems ok.. Tried to wiggle harness,from under rear seat to next to blower motor.. ... Trouble codes: P0460	View
	2001 Ford Mustang 3.8L ABS Module VIN: 1FAFP40441 Car into shop for ABS lite on code C1145 and Traction control lite on.Performed scan and definitely don't have RF wheel speed input, check all wiring as per tree and no opens, shorts,or high resistance found, sensor ohms out at 1725 ohms, reluctor wheel clean ...	View
	2003 Ford F-250 Super Duty XL 6.0L No Start VIN: 1FDNF20P63 Vehicle towed in to shop for no-start problem. Vehicle would start and run for short while when standing outside in cold weather, thought it may be temperature sensors but these seem o.k. Truck now has crank / no-start situation all of the time.	View
	2003 Ford Crown Victoria 4.6L Battery light VIN: 2FAFP71W93 Hello, This Crown Vic came in for a no charging condition. I replaced the alternator and then checked the charging system with a Midtronics charging system tester. All the readings looked good except the loaded alternator output reading. At 13.35 volts it was...	View
	1991 Honda Accord EX 2.2L Sunroof VIN: JHMCB7662M Thanks for helping with our problem. Vehicle was towed in for a no start. We checked and found water had soaked the engine control module, seat belt module and transmission control unit. We were able to dry them out and fixed the starting problem. The water ca...	View
	2000 Jaguar Vanden Plas 4.0L engine VIN: SAJDA24C3Y Hi all: this jag came in with top plastic hose's melted, check for overheat & found the headgasket blowen= sold head job then tore down motor, found the knock sensors melted, water pump leaking, hose's under intake bad & some scratches on the cly. walls. Ques...	View
	1990 Jeep Cherokee 4.0L engine VIN: 1C4867BC5L vehicle came in with no start, batt dead we charged batt and will start but when put in reverse car dies. checked grounds and fuses, ecm connections,batt terminals,and a few other plugs and connections. we are lost as what to check next.	View
	1994 Jeep Grand Cherokee SE 4.0L Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 1J4GZ68S5R Jeep has had mil light coming on for few months. After warm up only. OTC scanner shows low vacuum, lean-rich switches ok first few minutes of start up, even with engine warm. MIL light will come on at idle as well as driving after few minutes of running. Tried... Trouble codes: 21 (02 sensor runs rich)	View
	1995 Jeep Grand Cherokee Laredo 4.0L rear wiper VIN: 1J4GZ58S1S we don't have a wiring diagram for this vehicle but we can't check it when it doesn't act up	View
	2002 Jeep Liberty Limited 3.7L steering column VIN: 1J4GL58K02 The complaint on this vehicle was high effort, rough steering and poor directional stability. It has been in a mild rear end accident, but inspection of the steering system did not show any visible evidence of the accident. There is some evidence of dampness ...	View
	2002 Land Rover Range Rover HSE 4.6L Excessive Emissions, Poor Idle Quality VIN: SALLMAMA32 Hello Group, we have Range Rover Vogue with idle quality problem. I believe the engine is BMW M62. I can communicate with the DME using Autoland BMW scanner and read the code (33 - Inlet-Camshaft control bank 1, function failure). No data stream available from... Trouble codes: 33 (inlet camshaft control bank 1 fuction failure)	View
	1992 Lexus ES300 3.0L Stall VIN: JT8VK13T4N HELLO TOYOTA/lEXUS TECHS: This is our first time with this vehicle. Complaint is it stalls on decel sometimes, usually when coming off a ramp. It won't act up here. We tested ISC valve for "clicking" (it is), and tested the resistance (within spec.) Did not di...	View
	1999 Lincoln Navigator 5.4L Spark plug VIN: 5LMPU28A4X Cyl #8 had a misfire. Pulled the coil out and found that water was in the plug well. I could not determine whether it was plain water or coolant. It did not appear to be coolant but I have no indication that moisture is getting in from the outside either. The...	View
	1996 Mazda Miata 1.8L Battery VIN: JM1NA353XT Hello everybody. I'm working on a little MX5 convertible which is running the battery dead after a few days of sitting. Measured key-off drain of 40-50 milliamps. Spec from All-Data says 20 milliamp. New battery from the Mazda store recently installed. Does ha...	View
	1995 Mercedes-Benz E300 3.0L Loud knocking noise VIN: WDBEB31E4P This engine (606) has a very loud knocking noise when RPM’s are approximately 2800 to 3200. Very noticeable in 1st and 2nd gear. Curiously the noise goes away when revs go higher than 3200. It sounds like some type of fuel knock. It isn't just one cylinder but...	View
	1998 Mercedes-Benz C230 2.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: WDBHA23G7W when i start the car it will idle okay sometimes, but sometimes it idles ruff then stalls.when i press the gas pedal i get no response from the engine at all. i've tested the fuel pump and got about 10 psi inline.i checked the fuel pump relay ,the relay gets g...	View
	1994 Mercury Sable GS 3.0L engaging VIN: 1MELM50U5R WE are not into transmissions here but need advise on procedure. When cold transmission ingages both forward and reverse as should and shifts up through gears fine and down shifts. When warm the transmission does not want to engage in forward or reverse withou...	View
	1998 Mitsubishi Montero Sport XLS 3.0L Excessive Emissions, Hesitation, Misfire VIN: POWPO35870 Check fuel pressure found ok for the first three or four minutes. Check fuel pressure when problem occurs 10 psi.Removed Air flow meter conector & pressure goes back to normal (44psi). Trouble codes: N0NE	View
	1993 Nissan 240SX 2.4L Cuts out Hope someone can help me with this one. I'm trying to get this car finished for my high school sons graduation present. I have pretty much rebuilt the car front to back.Too much to list. The car runs great except when it hits 5200 rpm while accelerating. It ...	View
	1994 Nissan Maxima SE 3.0L Mechanical VIN: JN1HJ01NF5 The trans makes a loud growling noise in either park or nuetral when the car is stationary but quiet in any gear. When driven there is a similar noise but not a loud and changes somewhat with engine speed and load. The magnet on the drain plug was covered with...	View
	1997 Nissan Quest GXE 3.0L Surge, MIL Lamp on VIN: 4N2DN1111V Hello folks, this van has a strange condition that's leading me around in circles. It came in for a MIL on indicating a faulty TPS (codes po120 & p1705). After scanning the vehicle I reset the ECM and the code came back immediately-I mean within two seconds. I... Trouble codes: P0120, P1705	View
	2000 Nissan Maxima GLE 3.0L Stall VIN: JN1CA31A6Y engine runs for 15 to 20 seconds before stumbling & stalling. opening the throttle makes it die immediately. primary ignition failure code is a hard code. replaced faulty coil, code cleared but still keeps stalling. feathering the throttle helps keep it runnin... Trouble codes: 1320 (primary ignition circuit failure)	View
	2000 Peugeot 305HD .0L door locking VIN: VF37BRHYE3 If you press the remote key to lock the doors or look it with the key, all dorrs are locking and if you release key or remote it opens again. All fuses are ok. Vehicle had a flat batterie and it has been replaced. The central locking was working after that.	View
	1994 Pontiac Firebird 3.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2G2FS22S9R this vehicle came in with 4 dead cylinders two wires were open and one of the coil packs were arcing through the side of the tower onto the ignition module. i replaced the plugs, wires, coil pack, and module. the car then ran. now the car has two dead cylinder...	View
	1995 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX52K5S Customer complaint of sometime vehicle will not start after a shutdown. Wait awhile and it will start. I cannot duplicate problem. After no start, code 321 is stored. Code will clear, and not return untill next time it will not start. Any known pattern failure... Trouble codes: 321 (no 18x ign pulses)	View
	1996 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWWA81H6T Hi Group This car runs fine but has MIL for P1476-Leak detection pump malfunction. I have checked the basics and don't see any obvious problems, gas cap appears OK, no broken vacuum lines, purge valve checks OK. I found a tech bulletin that mentions this car ... Trouble codes: P1476 (EVAP Emission control LDP ciircut malfunction/ Insufficient Vacuum)	View
	1996 Volkswagen Cabrio 2.0L Cuts out, MIL Lamp on VIN: WVWBBB1E1T hi guys i have this car that is afected by wet weather. it skips and chugs only wet with the above code. i have replaced, throttle body , injs, cap, rotor. wires, coil,dist,fuel psi fine no v leaks, i have clean all grounds and volt ck them. fine. i always get... Trouble codes: P0121	View
	2000 Volkswagen Beetle GL 2.0L blue coolant light VIN: 3VWCS21C71 Its definatly been a crazy week here but this beetle is got me even more crazy. it came in with both temp lights blue and red on we replaced the fan this fixed the red light the problem now the blue light comes on when ever the car is started but then once the...	View
	1984 Volvo 244 DL 2.3L Excessive Emissions VIN: YV1AX884XE hi volvo tecs. failed this car early this week. called tec line for things to check. checked maf sensor voltages and grounds, o2 sensor nearly burnt away, replaced with new bosch sensor, now it reads rich mixture, but will not lean out. pull vacuum of of brake...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Audi A4 2.8L Airbag VIN: WAUED28D4X Gentlemen, I would obviously first like to thank everybody for the fast replies. I received several tips about the Volvo test ignitor that you can substitute for an airbag, this device is great and I have several of them but that only works on the front 2 airb...	8
	1989 BMW 535i 3.4L Battery VIN: WBAHD2302K Hello there and thanks for the responses. The general concensus is this parasitic draw of 61 mA is acceptable on this vehicle. I suspected it might be normal, justed wanted some opinions from those in the know. I have replaced the battery with the largest reco...	7
	1994 BMW 540i 4.0L No Start, Poor Idle Quality VIN: WBAHE6325R Sorry to say no fix on this one yet, I will post later if we get problem resolved.We had already tried what was suggested in most of the replies. Idle valve is good, tested for vacuum leaks, and substituted known good airflow meter. We have now replaced fuel p...	7
	1996 BMW 328i 2.8L Excessive Emissions, Poor Idle Quality, Cuts out VIN: WBACD432XT Well after shaking the harness at the ecu it started to run good. Found some corrision at ecu connector, cleaned it up and has beed running fine ever since. Its beed over a week and has been running fine Trouble codes: 8 (air flow sensor), 227 (mixture devation 1-3), 228 (mixture devation 4-6), 78 (02 sensor voltage 4 after cat 4-6), 202 (02 sensor control limit), 203 (02 sensor control limit 4-6).	5
	1997 BMW 328i 2.8L odometer VIN: WBACD432XV Thanks for all the help. there is a bulb to iluminate the odometer. Remove 2 screws from top of instrument cluster, pull cluster out & tilt it face upward & bulb/socket is accessible without even removing steering wheel. The socket(bulb assembly) is a 6mm hex ...	8
	1994 Buick Century Special 3.1L Oil in system VIN: 1G4AG55M2R Hey guys, First of all I would like to thank everyone who replied. I recieved A lot of replies saying the intake gaskets are causing this. Im not sure why so many people would think this due to the fact that there is no oil pressure where the intake gaskets se...	22
	1994 Cadillac Seville STS 4.6L oil leak lower block VIN: 1G6KY5296R Thanks for the technical help to all the replied. The vehicle has been completed for quite a few weeks now and has returned for checkup and all is good. This vehicle was repaired as per correct installation from best judgement from years of experience. The cra...	5
	1997 Cadillac Seville STS 4.6L cooling system VIN: 1G6KY5290V Thank you guys for your knowlege and taking the time to reply. Just as many of you suggested, 'Head Gaskets'. After a few hard accelerations on the road, combustion gasses showed up in the cooling system. I suspect that it will have a few pulled theads at the ...	16
	1993 Chevrolet K1500 Cheyenne 5.7L system pressures VIN: 2GCEK19K6P Thanks to everyone who helped. Several brought up adjusting the cycling switch, but this one was not adjustable. Others mentioned that the system might be overcharged with oil or the oil in the accumulator was not circulating, so I replaced the accumalator aga...	24
	1996 Chevrolet Astro 4.3L No Start VIN: 1GBDM19W2T the van is now running but has a transmission code still.somewhere in between changing the fuel pressure regulator for too much pressure 90 psi to getting the right pressure but leaking down after key off i replaced the regulator a second time but must have mi...	25
	1998 Chevrolet Venture 3.4L water pump VIN: IGNDX03E1W Had six responses. The consensus was that NAPA premium pumps for v-6 can cause problems, one person saying that he had seen them leak after three hours' driving. Two recommended GM pumps with one saying to put ginger root tabs in the coolant. One said to flush...	7
	2000 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W6Y thank you gentlemen for your replies.we put a new fuel pump pigtail on the truck and so far,(800 miles) the vehicle has been doing great. thank you techs for taking the time to assist us.it is greatly appreciated.	11
	2000 Chevrolet Express 2500 5.7L Brakes VIN: 1GCGG25R2Y We never found a definite cause for this complaint. I spoke to our GM Fleet rep and he has never heard of this type of complaint. As a precaution, we replaced the master cylinder/hydroboost assy. As this problem only occurs every few months, we will not know f...	5
	2002 Chevrolet Silverado 1500 5.3L overheat VIN: 2GCEK19T22 Many thanks for those who responded. Repair ended up being blockage in the tube from the radiator to the fill tank. Even though we bled the air repeatedly the bleed tube would not let us get all the air from the system. Thanks again to those who read the messa...	5
	1997 Chrysler Cherokee 4.0L Ignition-fuel pump VIN: 1JF4FX58S8 First I Checked voltage to the cps. Was not getting any voltage. I went to check voltage to tps, no volatge. Checked voltage to Computer, yes found voltage, but no 5 volts going out from it.Concluded to replace computer. Car back on the road. I want to express...	9
	1988 Dodge Lancer 2.2L Cooling VIN: 1B3BX48D2J Thank you for all the replies. Every one said the same thing, HEAD GASKET. The customer is driving the vehicle and declined the removal of the head for furthur diagnosis.	21
	1995 Dodge Dakota 2.5L Poor Idle Quality VIN: 1B6FL26G9S First of all thanks to everyone for their helpful responses. After re-checking my timing and covering my bases, I checked out the EGR valve based on a few different letters. Sure enough the EGR was plugged causing a poor idle. Thanks again. James from IL	11
	1997 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTDX1862V we found the intake port was partially plugged , even though it had vacume it was not enough to work . i also changed the dpfe sensor . as a pm only, after the repair . thanks to all for your help Trouble codes: P1401 (memory code egr low flow detected), P1408 (koeo egr low floe detected).	24
	2003 Ford Mustang SVT Cobra 4.6L Stall VIN: 1FAFP48YX3 first id like to thank all who replied. many suggestions were helpful but the fix was replacing the pcm. after hours of checking grounds, battery voltage loses, etc. i had no other choice but to try and replace the pcm. when i had mentioned that the guages wer...	11
	1995 GMC Yukon SLE 5.7L Surge, Stall VIN: 1GKEC13K4S Hi fellows 'TECHS',thanks for the fast response and thank you very very much for helping me on this one,received four reply Steven,Paul,Stan and Bob,new OEM e.g.r.valve solve the problem. Thanks again and thanks to IATN also.	7
	1997 GMC Savana 3500 5.7L Hesitation, Surge, Misfire VIN: 1GTHG35R4V As many suggested, I cleaned the injectors with some improvement in overall performance, but still had a stumble/stall during open loop operation on initial start. The cure was a replacement PCM. I wish I could explain why or how, but I can't. Most likely the ...	9
	1990 Hyundai Excel GL 1.5L Excessive Emissions, excessive nox VIN: KMHVF22JXL hey guys , thank you for the helpful hints. i did have a 02 sensor code but when i checked o2 sensor twice and it checked ok i checked the basics and then i checked the basics again . i erased codes and 02 code came back. i pulled out o2 sensor and found that ... Trouble codes: 11 (o2 sensor circuit).	5
	1992 Isuzu Rodeo LS 3.1L Excessive Emissions, No Start, Surge, MIL Lamp on VIN: 4S2CY58Z3N this vehicle was in clear flood mode as one reply mentioned,but changing the ecu with a reman unit didnt cure the problem because i transfered the prom into the new ecu.basically i transfered the problem...a new PROM brought the vehicle back to life. thanks to... Trouble codes: 43 (knock sensor...eeprom), 21 (tps high), 22 (tps low), 33 (map high), 34 (map low).	3
	1995 Jaguar XJR 4.0L rack mounts VIN: SAJPX1146S Of the four replies I received, one was very helpful, the others not. Michael from Lebanon wrote that he replaced the mounts, which were obtained from ZF directly. I eventually found my way to a phone # for ZF here in the US, and actually got an answering mach...	4
	1999 Jeep Grand Cherokee Laredo 4.0L Cooling Systems VIN: 1JEEPWITHP From: Bob from Michigan Date: 05/07/2004 06:54:06 The fan relay on these should have a 12v square wave singal from the pcm to the relay, they can be easly checked with a lab scope. Just look for a 0v to 12v togle on the dark blue and pink wire and for its fr...	11
	1997 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF22G9V Took everybodies advice. Replaced converter with original equipment Lexus and problem was solved Trouble codes: 420 (catalyst system efficiency below threshold).	6
	1992 Mazda Miata 1.6L Excessive Emissions, Hesitation, Surge, MIL Lamp on, SURGING IDLE VIN: JM1NA351N0 THANK YOU JERRY & PETE FOR ALLOWING THE TIME TO POST ! As you said Jerry, the throttle switch was off, it read ZERO volts wile the throttle was closed & 1/3 way open. i adjusted it so the voltage came came to 12volts just off of Idle. took care of the idle sur...	5
	1980 Mercedes-Benz 280CE 2.7L No Start VIN: 1233053120 I guess I've been lucky, never have experienced this apparently common CIS problem. Almost all of the 21 responses either specfically or at least included the suggestion the fuel accumulator was the cause. I thought, by 'pinching' off various hoses, that all t...	21
	1995 Mercury Villager LS 3.0L Cuts out, Stall, Misfire There are a couple of different things that were reccommended to me and I am going to list them all so others will know where to start looking when they come up with something like this. The pickup inside the distributor is an optic sensor with a round plate f...	15
	1988 Oldsmobile Cutlass Calais SL 2.5L speedometer VIN: 1G3NT14U9J customer declined to replace instrument panel.car only driven few time a week locally.speedo buffer/driver not available seperatly on this model.	3
	1992 Pontiac Grand Am SE 2.3L Excessive Emissions, Hesitation, Stall VIN: 1G2NE5439N Hello techs, thanks for the response. I reinstalled all the old parts except for the new plugs and the bad pressure regulator. Delco offered an OE and aftermarket O2 sensor. The OE sensor part number matched the number we had installed a month ago, but we remo...	5
	1998 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 1G2HX52KXW sorry it took so long but i just got the car back today thanks to everyone who replied turns out the tan and black wire was pushed back in connector on the front of the intake just like what was suggested thanks again Trouble codes: P1352.	5
	1996 Saab 900 SE Turbo 2.0L blend door VIN: YS3DF38N9T it appears that the computer went into sleep mode with regards to the i.c.e., so i disconnected the battery for approximately 20 minutes and it reset. once that occured the system came back to life and it is operating properly. i found it in the data bus secti...	2
	1992 Toyota Corolla 1.6L Excessive Emissions VIN: 2T1AE94E4N thanks to all who replied. a lot of you had the right idea when you suggested valve train. I put a vacuum gauge in the line and all looked well,also found a miss when cold at #3cyl everything seemed o.k. Anyway to make a long,long story short I installed a bac...	9
	1998 Toyota Sienna LE 3.0L engine VIN: 4T3ZF13C0W Thanks for all the replies, out of 10 replies 6 were right on. We removed the valve covers and found major sludge.Looks like were gonna remove both valve covers and the oil pan and do some major cleaning and hope for the best.Im also gonna start running synthe...	23
	1993 Volkswagen Passat GLS 2.8L range controller incorrect signal VIN: WVWJF4313R Hi all and thank you for the replies. None of them were a specific fix. Yousef, and David from Arizona said that it was an internal slippage problem, and Byron from Ontario said replace the TCM. At this point, the car went back to the trans shop for a complete...	4
	2000 Volvo S40 1.9L Misfire, MIL Lamp on VIN: YN1VS2556Y Thanks to all who replied. Had head machined, reinstalled head replaced plugs and new thermostat,cleared codes, road tested runs great no codes, customer has not picked the car up yet.thanks again	3

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