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Prev Professional Automotive Repair Technical Discussions for June 16, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Audi 90 S 2.8L No Start VIN: WAUBJ88C8R
This car came to us with a no start, we started with the basics and there is no fire no fuel delivery and we tried to spray the inlet with carb cleaner and it wont start, The starter is working and the tach is going up above o and shows signs of movement. is t...
1998 Audi A4 2.8L shift engagement VIN: WAUGD28D5W
This one is four your transmission gurus out there. We recently overhauled this 5HP19 transmission. It is filled with the Esso LT71141 fluid. When transmission fluid gets hot, above 78' Celsius, the shift engagement from N to D will get harsh and feels like a ...
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUBA24B3W
Ha I have an Audi A6 with a sec air code (p0411).Here's the history we replace the sec air sol.,valves both and the relay; air valve were leaking. Only set a code one or two time a mounth. Same thing evry time when coming off the highway car almost stalls runs... Trouble codes: P0411 (sec. air)
1999 Audi A4 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUDD28D0X
2000 Audi A8 Quattro 4.2L pad light VIN: WAUFL54D2Y
replaced front pads which come with new sensors and pad warning light stays on. I bypassed sensors, tied wires together from old pads and plugged them up to connector. Is there a reset procedure? Cant find what I need in cd repair information.
1987 BMW 735i 3.5L Poor Idle Quality, Misfire VIN: WBAFH8406H
Hello all, I have a problem child that refuses to get better and go away. I am after an intermittent misfire. It feels like a bad spark plug. It has new plugs,new cap,new rotor and wires. The injectors are new from BMW. I thought I was lucky because I had a t...
1987 BMW 325is 2.5L Poor Idle Quality, MIL Lamp on VIN: WBAAA2307H
This car just idles rough,especially when cold and lean all the time, I have replaced the blow by hose, gasket at throttle body, cleaned idle control valve (black and sliver unit)cleaned sanded flat and new gaskets on the throttle body itself, replaced plugs, ...
1991 BMW 850i 5.0L Starting Circuit VIN: WBAEG2313M
Help BMW techs. This car was towed in after customer replaced batterys. There is no power to feed the switched side of fuse boxs and only the acc. circuits light up on the dash with ignition switch. No crank circuit power. I can back feed the fuse box and get ...
1995 BMW 525i 2.5L Starting VIN: WBAHD6324S
Hi BMW techs. i am posting for a friend's shop. i told them already this might be a dealer job. here is what happened. customer driving this car losing coolant. which he want to save towing and drove to the shop by stopping add coolant and drive again. on the ...
2000 BMW 528i 2.8L compressor VIN: WBADM6349Y
Hi Guys...Got this BMW here customer complained of no ac..tested system and found leak at expansion valve. We replaced expansion valve and receiver drier and sent vehicle down the road.. Vehicle came back in the other day...customer stated that lost ac and hea...
1995 Cadillac DeVille 4.9L level control VIN: 1G6KD52B7S
This vehicle came to me this first time, never been here before. The back end is up high and rides bouncy. The pump is inoperative and is not releasing pressure. There are no codes, and I can't find the correct procedures to diagnosis. I think I have a bad pum...
1995 Cadillac Fleetwood 5.7L Safety VIN: 1G6KD52B35
Hello Fellow Techs. Todays diagnostic dilemma comes from a 1995 Cadillac Fleetwood with a 5.7L engine. The customers complaint is that when he turns on the headlights (day or night), the Audible Warning Device starts beeping fast. If you insert the seat belt i...
1988 Chevrolet S10 Blazer 2.8L Poor Idle Quality, Hesitation VIN: IGNCSI8ROJ
owner says hesitates and has loss of power. test drove and verified. felt to be fuel related. tested fuel pressure before filter- ok, fuel regulator helped to restore power, but still has slight hesitation at light throttle sometimes. replaced fuel filter- no ...
1992 Chevrolet Astro CL 4.3L speedometer VIN: 1GNDM19Z6N
Hello all, I have a 1992 chevrolet astro van that keeps blowing the fuse for the brake. at first it was hard to get the correct pattern to get it to blow but what we found is that the vehicle has to run for 5-10 minuets and get fully warm before the fuse will ...
1995 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W1S
Thanks in advance to everyone reading and replying to this request. I have this Chevy Blazer that keeps resetting code p0401. I can request the egr to open and at all %'s there is a change in RPM's. I took off the egr valve, it had a screen that was not blocke... Trouble codes: P0401
1999 Chevrolet S10 2.2L Excessive Emissions VIN: 1GCCS1440X
This vehicle came in for a dyno smog. It originally failed for NOx at 15 mph with a reading of 876. Max is 533 ppm. After looking at all my PIDS using scan tool and no codes, using a scope on the O2 sensor with propane, checking for leaks using smoke machine, ...
2001 Chevrolet Express 2500 5.7L No Start, Hesitation, MIL Lamp on VIN: 1GCGG25R11
Hi everyone, This is been a good one, this van is a CNG factory installed setup, i don't know much about CNG other than what i read on GM TIS,when running on CNG,the van feels like it just runs out of gas, it idles ok and just off idle will be ok, but a small... Trouble codes: P0102 (MAF circuit low)
1998 Chrysler Sebring LXi 2.5L No Start, Poor Idle Quality, Cuts out VIN: 4C3AU52N9W
Car originally came in with misfire and hesitation, poor idle. Preformed complete tune-up and runs great now but idle is still too low and intermittantly stalls/cuts out (restarts ok) and intermittantly cranks but wont start (crank it long enough and she'll go...
2001 Chrysler Town & Country EX 3.8L failed emission test VIN: 2C8GP54L81
car will not pass ny state emission test due to check engine light on. has 1 or 2 evap codes for small and large leak. i cant seem to find any leaks and we checked this vehicle with a smoke machine 3 times. all valves seem to be working properly. We changed th...
1995 Dodge Stratus 2.4L communication VIN: 3C3D246XXS
Car came in with a tranny in limp mode, customer said that suddenly tranny range display at instrument panel illuminated all range gears at display and not only drive and car went to limp mode, we've checked it with scan tool but i can't access into TCM, there...
1996 Dodge Neon 2.0L No Start VIN: 1P3ES42CXT
We replaced head gasket and timing belt, ran it for about a half hour and it shut down. Now it has good spark and no injector pulse on 1 and 3. (good pulse on 2 and 4) Replace pcm and checked wiring. Replaced cam and crank sensor also but never really found an...
2001 Dodge Grand Caravan ES 3.3L steering VIN: 2B8GP44G61
I have this 01 Grand Caravan with a steering shudder when turning slowly. This happens sitting still or moving very slowly. I have performed TSB 19-004-03 involving a 33.5 inch hose at the cooler, and TSB 19-001-02 new resevoir. I also replaced the rack and us...
1967 Ford Mustang 289CID engine VIN: 8RO1C14145
Engine has a vibration at about 3000 Rpm, it feels like unbalaced motor. We changed flex plate with a new one and it looks identical to the old one and vibration was still there. We inspected vibration dampner it it does not appear loose or have turned on itse...
1995 Ford Explorer Eddie Bauer 4.0L 4x4 light VIN: 1FMDU34X8S
The owner states that while he is driving at highway speeds the 4x4 light will start flashing on the dash and he will hear a click underneath the dash and at the same time the power windows will not work. Once the light stops flashing the windows function norm...
1995 Ford Escort LX 1.9L No Start VIN: 1FASP15J9S
Hello everyone, This car was towed in from another shop.The only Thing I was told it died going down the road.Do not know shop It came from.Spark ok No Power to inertia switch Traced wire back to passive restraint module under driver seat.I am not Clear on al...
1996 Ford F-150 Eddie Bauer 5.0L No Start VIN: 1FTEX14NST
Got a puzzler today. When it feels like it this truck will not start, for a short period of time(longest period of time has been several minutes). It might start for several days in a row before there's a problem. When It fails to start, I am missing Spark and...
1997 Ford Ranger XL 3.0L dome lights
greetings everyone,customer brought in this little pick-up complaining of interior lights staying on. on this day we are busy and asked if he could bring it back in a couple of days. he agreed so i removed the dome fuse. looking at alldata there appears to be ...
1997 Ford Thunderbird LX 4.6L No Start VIN: 1FALP62WXV
the pcm fuse #15. I've unplugged all devices powered by that fuse according to mitchell wiring diagram. the only thing that stops the fuse from blowing when the key is turned on is the pcm itself. I've tried a new pcm, unpluging fuel pump, inertia switch, inje...
1997 Ford Ranger Splash 2.3L No Start VIN: 1FTCR10A0V
hey all. this little truck has some probs. the truck ran with a miss, had no compression on #3 cyl. and a stripped spark hole. but it ran. i replaced the pcm for an inop coil circut (primary). got it put all back together, now it wont start. the engine is floo...
1997 Ford E-150 Econoline 4.2L balance shaft VIN: 1FTEE1428V
my shop information systems says to remove balance shaft drive gear and balance shaft for the timing chain SET proceedure, why? the ford oe manuals and ford online show this but according to the pictures the timing chain and gears are on the outside of the bal...
1997 Ford E-350 Econoline 7.3L Excessive Emissions, Poor Idle Quality, Surge, Stall VIN: 1FDKE30F8V
Hello everyone! I could use some help if at all possible. This 7.3L came in for dying & trans slipping. I first put a reman trans in so I could at least drive it. I then starting checking out the stalling/hot, surge at all rpm's, &smoking (raw fuel). All icp p...
1998 Ford Windstar GL 3.8L ABS Brakes VIN: 2FMZA5147W
Hi All: I'm posting for a fellow employee who has a customer and or vehicle giving him fits. This Windstar came in several months ago for a brake noise. Front brakes were completely worn out requiring calipers, rotors, pads. This was done, along with cleaning ...
1998 Ford Expedition XLT 5.4L Misfire, Poor Fuel Economy VIN: 1FMPU18L9W
what i have is a car with miss fires. no codes found. have now idea if fuel or spark. cannot get ecm to set code. it misses so bad it will not hardly pull itself. can barely see let alone get to coils or injectors to test any thing with out taking apart enough...
1998 Ford Ranger Splash 2.5L steering colum VIN: 1FTYR10C3W
Here is a question for the Ford Techs. This Ranger has intermittent smoke from the steering colum. It happens every once in a while according to the driver. I got the truck late in the day and the first thing I noticed was smoke coming from the turn signal are...
2000 Ford Escort LX 2.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 3FAFP13P1Y
Hello, I need help on this car, I'm in my second day of diag.I have check The archives and found alot of PCV system leaks. I made sure this is not my problem on this engine. Also I see maf's are a real problem and made sure to eliminate it as a problem. This ... Trouble codes: P0171, P1506
2001 Ford Focus LX 2.0L Poor Idle Quality, Hesitation, NO POWER VIN: 1FAFPO1W14
car come into shop mil on with o2 at rich limit,went on test drive and had to turn around car had no power.acted like convertor stopped up.did back pressure test, ok. tested maf it was reading 7000 ft.140hz. we are at about 500 ft should be 158hz. i cleaned se...
2002 Ford Explorer Limited 4.6L flex plate VIN: 1FMDU75W72
truck came in with a ticking/knocking noise in all drive ranges and park and nuetral. noise is coming from tranmission bell housing area and sounds exactly like a cracked flex plate. noise seems to get louder as truck gets hotter and is more pronounced wiyh th...
2003 Ford Expedition Eddie Bauer 4.6L rotors VIN: 1FMRU17W23
OK. Neighbor's Truck. Got stuck out of town and had to have a caliper replaced (both), and the shop there put both rotors, new pads along with the calipers. Unknown brands. After that, car had a small, but aggrevating pulsation, mostly from say, 80mph to 65mph...
1992 Geo Metro 1.0L Poor Idle Quality, Hesitation, Surge VIN: 2C1MR6165N
Hi This Car has a severe lack of power and a slightly rough idle. The problem started immediately after a normal oil change service. The engine bogs with any throttle pressure ( anything more than very light acceleration). We have tested the primary/second...
2002 GMC Envoy SLE 4.2L Engine VIN: 1GKDT13572
This vehicle will stall at a stop light SOMETIMES! Only does it a couple of times a year. Sometimes it will start right up and others it won't. Let it sit and it will start up. Wondering if anyone has seen anything like this on this kind of vehicle. Also have ...
1998 Honda Accord LX 2.3L Hesitation, Misfire, MIL Lamp on, lack of power VIN: 1HGCG5640W
car was towed in,lack of power ses light on.Vehicle started and ran ok.ses light cylider positin sensor. ran tests checked out. had known good distributer swapped out no change SES light sets immediatly after resetting.PCM is receiving signal from sensor and t... Trouble codes: 1382 (cylinder position sensor)
1998 Honda Civic EX 1.6L hard to start cold VIN: 1HGEJ8175W
Cousins recently purchased car (against our wishes I might add) and it's a nightmare. Don't even like posting this but we have tried everywhere for parts and information with no sucess. We do not encounter these cars much at all and unfortunately, when purchas...
2001 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45DX1
HYUNDAI TECHS I have 2 differant vehicles giving me these strange codes. PO 081, u3118 & a CO300. Does anyone know if these are product codes, manufacturing codes ??? They will not clear/erase. I could'nt find any info in my shop key or scanner Thanks for the ... Trouble codes: P00, 081 (u3118-), U3118, C0300
2000 Jaguar S-Type 4.0L Misfire, MIL Lamp on VIN: SAJDA01D2Y
vehicle is an auction bought car.Misfire on cyl 4b is the code.I am going to assume that the back cyl on the drivers side is 4b.I have swapped coil plug and injector on that cyl with another in an attempt to move the miss.I have also tested compression and com... Trouble codes: P0304
1998 Jeep Grand Cherokee 5.9 Limited 5.9L MIL Lamp on VIN: 1J4GZ88Z7W
have had four faulty leak detection pumps. called identafix to make sure I was testing it right. I was told that the diaphram should hold a vacuum, I dont see any reason why it would be designed to bleed off, It would not make any sense. the first pump wouldn'...
1999 Jeep Grand Cherokee Laredo 4.7L Transfer Case VIN: 1J4GW48N51
After checking all the archives, and Mitchell, and All Data, I can find no information on the testing of the viscous (on this model it is actually clutch plates sealed inside a housing) differential clutch that splits the power between the front and rear axle ...
2001 Jeep Cherokee Sport 4.0L a/c VIN: 1J4FF48S51
auxillary fan inop with a/c request. head pressure reaches 400-450 psi. when engine reaches temp. fan will operate properly. remove high side switch and manuall close valve fan operates, but will not operate when installed. all wiring checks good. high side sw...
2002 Lexus RX300 3.0L MIL Lamp on VIN: JTJFG10U02
I am posting this because this one got us. After following mitchell test procedure, checking TSB's, and IATN information, we replaced the EVAP canister assembly. This did not fix the vehicle. The customer lives out of town and decided to call Lexus. They infor... Trouble codes: P0440 (evap system)
1988 Lincoln Mark VII LSC 5.0L front air bags VIN: E7JY720189
Help!...The vehicle came in with the left front air spring all the way down, tech determined bag was leaking and replaced it, the system will not inflate the bag, and now will not inflate the l/f side either (was up initially). We ran the diagnostic tests, and...
1999 Mazda Protege DX 1.6L Starting VIN: JM1BJ2222X
Hello, put on your thinking caps. the driver said that he was driving the car and it started to run rough. But still drove the car. Then it started stalling and bucking and then it would not start at all. When I got it, it did not start but it will try. When i...
1997 Mitsubishi Montero Sport XLS 3.0L Misfire, no spark #3&6 VIN: JA4MT41P2V
Hi Y'all! Here we go AGAIN. There is loss of spark on coil for cyl #3&6. If we swap coils the problem stays there. There is 12v to coil thru to the power transistor. I verified the cam and crank signals and jumped to the ECM. We replaced the ECM!!! Guess wha...
1999 Mitsubishi Galant ES 2.4L Poor Idle Quality, Hesitation VIN: 4A3AA46G6X
Greetings to all.This car has a very bad hesitation at times when you throotle into it.The customer had the engine cleaned and then oput the car away for two weeks which in that time the battery went dead so he had it towed to me.I put in anew battery but when...
1995 Nissan Quest GXE 3.0L calipers VIN: 4N2DN11W4S
first of all thank you for your time. ok.van came in with driver's front brakes making noise due to overheating condition.almost metal to metal. Recomended replament of calipers and hoses for both sides. after repairs were done, the left front drags and smokes...
2000 Nissan Pathfinder LE 3.3L Cuts out, Stall
this path finder has stalled twice in a four week period.will not restart right away, it takes about two min of trying ,then runs fine. now we have the vehicle and it won't act up . everything tests fine at this time and there are no codes.i was hoping to get ...
1998 Oldsmobile Intrigue GL 3.8L radiator fans VIN: 1G3WS52KXW
Hi thanks for any help, this olds radiator fans wont come on with or without the ac on, or unplugging the cooant temp sensor. we thought he pcm grounded the fan relay so after a relay didnt work we replaced the PCM and still nothing, we have power at the fuses...
2004 Oldsmobile Alero GX 2.2L All VIN: 1G3NK52F14
This vehicle has a slight vibration at idle in PND321. There is a heavy vibration in Reverse. Also when you turn all the accessories on and to the high positions, there is a vibration other than normal. The vehicle was in an accident 11,000 miles ago. At that ...
1996 Plymouth Neon 2.0L Misfire, MIL Lamp on VIN: 1P3ES47C45
After determining the PCM was defective, we replaced it and vehicle started. A scope of ignition system was done to verify secondary ignition, all checked out ok. Roadtest and scan data all normal.(using Snap-on MT2500)Vehicle left and returned 400 KM later wi... Trouble codes: P0351 (Ignition Coil 1 Primary Circuit when first came in and now), P1391 (Intermitent Loss of CMP or CKP only when first towed in)
2000 Pontiac Grand Prix GT 3.8L overheating VIN: 1G2WP52K9Y
This car runs about 245 to 255 degress whet ambient temp is above 80 degrees while in traffic, when in clean air temp comes back down. It seems to me that is a air flow problem, but when fans are running air is pulled with good force through the grill. Could t...
1999 Saab 9-5 2.3L No Start, MIL Lamp on VIN: YS3EF48X30
HELLO SAAB techs , i have a 9-5 that had a code 1610 so won't starts if does stalls is in limp home mode senor are at max values exmaple iat at -40 f ect 320 f well i clear code a couple times always the 1610 returns the other code com and go for various sens... Trouble codes: P1610
1996 Subaru Legacy GT 2.5L MIL Lamp on VIN: 4S3BK6758T
intermittant po400,egr modulator fills up with water,requiring replacement,have cleared metal lines of moisture,replaced valve and solenoid,what does the computer see to determine egr fault. Trouble codes: P0400

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 BMW 328i 2.8L automatic top VIN: WBABK8323V
Ok, after replacing the left locking mechanisms, which holds 2 micro switches in it, I still did not get a locked signal when top was actually locked. Traced wiring through soft top and found one broken lead in it on the most forward folding section. Repaired ...
2001 BMW 325Ci 2.5L MIL Lamp on VIN: WBABN3481J
Thank you for all for the fundamental lesson in evap. codes. The student was told what to do, and has not been back to class since. That some times is a good thing, it means the car is fixed and they don't need to come back. Again thank you all for your input ... Trouble codes: P0456.
1984 Buick Riviera 3.8L No Start
Ok so after all this pain and suffering I finally gave in and checked the timing chain and guess what? The cam gear had all the teeth stripped off of it. The thing that fooled me was the compression test I took being 150 around the board. I guess some times th...
1989 Buick Riviera Luxury 3.8L Cuts out VIN: 1G4EZ11CXK
Sorry about the long delay to close this post I did change the ecm and allis well thanks to all of you. Trouble codes: B0334, B0336.
1997 Buick Park Avenue 3.8L Blower motor VIN: 1G4CW52K5V
Well, it's fixed...Mike [...] and LilDog hit it right on the head with what was wrong and Mike was good enough to email me a wiring diagram that showed our mystery wire. Here's what happened: A mud wasp had plugged the drain on the AC evaporator causing it to f...
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Surge VIN: 1G1JC1246V
sure enough timing chain tensioner let loose, thanks guys and girls.
1998 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 2GCEC19R1W
G`DAY ALL ! This one is out the door thanks to all the fast and informative info. didn`t realize that these units were sooooooo! touchy on fuel pressure! the pump would come up to 60psi and on crank drop to 55/58 psi. install complete assm as the gauge wasn`...
1999 Chevrolet Metro LSi 1.3L engine oil VIN: 2C1MR2229X
thanks for all the replies. i took all your advice and told them just to get rid of it. the car has already been replaced by the time i am writing this. thanks again.
1999 Chevrolet Venture LS 3.4L Misfire VIN: 1GNDX03E2X
This vechile is fixed, it turned out to be 2 things, module clean mass air flow got rid of the missfire in scanner, mostly the problem was the torque convertor locking up. The problem was it showed missfire at the same time as torque convertor locked up, very ...
2001 Chevrolet Cavalier LS 2.4L 1-2 2-3 3-4 shift VIN: 1G1JF52T91
It's fixed!!! The customer failed to tell us this was an ex flood car. I did a boo boo and kinda' passed over the TPS reading. It was 0.98v at idle. A new TPS brought it down to 0.48v. Thanks for the help guys
1999 Chrysler Town & Country LX 3.8L No Start, Cuts out VIN: 1C4GP59LXW
Hello Guys Sorry for the delay in responding .. The car had been bought a few days before coming to me, and the customer told me the dealer would repair it. As far as I can tell you he told me they replace the PCM .. Its a tought way to find out when you wan...
2001 Chrysler PT Cruiser 2.4L Speedometer VIN: 3C4FY4BB21
First I want to say Thank you to Keith from Louisiana and Jim from Ontario for taking the time to respond to my request for help. I checked the connectors on the input and output sensors again paying extra attention to anything that could be related, I also ch...
2002 Chrysler Town & Country LXi 3.3L Instrument cluster VIN: 2C4GP44382
Customer is a insurance sells person, so he has been out of town for a while. But vehicle came in last week with a no start, & no crank. Checked battery cables & battery. There was the problem. Vehicle had been in the body shop one month ago, & they had unhook...
1991 Dodge Stealth R/T 3.0L Misfire VIN: JB3XD64B0M
I want to first thank the 9 replies individually for their time in helping me. THANKYOU; Ripal from Southern California, Steven from Washington, Barry from Florida, Bill from S. Carolina, James from Michigan, David from Arkansas, Robert from Washington and Joh...
1993 Dodge Intrepid 3.5L No Start VIN: 2B3ED56F09
The replies were split between a bad crank sensor or the cam belt timing off. We decided to start by checking the cam timing and it was off one tooth on the left bank and this FIXED the car. This is the same side with the cam sensor in it. It requires special ...
1997 Dodge Avenger ES 2.5L Poor Idle Quality, Surge, Stall VIN: 4B3AU52N5V
Thanks to all that replied, you made quick work out of this one. I applied vacuum to egr valve with hand held pump and idle quality did not change with vacuum applied. Next we removed egr valve and found carb cleaner sprayed in pintle hole blew straght through...
1999 Dodge Intrepid ES 3.2L Starting VIN: 2B3HD56J6X
Will this is a new one for me, since I'm old school. Called a buddy at a Chry dealer and found out that this car has SKIM. After talking to the customer, I found out key we had was aftermarket. The SKIM mod shuts down the start circuit if the wrong key is used...
1984 Ford F-150 XL 5.0L drive shaft VIN: 1FTCF15F8E
First I want to start off by thanking Michael [...] for taking time out of their busy schedules to help me on this. I went...
1990 Ford Ranger S 2.9L Oil pan VIN: 1FTCR10T6L
Four replies suggested the debris was from a deteriorating timing chain tensioner. The tone of these replies was fairly confident. This is the repair I've recommended to the customer. She plans to do it later when it fits the budget. Four suggested it was fr...
1993 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Misfire VIN: 1FMDU32X5P
I know the pcm is the problem. The customer has to wait until next month to buy the pcm.. thank you to everybody for taking your time and helping me.. Bill
1996 Ford Contour GL 2.0L No Start VIN: 3FALP6537T
good morning all i thought i had closed this the same day i requested the help, but obviously i was wrong. thanks to all who responded. after checking all harness and connections to and from the fuse boxes under the hood and in the interior i found all circuit...
1997 Ford Explorer Eddie Bauer 4.0L fuel pump circuit VIN: 1FMDU34E6V
This intermittent short was one of the hardest to find. We checked each section of wire from fuse to pump, from fuse to PCM for shorts to ground, but none were found. We tested with amp clamp the current draws and drop tested the fuel pump and inertia switch b...
2001 Ford F-350 Super Duty Lariat 5.4L Misfire VIN: 1FTSW31L11
It's like the old saying,if you want it done right do it your self,the tech that first checked this was pulling the wire on the wrong coil pack,thats why when it was traced it had no reading,i took the harness apart and found a wire rubbed through on the shock...
1999 GMC K1500 Suburban SLE 5.7L Misfire VIN: 3GKFK16R3X
Thanks to all who responded to my desperate cry for help on this problem.I recieved a surprising 22 suggestions from which I methodically read and thought about each and every one. It amazed me to realize that there really is loads of technical experience out ... Trouble codes: 0307 (7 cylinder misfire), 0300 (random/multiple cylinder misfire).
1994 Jaguar XJ12 6.0L No Start VIN: SAJMX1343R
Thanks guy's for the helpful replies. I learned from Robert [...], that fuel pump #2 does not get power until after 3500 rpm.With this imformation,I ascertained that the main fuel pump,though it was running,was not producing pressure. When I took it apart,I fo...
1995 Jeep Grand Cherokee Laredo 4.0L Cuts out VIN: 1J4GZ58S0S
most of the replies were on fuel pressure,but we couldn't go there.didn't think to much pressure would cause this.what we did was check all wiring and connectors and test drove,still no fix. we then pulled the crank sensor for inspection,found no visable probl...
2003 Lincoln Navigator 5.4L fuel guage VIN: 5LMFU28R33
Thanks so much to all that responded. Dan, Nick,Eric. owner is goint to take her car to the dealer for warrenty repair. I sure wanted to check it for my self for future use. had a feeling that there was a bad spot in the sending unit, will call the dealer and ...
1986 Mazda 626 LX 2.0L battery light VIN: JM1GC3114G
Thanks to all who respondend. After verifying all other components were operating properly, inlcuding idle, air leaks etc, charging relay etc. I decided to send alternator out to have inspected and as you would have it there was a faulty diode. Replaced altern...
2000 Mazda Protege DX 1.6L Stall, MIL Lamp on VIN: XXXBXXX2XY
Thanks for the help guys! I did get the VCTS valve and solenoid working when I replaced the PCM. According to Alldata it opens during warm-up under 86f at 1500 rpm. Was not working at all before. I found the Baro/Egr sensor vaccum source plugged, and cleaned v... Trouble codes: P1512 (VTAS stuck closed), P0172 (testing and results).
1991 Mercedes-Benz 500SL 5.0L no upshift VIN: FA66E3MF03
thanks a bunch guys , we fixed this one, the the system that was my problem was the cold shift delay system, my kick down switch under the throttle pedal that feeds the one wire soliniod on the right rear of the unit was fine. the one wire soiliniod on the lef...
1992 Mitsubishi Eclipse GS 2.0L Cuts out, Stall VIN: 4A3CS44RSN
The Z Doctor said the Computer had pretty much self destructed on its own and was not nessecary to check other circuits.Computer fixed the car.Thanks guys. Trouble codes: 13 (iat error New Mass Air Meter Took Care Of This Code), 42 (Fuel Pump Circuit).
2000 Mitsubishi Mirage DE 1.5L chime VIN: JA3AY11A1Y
most all said door switches are a common problem,we have not gotten the car back to repair,i will let you know when we get it repaired,thanks for the help
1986 Nissan 300ZX 2+2 3.0L radio VIN: JN1HZ14S6G
I ran voltage tests on all wires at the main radio connecter and found no positive or negative voltage at four wires. I had good ground and positive voltage at other wires on this connecter. I applied positive voltage to any of the four wires and everything wo...
2002 Nissan Sentra CA 1.8L ac compressor VIN: 3N1CB51D62
come to find we had two problems no ground from pcm also bad control head switch
1990 Other European lm002 5.5L Excessive Emissions, Misfire VIN: ZA9LU45A0L
Well it's not really fixed, but i did get the firing order correct from brian at eurocars. The firing order was incorect and did help a little, still trying to get more info. the firing order is 1-7-5-11-3-9-6-12-2-8-4-10.
1991 Other European 348ts 3.4L Stall, MIL Lamp on VIN: ZFFRG36AOM
We replaced the oxygen sensor for banks 1-4 cleaned mass air flow sensors and throttle plates.Two weeks later..no complaints. Thanks group, your help fixed this one.
1982 Other GM Motor Home 454CID HVAC Blower Motor VIN: 1GBJP37W2C
Well, I got some good info on how to get to this motor. Bruce [...] mentioned the resistor, which due to circumstances was not verified. One person s...
1999 Pontiac Grand Am SE 2.4L Security VIN: 1G2NE12T6X
I didn't fix this vehicle.2 replies said to be sure to clear codes first. I had done that.My scanner would not read BCM codes so I couldn't check that part.One said computer needed to be reprogrammed. Told customer they would probably need to go to dealer. I h...
1999 Porsche 911 Carrera 3.4L Surge, MIL Lamp on VIN: WP0AA299XX
We have this one fixed. In addition to the solenoid for the cam accuator being bad the driver was also bad. Thanks to Steve for keeping my head on and to check the signal. You can test to see if the solenoid has a signal by just using a test light and raising ...
1999 Saab 9-5 SE 3.0L Poor Idle Quality, Surge, Cuts out VIN: YS3EF48Z3X
Thanks to Alex, Noel & Mark for the input on this one. We rechecked all the basics, and kept coming back to the throttle housing. Upon calling the local dealer, we found out that they had NEVER had one of these in stock, or ever sold one to anyone!!! The close...
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